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## v0.9.17 (ODBC)

Browse Source 
- 增加 FreeSql.Provider.Odbc，实现 Oracle/SqlServer/MySql 的 Odbc 访问提供；
- 增加 FreeSqlBuilder.UseConnectionString 参数 providerType，可解决因包版本冲突时，可能无法反射获得 FreeSql.Provider 对应的类型，通常这个参数不需要设置；
- 优化 MaxLength 特性，当指定为 -1 时 DbType 会分别映射类型 text/nvarchar(max)/nvarchar2(4000)；
This commit is contained in:
28810
2019-09-19 23:14:30 +08:00
parent 8d92ccd751
commit f434418b2c
123 changed files with 31796 additions and 112 deletions
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30
Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.9.17</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql 数据库 Odbc 实现，基于 {Oracle}、{SQL Server}、{MySQL ODBC 8.0 Unicode Driver}</Description>
<PackageProjectUrl>https://github.com/2881099/FreeSql</PackageProjectUrl>
<RepositoryUrl>https://github.com/2881099/FreeSql</RepositoryUrl>
<RepositoryType>git</RepositoryType>
<PackageLicenseExpression>MIT</PackageLicenseExpression>
<PackageTags>FreeSql;ORM</PackageTags>
<PackageId>$(AssemblyName)</PackageId>
<PackageIconUrl>https://github.com/2881099/FreeSql/blob/master/logo.png?raw=true</PackageIconUrl>
<Title>$(AssemblyName)</Title>
<IsPackable>true</IsPackable>
<GenerateAssemblyInfo>true</GenerateAssemblyInfo>
</PropertyGroup>
<ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
<PackageReference Include="System.Data.Odbc" Version="4.5.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\FreeSql\FreeSql.csproj" />
</ItemGroup>
</Project>

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Providers/FreeSql.Provider.Odbc/FreeSqlOdbcGlobalExtensions.cs Normal file
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public static partial class FreeSqlOdbcGlobalExtensions
{
/// <summary>
/// 特殊处理类似 string.Format 的使用方法，防止注入，以及 IS NULL 转换
/// </summary>
/// <param name="that"></param>
/// <param name="args"></param>
/// <returns></returns>
public static string FormatOdbcOracle(this string that, params object[] args) => _odbcOracleAdo.Addslashes(that, args);
static FreeSql.Odbc.Oracle.OdbcOracleAdo _odbcOracleAdo = new FreeSql.Odbc.Oracle.OdbcOracleAdo();
/// <summary>
/// 特殊处理类似 string.Format 的使用方法，防止注入，以及 IS NULL 转换
/// </summary>
/// <param name="that"></param>
/// <param name="args"></param>
/// <returns></returns>
public static string FormatOdbcSqlServer(this string that, params object[] args) => _sqlserverAdo.Addslashes(that, args);
static FreeSql.Odbc.SqlServer.OdbcSqlServerAdo _sqlserverAdo = new FreeSql.Odbc.SqlServer.OdbcSqlServerAdo();
/// <summary>
/// 特殊处理类似 string.Format 的使用方法，防止注入，以及 IS NULL 转换
/// </summary>
/// <param name="that"></param>
/// <param name="args"></param>
/// <returns></returns>
public static string FormatOdbcMySql(this string that, params object[] args) => _mysqlAdo.Addslashes(that, args);
static FreeSql.Odbc.MySql.OdbcMySqlAdo _mysqlAdo = new FreeSql.Odbc.MySql.OdbcMySqlAdo();
}

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Providers/FreeSql.Provider.Odbc/MySql/Curd/OdbcMySqlDelete.cs Normal file
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using FreeSql.Internal;
using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlDelete<T1> : Internal.CommonProvider.DeleteProvider<T1> where T1 : class
{
public OdbcMySqlDelete(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
: base(orm, commonUtils, commonExpression, dywhere)
{
}
public override List<T1> ExecuteDeleted()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(sql).Append(" RETURNING ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
sql = sb.ToString();
var dbParms = _params.ToArray();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Delete, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
this.ClearData();
return ret;
}
async public override Task<List<T1>> ExecuteDeletedAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(sql).Append(" RETURNING ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
sql = sb.ToString();
var dbParms = _params.ToArray();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Delete, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
this.ClearData();
return ret;
}
}
}

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Providers/FreeSql.Provider.Odbc/MySql/Curd/OdbcMySqlInsert.cs Normal file
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using FreeSql.Internal;
using SafeObjectPool;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlInsert<T1> : Internal.CommonProvider.InsertProvider<T1> where T1 : class
{
public OdbcMySqlInsert(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
: base(orm, commonUtils, commonExpression)
{
}
public override int ExecuteAffrows() => base.SplitExecuteAffrows(5000, 3000);
public override Task<int> ExecuteAffrowsAsync() => base.SplitExecuteAffrowsAsync(5000, 3000);
public override long ExecuteIdentity() => base.SplitExecuteIdentity(5000, 3000);
public override Task<long> ExecuteIdentityAsync() => base.SplitExecuteIdentityAsync(5000, 3000);
public override List<T1> ExecuteInserted() => base.SplitExecuteInserted(5000, 3000);
public override Task<List<T1>> ExecuteInsertedAsync() => base.SplitExecuteInsertedAsync(5000, 3000);
protected override long RawExecuteIdentity()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return 0;
Object<DbConnection> poolConn = null;
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, string.Concat(sql, "; SELECT LAST_INSERT_ID();"), _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
long ret = 0;
Exception exception = null;
try
{
var conn = _connection;
if (_transaction != null) conn = _transaction.Connection;
if (conn == null)
{
poolConn = _orm.Ado.MasterPool.Get();
conn = poolConn.Value;
}
_orm.Ado.ExecuteNonQuery(conn, _transaction, CommandType.Text, sql, _params);
ret = long.TryParse(string.Concat(_orm.Ado.ExecuteScalar(conn, _transaction, CommandType.Text, "SELECT LAST_INSERT_ID()")), out var trylng) ? trylng : 0;
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
if (poolConn != null)
_orm.Ado.MasterPool.Return(poolConn);
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
async protected override Task<long> RawExecuteIdentityAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return 0;
Object<DbConnection> poolConn = null;
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, string.Concat(sql, "; SELECT LAST_INSERT_ID();"), _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
long ret = 0;
Exception exception = null;
try
{
var conn = _connection;
if (_transaction != null) conn = _transaction.Connection;
if (conn == null)
{
poolConn = _orm.Ado.MasterPool.Get();
conn = poolConn.Value;
}
await _orm.Ado.ExecuteNonQueryAsync(conn, _transaction, CommandType.Text, sql, _params);
ret = long.TryParse(string.Concat(await _orm.Ado.ExecuteScalarAsync(conn, _transaction, CommandType.Text, "SELECT LAST_INSERT_ID()")), out var trylng) ? trylng : 0;
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
if (poolConn != null)
_orm.Ado.MasterPool.Return(poolConn);
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
protected override List<T1> RawExecuteInserted()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(sql).Append(" RETURNING ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
sql = sb.ToString();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sql, _params);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
async protected override Task<List<T1>> RawExecuteInsertedAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(sql).Append(" RETURNING ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
sql = sb.ToString();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sql, _params);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
}
}

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Providers/FreeSql.Provider.Odbc/MySql/Curd/OdbcMySqlSelect.cs Normal file
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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlSelect<T1> : FreeSql.Internal.CommonProvider.Select1Provider<T1> where T1 : class
{
internal static string ToSqlStatic(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
{
if (_orm.CodeFirst.IsAutoSyncStructure)
_orm.CodeFirst.SyncStructure(_tables.Select(a => a.Table.Type).ToArray());
if (_whereCascadeExpression.Any())
foreach (var tb in _tables.Where(a => a.Type != SelectTableInfoType.Parent))
tb.Cascade = _commonExpression.GetWhereCascadeSql(tb, _whereCascadeExpression);
var sb = new StringBuilder();
var tbUnionsGt0 = tbUnions.Count > 1;
for (var tbUnionsIdx = 0; tbUnionsIdx < tbUnions.Count; tbUnionsIdx++)
{
if (tbUnionsIdx > 0) sb.Append(" \r\n\r\nUNION ALL\r\n\r\n");
if (tbUnionsGt0) sb.Append("select * from (");
var tbUnion = tbUnions[tbUnionsIdx];
var sbnav = new StringBuilder();
sb.Append(_select);
if (_distinct) sb.Append("DISTINCT ");
sb.Append(field).Append(" \r\nFROM ");
var tbsjoin = _tables.Where(a => a.Type != SelectTableInfoType.From).ToArray();
var tbsfrom = _tables.Where(a => a.Type == SelectTableInfoType.From).ToArray();
for (var a = 0; a < tbsfrom.Length; a++)
{
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[a].Table.Type])).Append(" ").Append(tbsfrom[a].Alias);
if (tbsjoin.Length > 0)
{
//如果存在 join 查询，则处理 from t1, t2 改为 from t1 inner join t2 on 1 = 1
for (var b = 1; b < tbsfrom.Length; b++)
{
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[b].Table.Type])).Append(" ").Append(tbsfrom[b].Alias);
if (string.IsNullOrEmpty(tbsfrom[b].NavigateCondition) && string.IsNullOrEmpty(tbsfrom[b].On) && string.IsNullOrEmpty(tbsfrom[b].Cascade)) sb.Append(" ON 1 = 1");
else
{
sb.Append(" ON ").Append(tbsfrom[b].NavigateCondition ?? tbsfrom[b].On);
if (string.IsNullOrEmpty(tbsfrom[b].Cascade) == false) sb.Append(" AND (").Append(tbsfrom[b].Cascade).Append(")");
}
}
break;
}
else
{
if (!string.IsNullOrEmpty(tbsfrom[a].NavigateCondition)) sbnav.Append(" AND (").Append(tbsfrom[a].NavigateCondition).Append(")");
if (!string.IsNullOrEmpty(tbsfrom[a].On)) sbnav.Append(" AND (").Append(tbsfrom[a].On).Append(")");
if (a > 0 && !string.IsNullOrEmpty(tbsfrom[a].Cascade)) sbnav.Append(" AND (").Append(tbsfrom[a].Cascade).Append(")");
}
if (a < tbsfrom.Length - 1) sb.Append(", ");
}
foreach (var tb in tbsjoin)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
switch (tb.Type)
{
case SelectTableInfoType.LeftJoin:
sb.Append(" \r\nLEFT JOIN ");
break;
case SelectTableInfoType.InnerJoin:
sb.Append(" \r\nINNER JOIN ");
break;
case SelectTableInfoType.RightJoin:
sb.Append(" \r\nRIGHT JOIN ");
break;
}
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tb.Table.Type])).Append(" ").Append(tb.Alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
if (!string.IsNullOrEmpty(tb.Cascade)) sb.Append(" AND (").Append(tb.Cascade).Append(")");
if (!string.IsNullOrEmpty(tb.On) && !string.IsNullOrEmpty(tb.NavigateCondition)) sbnav.Append(" AND (").Append(tb.NavigateCondition).Append(")");
}
if (_join.Length > 0) sb.Append(_join);
sbnav.Append(_where);
if (!string.IsNullOrEmpty(_tables[0].Cascade))
sbnav.Append(" AND (").Append(_tables[0].Cascade).Append(")");
foreach (var tb in _tables)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
if (string.IsNullOrEmpty(tb.Table.SelectFilter) == false)
sbnav.Append(" AND (").Append(tb.Table.SelectFilter.Replace("a.", $"{tb.Alias}.")).Append(")");
}
if (sbnav.Length > 0)
{
sb.Append(" \r\nWHERE ").Append(sbnav.Remove(0, 5));
}
if (string.IsNullOrEmpty(_groupby) == false)
{
sb.Append(_groupby);
if (string.IsNullOrEmpty(_having) == false)
sb.Append(" \r\nHAVING ").Append(_having.Substring(5));
}
sb.Append(_orderby);
if (_skip > 0 || _limit > 0)
sb.Append(" \r\nlimit ").Append(Math.Max(0, _skip)).Append(",").Append(_limit > 0 ? _limit : -1);
sbnav.Clear();
if (tbUnionsGt0) sb.Append(") ftb");
}
return sb.ToString();
}
public OdbcMySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override ISelect<T1, T2> From<T2>(Expression<Func<ISelectFromExpression<T1>, T2, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3> From<T2, T3>(Expression<Func<ISelectFromExpression<T1>, T2, T3, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2, T3>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4> From<T2, T3, T4>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2, T3, T4>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5> From<T2, T3, T4, T5>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2, T3, T4, T5>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6> From<T2, T3, T4, T5, T6>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2, T3, T4, T5, T6>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7> From<T2, T3, T4, T5, T6, T7>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2, T3, T4, T5, T6, T7>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8> From<T2, T3, T4, T5, T6, T7, T8>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2, T3, T4, T5, T6, T7, T8>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> From<T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> From<T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new MySqlSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(_orm, _commonUtils, _commonExpression, null); OdbcMySqlSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override string ToSql(string field = null) => ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2> : FreeSql.Internal.CommonProvider.Select2Provider<T1, T2> where T1 : class where T2 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2, T3> : FreeSql.Internal.CommonProvider.Select3Provider<T1, T2, T3> where T1 : class where T2 : class where T3 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2, T3, T4> : FreeSql.Internal.CommonProvider.Select4Provider<T1, T2, T3, T4> where T1 : class where T2 : class where T3 : class where T4 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2, T3, T4, T5> : FreeSql.Internal.CommonProvider.Select5Provider<T1, T2, T3, T4, T5> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2, T3, T4, T5, T6> : FreeSql.Internal.CommonProvider.Select6Provider<T1, T2, T3, T4, T5, T6> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2, T3, T4, T5, T6, T7> : FreeSql.Internal.CommonProvider.Select7Provider<T1, T2, T3, T4, T5, T6, T7> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2, T3, T4, T5, T6, T7, T8> : FreeSql.Internal.CommonProvider.Select8Provider<T1, T2, T3, T4, T5, T6, T7, T8> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> : FreeSql.Internal.CommonProvider.Select9Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class MySqlSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> : FreeSql.Internal.CommonProvider.Select10Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class
{
public MySqlSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcMySqlSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
}

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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlUpdate<T1> : Internal.CommonProvider.UpdateProvider<T1> where T1 : class
{
public OdbcMySqlUpdate(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
: base(orm, commonUtils, commonExpression, dywhere)
{
}
public override int ExecuteAffrows() => base.SplitExecuteAffrows(500, 3000);
public override Task<int> ExecuteAffrowsAsync() => base.SplitExecuteAffrowsAsync(500, 3000);
public override List<T1> ExecuteUpdated() => base.SplitExecuteUpdated(500, 3000);
public override Task<List<T1>> ExecuteUpdatedAsync() => base.SplitExecuteUpdatedAsync(500, 3000);
protected override List<T1> RawExecuteUpdated()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(sql).Append(" RETURNING ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
sql = sb.ToString();
var dbParms = _params.Concat(_paramsSource).ToArray();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Update, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
ValidateVersionAndThrow(ret.Count);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
async protected override Task<List<T1>> RawExecuteUpdatedAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(sql).Append(" RETURNING ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
sql = sb.ToString();
var dbParms = _params.Concat(_paramsSource).ToArray();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Update, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
ValidateVersionAndThrow(ret.Count);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys)
{
if (_table.Primarys.Length == 1)
{
caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
return;
}
caseWhen.Append("CONCAT(");
var pkidx = 0;
foreach (var pk in _table.Primarys)
{
if (pkidx > 0) caseWhen.Append(", ");
caseWhen.Append(_commonUtils.QuoteReadColumn(pk.Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
++pkidx;
}
caseWhen.Append(")");
}
protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d)
{
if (_table.Primarys.Length == 1)
{
sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
return;
}
sb.Append("CONCAT(");
var pkidx = 0;
foreach (var pk in _table.Primarys)
{
if (pkidx > 0) sb.Append(", ");
sb.Append(_commonUtils.FormatSql("{0}", pk.GetMapValue(d)));
++pkidx;
}
sb.Append(")");
}
}
}

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using FreeSql.Internal;
using SafeObjectPool;
using System;
using System.Collections;
using System.Data.Common;
using System.Data.Odbc;
using System.Text;
using System.Threading;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlAdo : FreeSql.Internal.CommonProvider.AdoProvider
{
public OdbcMySqlAdo() : base(DataType.MySql) { }
public OdbcMySqlAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings) : base(DataType.MySql)
{
base._util = util;
if (!string.IsNullOrEmpty(masterConnectionString))
MasterPool = new OdbcMySqlConnectionPool("主库", masterConnectionString, null, null);
if (slaveConnectionStrings != null)
{
foreach (var slaveConnectionString in slaveConnectionStrings)
{
var slavePool = new OdbcMySqlConnectionPool($"从库{SlavePools.Count + 1}", slaveConnectionString, () => Interlocked.Decrement(ref slaveUnavailables), () => Interlocked.Increment(ref slaveUnavailables));
SlavePools.Add(slavePool);
}
}
}
static DateTime dt1970 = new DateTime(1970, 1, 1);
public override object AddslashesProcessParam(object param, Type mapType)
{
if (param == null) return "NULL";
if (mapType != null && mapType != param.GetType())
param = Utils.GetDataReaderValue(mapType, param);
if (param is bool || param is bool?)
return (bool)param ? 1 : 0;
else if (param is string || param is char)
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
else if (param is Enum)
return string.Concat("'", param.ToString().Replace("'", "''"), "'"); //((Enum)val).ToInt64();
else if (decimal.TryParse(string.Concat(param), out var trydec))
return param;
else if (param is DateTime || param is DateTime?)
return string.Concat("'", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss.fff"), "'");
else if (param is TimeSpan || param is TimeSpan?)
return ((TimeSpan)param).Ticks / 10;
else if (param is IEnumerable)
{
var sb = new StringBuilder();
var ie = param as IEnumerable;
foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
}
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
}
protected override DbCommand CreateCommand()
{
return new OdbcCommand();
}
protected override void ReturnConnection(ObjectPool<DbConnection> pool, Object<DbConnection> conn, Exception ex)
{
(pool as OdbcMySqlConnectionPool).Return(conn, ex);
}
protected override DbParameter[] GetDbParamtersByObject(string sql, object obj) => _util.GetDbParamtersByObject(sql, obj);
}
}

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Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlConnectionPool.cs Normal file
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using SafeObjectPool;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Data.Odbc;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlConnectionPool : ObjectPool<DbConnection>
{
internal Action availableHandler;
internal Action unavailableHandler;
public OdbcMySqlConnectionPool(string name, string connectionString, Action availableHandler, Action unavailableHandler) : base(null)
{
var policy = new OdbcMySqlConnectionPoolPolicy
{
_pool = this,
Name = name
};
this.Policy = policy;
policy.ConnectionString = connectionString;
this.availableHandler = availableHandler;
this.unavailableHandler = unavailableHandler;
}
public void Return(Object<DbConnection> obj, Exception exception, bool isRecreate = false)
{
if (exception != null && exception is OdbcException)
{
try { if (obj.Value.Ping() == false) obj.Value.Open(); } catch { base.SetUnavailable(exception); }
}
base.Return(obj, isRecreate);
}
}
class OdbcMySqlConnectionPoolPolicy : IPolicy<DbConnection>
{
internal OdbcMySqlConnectionPool _pool;
public string Name { get; set; } = "MySql OdbcConnection 对象池";
public int PoolSize { get; set; } = 100;
public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
public int AsyncGetCapacity { get; set; } = 10000;
public bool IsThrowGetTimeoutException { get; set; } = true;
public int CheckAvailableInterval { get; set; } = 5;
static ConcurrentDictionary<string, int> dicConnStrIncr = new ConcurrentDictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
private string _connectionString;
public string ConnectionString
{
get => _connectionString;
set
{
_connectionString = value ?? "";
var pattern = @"Max\s*pool\s*size\s*=\s*(\d+)";
var m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success == false || int.TryParse(m.Groups[1].Value, out var poolsize) == false || poolsize <= 0) poolsize = 100;
var connStrIncr = dicConnStrIncr.AddOrUpdate(_connectionString, 1, (oldkey, oldval) => oldval + 1);
PoolSize = poolsize + connStrIncr;
_connectionString = m.Success ?
Regex.Replace(_connectionString, pattern, $"Max pool size={PoolSize}", RegexOptions.IgnoreCase) :
$"{_connectionString};Max pool size={PoolSize}";
pattern = @"Connection\s*LifeTime\s*=\s*(\d+)";
m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success)
{
IdleTimeout = TimeSpan.FromSeconds(int.Parse(m.Groups[1].Value));
_connectionString = Regex.Replace(_connectionString, pattern, "", RegexOptions.IgnoreCase);
}
var minPoolSize = 0;
pattern = @"Min\s*pool\s*size\s*=\s*(\d+)";
m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success)
{
minPoolSize = int.Parse(m.Groups[1].Value);
_connectionString = Regex.Replace(_connectionString, pattern, "", RegexOptions.IgnoreCase);
}
FreeSql.Internal.CommonUtils.PrevReheatConnectionPool(_pool, minPoolSize);
}
}
public bool OnCheckAvailable(Object<DbConnection> obj)
{
if (obj.Value.State == ConnectionState.Closed) obj.Value.Open();
return obj.Value.Ping(true);
}
public DbConnection OnCreate()
{
var conn = new OdbcConnection(_connectionString);
return conn;
}
public void OnDestroy(DbConnection obj)
{
if (obj.State != ConnectionState.Closed) obj.Close();
obj.Dispose();
}
public void OnGet(Object<DbConnection> obj)
{
if (_pool.IsAvailable)
{
if (obj.Value == null)
{
if (_pool.SetUnavailable(new Exception("连接字符串错误")) == true)
throw new Exception($"【{this.Name}】连接字符串错误，请检查。");
return;
}
if (obj.Value.State != ConnectionState.Open || DateTime.Now.Subtract(obj.LastReturnTime).TotalSeconds > 60 && obj.Value.Ping() == false)
{
try
{
obj.Value.Open();
}
catch (Exception ex)
{
if (_pool.SetUnavailable(ex) == true)
throw new Exception($"【{this.Name}】状态不可用，等待后台检查程序恢复方可使用。{ex.Message}");
}
}
}
}
async public Task OnGetAsync(Object<DbConnection> obj)
{
if (_pool.IsAvailable)
{
if (obj.Value == null)
{
if (_pool.SetUnavailable(new Exception("连接字符串错误")) == true)
throw new Exception($"【{this.Name}】连接字符串错误，请检查。");
return;
}
if (obj.Value.State != ConnectionState.Open || DateTime.Now.Subtract(obj.LastReturnTime).TotalSeconds > 60 && (await obj.Value.PingAsync()) == false)
{
try
{
await obj.Value.OpenAsync();
}
catch (Exception ex)
{
if (_pool.SetUnavailable(ex) == true)
throw new Exception($"【{this.Name}】状态不可用，等待后台检查程序恢复方可使用。{ex.Message}");
}
}
}
}
public void OnGetTimeout()
{
}
public void OnReturn(Object<DbConnection> obj)
{
}
public void OnAvailable()
{
_pool.availableHandler?.Invoke();
}
public void OnUnavailable()
{
_pool.unavailableHandler?.Invoke();
}
}
static class DbConnectionExtensions
{
static DbCommand PingCommand(DbConnection conn)
{
var cmd = conn.CreateCommand();
cmd.CommandTimeout = 5;
cmd.CommandText = "select 1";
return cmd;
}
public static bool Ping(this DbConnection that, bool isThrow = false)
{
try
{
PingCommand(that).ExecuteNonQuery();
return true;
}
catch
{
if (that.State != ConnectionState.Closed) try { that.Close(); } catch { }
if (isThrow) throw;
return false;
}
}
async public static Task<bool> PingAsync(this DbConnection that, bool isThrow = false)
{
try
{
await PingCommand(that).ExecuteNonQueryAsync();
return true;
}
catch
{
if (that.State != ConnectionState.Closed) try { that.Close(); } catch { }
if (isThrow) throw;
return false;
}
}
}
}

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using FreeSql.DataAnnotations;
using FreeSql.DatabaseModel;
using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Data.Odbc;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlCodeFirst : Internal.CommonProvider.CodeFirstProvider
{
public override bool IsNoneCommandParameter { get => true; set => base.IsNoneCommandParameter = true; }
public OdbcMySqlCodeFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression) : base(orm, commonUtils, commonExpression) { }
static object _dicCsToDbLock = new object();
static Dictionary<string, (OdbcType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)> _dicCsToDb = new Dictionary<string, (OdbcType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)>() {
{ typeof(bool).FullName, (OdbcType.Bit, "bit","bit(1) NOT NULL", null, false, false) },{ typeof(bool?).FullName, (OdbcType.Bit, "bit","bit(1)", null, true, null) },
{ typeof(sbyte).FullName, (OdbcType.SmallInt, "tinyint", "tinyint(3) NOT NULL", false, false, 0) },{ typeof(sbyte?).FullName, (OdbcType.SmallInt, "tinyint", "tinyint(3)", false, true, null) },
{ typeof(short).FullName, (OdbcType.SmallInt, "smallint","smallint(6) NOT NULL", false, false, 0) },{ typeof(short?).FullName, (OdbcType.SmallInt, "smallint", "smallint(6)", false, true, null) },
{ typeof(int).FullName, (OdbcType.Int, "int", "int(11) NOT NULL", false, false, 0) },{ typeof(int?).FullName, (OdbcType.Int, "int", "int(11)", false, true, null) },
{ typeof(long).FullName, (OdbcType.BigInt, "bigint","bigint(20) NOT NULL", false, false, 0) },{ typeof(long?).FullName, (OdbcType.BigInt, "bigint","bigint(20)", false, true, null) },
{ typeof(byte).FullName, (OdbcType.TinyInt, "tinyint","tinyint(3) unsigned NOT NULL", true, false, 0) },{ typeof(byte?).FullName, (OdbcType.TinyInt, "tinyint","tinyint(3) unsigned", true, true, null) },
{ typeof(ushort).FullName, (OdbcType.Int, "smallint","smallint(5) unsigned NOT NULL", true, false, 0) },{ typeof(ushort?).FullName, (OdbcType.Int, "smallint", "smallint(5) unsigned", true, true, null) },
{ typeof(uint).FullName, (OdbcType.BigInt, "int", "int(10) unsigned NOT NULL", true, false, 0) },{ typeof(uint?).FullName, (OdbcType.BigInt, "int", "int(10) unsigned", true, true, null) },
{ typeof(ulong).FullName, (OdbcType.Decimal, "bigint", "bigint(20) unsigned NOT NULL", true, false, 0) },{ typeof(ulong?).FullName, (OdbcType.Decimal, "bigint", "bigint(20) unsigned", true, true, null) },
{ typeof(double).FullName, (OdbcType.Double, "double", "double NOT NULL", false, false, 0) },{ typeof(double?).FullName, (OdbcType.Double, "double", "double", false, true, null) },
{ typeof(float).FullName, (OdbcType.Real, "float","float NOT NULL", false, false, 0) },{ typeof(float?).FullName, (OdbcType.Real, "float","float", false, true, null) },
{ typeof(decimal).FullName, (OdbcType.Decimal, "decimal", "decimal(10,2) NOT NULL", false, false, 0) },{ typeof(decimal?).FullName, (OdbcType.Decimal, "decimal", "decimal(10,2)", false, true, null) },
{ typeof(TimeSpan).FullName, (OdbcType.Time, "time","time NOT NULL", false, false, 0) },{ typeof(TimeSpan?).FullName, (OdbcType.Time, "time", "time",false, true, null) },
{ typeof(DateTime).FullName, (OdbcType.DateTime, "datetime(3)", "datetime(3) NOT NULL", false, false, new DateTime(1970,1,1)) },{ typeof(DateTime?).FullName, (OdbcType.DateTime, "datetime(3)", "datetime(3)", false, true, null) },
{ typeof(byte[]).FullName, (OdbcType.VarBinary, "varbinary", "varbinary(255)", false, null, new byte[0]) },
{ typeof(string).FullName, (OdbcType.VarChar, "varchar", "varchar(255)", false, null, "") },
{ typeof(Guid).FullName, (OdbcType.VarChar, "char", "char(36) NOT NULL", false, false, Guid.Empty) },{ typeof(Guid?).FullName, (OdbcType.VarChar, "char", "char(36)", false, true, null) },
};
public override (int type, string dbtype, string dbtypeFull, bool? isnullable, object defaultValue)? GetDbInfo(Type type)
{
if (_dicCsToDb.TryGetValue(type.FullName, out var trydc)) return new (int, string, string, bool?, object)?(((int)trydc.type, trydc.dbtype, trydc.dbtypeFull, trydc.isnullable, trydc.defaultValue));
if (type.IsArray) return null;
var enumType = type.IsEnum ? type : null;
if (enumType == null && type.IsNullableType() && type.GenericTypeArguments.Length == 1 && type.GenericTypeArguments.First().IsEnum) enumType = type.GenericTypeArguments.First();
if (enumType != null)
{
var names = string.Join(",", Enum.GetNames(enumType).Select(a => _commonUtils.FormatSql("{0}", a)));
var newItem = enumType.GetCustomAttributes(typeof(FlagsAttribute), false).Any() ?
(OdbcType.VarChar, "set", $"set({names}){(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0)) :
(OdbcType.VarChar, "enum", $"enum({names}){(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0));
if (_dicCsToDb.ContainsKey(type.FullName) == false)
{
lock (_dicCsToDbLock)
{
if (_dicCsToDb.ContainsKey(type.FullName) == false)
_dicCsToDb.Add(type.FullName, newItem);
}
}
return ((int)newItem.Item1, newItem.Item2, newItem.Item3, newItem.Item5, newItem.Item6);
}
return null;
}
public override string GetComparisonDDLStatements(params Type[] entityTypes)
{
var conn = _orm.Ado.MasterPool.Get(TimeSpan.FromSeconds(5));
var database = conn.Value.Database;
Func<string, string, object> ExecuteScalar = (db, sql) =>
{
if (string.Compare(database, db) != 0) conn.Value.ChangeDatabase(db);
try
{
using (var cmd = conn.Value.CreateCommand())
{
cmd.CommandText = sql;
cmd.CommandType = CommandType.Text;
return cmd.ExecuteScalar();
}
}
finally
{
if (string.Compare(database, db) != 0) conn.Value.ChangeDatabase(database);
}
};
var sb = new StringBuilder();
try
{
foreach (var entityType in entityTypes)
{
if (sb.Length > 0) sb.Append("\r\n");
var tb = _commonUtils.GetTableByEntity(entityType);
if (tb == null) throw new Exception($"类型 {entityType.FullName} 不可迁移");
if (tb.Columns.Any() == false) throw new Exception($"类型 {entityType.FullName} 不可迁移，可迁移属性0个");
var tbname = tb.DbName.Split(new[] { '.' }, 2);
if (tbname?.Length == 1) tbname = new[] { database, tbname[0] };
var tboldname = tb.DbOldName?.Split(new[] { '.' }, 2); //旧表名
if (tboldname?.Length == 1) tboldname = new[] { database, tboldname[0] };
if (string.Compare(tbname[0], database, true) != 0 && ExecuteScalar(database, _commonUtils.FormatSql(" select 1 from information_schema.schemata where schema_name={0}", tbname[0])) == null) //创建数据库
sb.Append($"CREATE DATABASE IF NOT EXISTS ").Append(_commonUtils.QuoteSqlName(tbname[0])).Append(" default charset utf8 COLLATE utf8_general_ci;\r\n");
var sbalter = new StringBuilder();
var istmpatler = false; //创建临时表，导入数据，删除旧表，修改
if (ExecuteScalar(tbname[0], _commonUtils.FormatSql(" SELECT 1 FROM information_schema.TABLES WHERE table_schema={0} and table_name={1}", tbname)) == null)
{ //表不存在
if (tboldname != null)
{
if (string.Compare(tboldname[0], tbname[0], true) != 0 && ExecuteScalar(database, _commonUtils.FormatSql(" select 1 from information_schema.schemata where schema_name={0}", tboldname[0])) == null ||
ExecuteScalar(tboldname[0], _commonUtils.FormatSql(" SELECT 1 FROM information_schema.TABLES WHERE table_schema={0} and table_name={1}", tboldname)) == null)
//数据库或表不存在
tboldname = null;
}
if (tboldname == null)
{
//创建表
sb.Append("CREATE TABLE IF NOT EXISTS ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ( ");
foreach (var tbcol in tb.ColumnsByPosition)
{
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ");
sb.Append(tbcol.Attribute.DbType);
if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("AUTO_INCREMENT", StringComparison.CurrentCultureIgnoreCase) == -1) sb.Append(" AUTO_INCREMENT");
if (string.IsNullOrEmpty(tbcol.Comment) == false) sb.Append(" COMMENT ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment));
sb.Append(",");
}
if (tb.Primarys.Any())
{
sb.Append(" \r\n PRIMARY KEY (");
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
foreach (var uk in tb.Uniques)
{
sb.Append(" \r\n UNIQUE KEY ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("(");
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
sb.Remove(sb.Length - 1, 1);
sb.Append("\r\n) Engine=InnoDB;\r\n");
continue;
}
//如果新表，旧表在一个数据库下，直接修改表名
if (string.Compare(tbname[0], tboldname[0], true) == 0)
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}")).Append(" RENAME TO ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(";\r\n");
else
{
//如果新表，旧表不在一起，创建新表，导入数据，删除旧表
istmpatler = true;
}
}
else
tboldname = null; //如果新表已经存在，不走改表名逻辑
//对比字段，只可以修改类型、增加字段、有限的修改字段名；保证安全不删除字段
var sql = _commonUtils.FormatSql(@"
select
a.column_name,
a.column_type,
case when a.is_nullable = 'YES' then 1 else 0 end 'is_nullable',
case when locate('auto_increment', a.extra) > 0 then 1 else 0 end 'is_identity',
a.column_comment 'comment'
from information_schema.columns a
where a.table_schema in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
var tbstruct = ds.ToDictionary(a => string.Concat(a[0]), a =>
{
var a1 = string.Concat(a[1]);
if (a1 == "datetime") a1 = string.Concat(a1, "(0)");
return new
{
column = string.Concat(a[0]),
sqlType = a1,
is_nullable = string.Concat(a[2]) == "1",
is_identity = string.Concat(a[3]) == "1",
is_unsigned = string.Concat(a[1]).EndsWith(" unsigned"),
comment = string.Concat(a[4])
};
}, StringComparer.CurrentCultureIgnoreCase);
if (istmpatler == false)
{
var existsPrimary = ExecuteScalar(tbname[0], _commonUtils.FormatSql("select 1 from information_schema.key_column_usage where table_schema={0} and table_name={1} and constraint_name = 'PRIMARY' limit 1", tbname));
foreach (var tbcol in tb.ColumnsByPosition)
{
var isIdentityChanged = tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("AUTO_INCREMENT", StringComparison.CurrentCultureIgnoreCase) == -1;
if (tbstruct.TryGetValue(tbcol.Attribute.Name, out var tbstructcol) ||
string.IsNullOrEmpty(tbcol.Attribute.OldName) == false && tbstruct.TryGetValue(tbcol.Attribute.OldName, out tbstructcol))
{
var isCommentChanged = tbstructcol.comment != (tbcol.Comment ?? "");
if ((tbcol.Attribute.DbType.IndexOf(" unsigned", StringComparison.CurrentCultureIgnoreCase) != -1) != tbstructcol.is_unsigned ||
tbcol.Attribute.DbType.StartsWith(tbstructcol.sqlType, StringComparison.CurrentCultureIgnoreCase) == false ||
tbcol.Attribute.IsNullable != tbstructcol.is_nullable ||
tbcol.Attribute.IsIdentity != tbstructcol.is_identity ||
isCommentChanged)
{
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" MODIFY ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" ").Append(tbcol.Attribute.DbType);
if (isCommentChanged) sbalter.Append(" COMMENT ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? ""));
if (isIdentityChanged) sbalter.Append(" AUTO_INCREMENT").Append(existsPrimary == null ? "" : ", DROP PRIMARY KEY").Append(", ADD PRIMARY KEY(").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(")");
sbalter.Append(";\r\n");
}
if (string.Compare(tbstructcol.column, tbcol.Attribute.OldName, true) == 0)
{
//修改列名
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" CHANGE COLUMN ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType);
if (isCommentChanged) sbalter.Append(" COMMENT ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? ""));
if (isIdentityChanged) sbalter.Append(" AUTO_INCREMENT").Append(existsPrimary == null ? "" : ", DROP PRIMARY KEY").Append(", ADD PRIMARY KEY(").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(")");
sbalter.Append(";\r\n");
}
continue;
}
//添加列
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType);
if (tbcol.Attribute.IsNullable == false) sbalter.Append(" DEFAULT ").Append(_commonUtils.FormatSql("{0}", tbcol.Attribute.DbDefautValue));
if (string.IsNullOrEmpty(tbcol.Comment) == false) sbalter.Append(" COMMENT ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? ""));
if (isIdentityChanged) sbalter.Append(" AUTO_INCREMENT").Append(existsPrimary == null ? "" : ", DROP PRIMARY KEY").Append(", ADD PRIMARY KEY(").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(")");
sbalter.Append(";\r\n");
}
var dsuksql = _commonUtils.FormatSql(@"
select
a.column_name,
a.constraint_name 'index_id'
from information_schema.key_column_usage a
where a.constraint_schema IN ({0}) and a.table_name IN ({1})", tboldname ?? tbname);
var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
foreach (var uk in tb.Uniques)
{
if (uk.Key == "PRIMARY" || string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count)
{
if (dsukfind1.Any()) sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" DROP INDEX ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(";\r\n");
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sbalter.Remove(sbalter.Length - 2, 2).Append(");\r\n");
}
}
}
if (istmpatler == false)
{
sb.Append(sbalter);
continue;
}
//创建临时表，数据导进临时表，然后删除原表，将临时表改名为原表名
var tablename = tboldname == null ? _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}") : _commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}");
var tmptablename = _commonUtils.QuoteSqlName($"{tbname[0]}.FreeSqlTmp_{tbname[1]}");
//创建临时表
sb.Append("CREATE TABLE IF NOT EXISTS ").Append(tmptablename).Append(" ( ");
foreach (var tbcol in tb.ColumnsByPosition)
{
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ");
sb.Append(tbcol.Attribute.DbType);
if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("AUTO_INCREMENT", StringComparison.CurrentCultureIgnoreCase) == -1) sb.Append(" AUTO_INCREMENT");
if (string.IsNullOrEmpty(tbcol.Comment) == false) sb.Append(" COMMENT ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment));
sb.Append(",");
}
if (tb.Primarys.Any())
{
sb.Append(" \r\n PRIMARY KEY (");
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
foreach (var uk in tb.Uniques)
{
sb.Append(" \r\n UNIQUE KEY ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("(");
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
sb.Remove(sb.Length - 1, 1);
sb.Append("\r\n) Engine=InnoDB;\r\n");
sb.Append("INSERT INTO ").Append(tmptablename).Append(" (");
foreach (var tbcol in tb.ColumnsByPosition)
sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append(")\r\nSELECT ");
foreach (var tbcol in tb.ColumnsByPosition)
{
var insertvalue = "NULL";
if (tbstruct.TryGetValue(tbcol.Attribute.Name, out var tbstructcol) ||
string.IsNullOrEmpty(tbcol.Attribute.OldName) == false && tbstruct.TryGetValue(tbcol.Attribute.OldName, out tbstructcol))
{
insertvalue = _commonUtils.QuoteSqlName(tbstructcol.column);
if (tbcol.Attribute.DbType.StartsWith(tbstructcol.sqlType, StringComparison.CurrentCultureIgnoreCase) == false)
{
//insertvalue = $"cast({insertvalue} as {tbcol.Attribute.DbType.Split(' ').First()})";
}
if (tbcol.Attribute.IsNullable != tbstructcol.is_nullable)
insertvalue = $"ifnull({insertvalue},{_commonUtils.FormatSql("{0}", tbcol.Attribute.DbDefautValue)})";
}
else if (tbcol.Attribute.IsNullable == false)
insertvalue = _commonUtils.FormatSql("{0}", tbcol.Attribute.DbDefautValue);
sb.Append(insertvalue).Append(", ");
}
sb.Remove(sb.Length - 2, 2).Append(" FROM ").Append(tablename).Append(";\r\n");
sb.Append("DROP TABLE ").Append(tablename).Append(";\r\n");
sb.Append("ALTER TABLE ").Append(tmptablename).Append(" RENAME TO ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(";\r\n");
}
return sb.Length == 0 ? null : sb.ToString();
}
finally
{
try
{
conn.Value.ChangeDatabase(database);
_orm.Ado.MasterPool.Return(conn);
}
catch
{
_orm.Ado.MasterPool.Return(conn, true);
}
}
}
public override int ExecuteDDLStatements(string ddl)
{
if (string.IsNullOrEmpty(ddl)) return 0;
var scripts = ddl.Split(new string[] { ";\r\n" }, StringSplitOptions.None).Where(a => string.IsNullOrEmpty(a.Trim()) == false).ToArray();
if (scripts.Any() == false) return 0;
if (scripts.Length == 1) return base.ExecuteDDLStatements(ddl);
var affrows = 0;
foreach (var script in scripts)
affrows += base.ExecuteDDLStatements(script);
return affrows;
}
}
}

385
Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlDbFirst.cs Normal file
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@@ -0,0 +1,385 @@
using FreeSql.DatabaseModel;
using FreeSql.Internal;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Odbc;
using System.Linq;
using System.Text.RegularExpressions;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlDbFirst : IDbFirst
{
IFreeSql _orm;
protected CommonUtils _commonUtils;
protected CommonExpression _commonExpression;
public OdbcMySqlDbFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
{
_orm = orm;
_commonUtils = commonUtils;
_commonExpression = commonExpression;
}
public int GetDbType(DbColumnInfo column) => (int)GetOdbcType(column);
OdbcType GetOdbcType(DbColumnInfo column)
{
var is_unsigned = column.DbTypeTextFull.ToLower().EndsWith(" unsigned");
switch (column.DbTypeText.ToLower())
{
case "bit": return OdbcType.Bit;
case "tinyint": return is_unsigned ? OdbcType.TinyInt : OdbcType.SmallInt;
case "smallint": return is_unsigned ? OdbcType.Int : OdbcType.SmallInt;
case "mediumint": return is_unsigned ? OdbcType.Int : OdbcType.Int;
case "int": return is_unsigned ? OdbcType.BigInt : OdbcType.Int;
case "bigint": return is_unsigned ? OdbcType.Decimal : OdbcType.BigInt;
case "real":
case "double": return OdbcType.Double;
case "float": return OdbcType.Real;
case "numeric":
case "decimal": return OdbcType.Decimal;
case "year": return OdbcType.Int;
case "time": return OdbcType.Time;
case "date": return OdbcType.Date;
case "timestamp": return OdbcType.Timestamp;
case "datetime": return OdbcType.DateTime;
case "tinyblob": return OdbcType.VarBinary;
case "blob": return OdbcType.VarBinary;
case "mediumblob": return OdbcType.VarBinary;
case "longblob": return OdbcType.VarBinary;
case "binary": return OdbcType.Binary;
case "varbinary": return OdbcType.VarBinary;
case "tinytext": return OdbcType.Text;
case "text": return OdbcType.Text;
case "mediumtext": return OdbcType.Text;
case "longtext": return OdbcType.Text;
case "char": return column.MaxLength == 36 ? OdbcType.Char : OdbcType.VarChar;
case "varchar": return OdbcType.VarChar;
case "set": return OdbcType.VarChar;
case "enum": return OdbcType.VarChar;
default: return OdbcType.VarChar;
}
}
static readonly Dictionary<int, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)> _dicDbToCs = new Dictionary<int, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)>() {
{ (int)OdbcType.Bit, ("(bool?)", "{0} == \"1\"", "{0} == true ? \"1\" : \"0\"", "bool?", typeof(bool), typeof(bool?), "{0}.Value", "GetBoolean") },
{ (int)OdbcType.TinyInt, ("(sbyte?)", "sbyte.Parse({0})", "{0}.ToString()", "sbyte?", typeof(sbyte), typeof(sbyte?), "{0}.Value", "GetByte") },
{ (int)OdbcType.SmallInt, ("(short?)", "short.Parse({0})", "{0}.ToString()", "short?", typeof(short), typeof(short?), "{0}.Value", "GetInt16") },
{ (int)OdbcType.Int, ("(int?)", "int.Parse({0})", "{0}.ToString()", "int?", typeof(int), typeof(int?), "{0}.Value", "GetInt32") },
{ (int)OdbcType.BigInt, ("(long?)", "long.Parse({0})", "{0}.ToString()", "long?", typeof(long), typeof(long?), "{0}.Value", "GetInt64") },
{ (int)OdbcType.Double, ("(double?)", "double.Parse({0})", "{0}.ToString()", "double?", typeof(double), typeof(double?), "{0}.Value", "GetDouble") },
{ (int)OdbcType.Real, ("(float?)", "float.Parse({0})", "{0}.ToString()", "float?", typeof(float), typeof(float?), "{0}.Value", "GetFloat") },
{ (int)OdbcType.Decimal, ("(decimal?)", "decimal.Parse({0})", "{0}.ToString()", "decimal?", typeof(decimal), typeof(decimal?), "{0}.Value", "GetDecimal") },
{ (int)OdbcType.Time, ("(TimeSpan?)", "TimeSpan.Parse(double.Parse({0}))", "{0}.Ticks.ToString()", "TimeSpan?", typeof(TimeSpan), typeof(TimeSpan?), "{0}.Value", "GetValue") },
{ (int)OdbcType.Date, ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetDateTime") },
{ (int)OdbcType.Timestamp, ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetDateTime") },
{ (int)OdbcType.DateTime, ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetDateTime") },
{ (int)OdbcType.Binary, ("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
{ (int)OdbcType.VarBinary, ("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
{ (int)OdbcType.Text, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ (int)OdbcType.Char, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ (int)OdbcType.UniqueIdentifier, ("(Guid?)", "Guid.Parse({0})", "{0}.ToString()", "Guid?", typeof(Guid), typeof(Guid?), "{0}", "GetString") },
{ (int)OdbcType.VarChar, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
};
public string GetCsConvert(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? (column.IsNullable ? trydc.csConvert : trydc.csConvert.Replace("?", "")) : null;
public string GetCsParse(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.csParse : null;
public string GetCsStringify(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.csStringify : null;
public string GetCsType(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? (column.IsNullable ? trydc.csType : trydc.csType.Replace("?", "")) : null;
public Type GetCsTypeInfo(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.csTypeInfo : null;
public string GetCsTypeValue(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.csTypeValue : null;
public string GetDataReaderMethod(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.dataReaderMethod : null;
public List<string> GetDatabases()
{
var sql = @" select schema_name from information_schema.schemata where schema_name not in ('information_schema', 'mysql', 'performance_schema')";
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
return ds.Select(a => a.FirstOrDefault()?.ToString()).ToList();
}
public List<DbTableInfo> GetTablesByDatabase(params string[] database2)
{
var loc1 = new List<DbTableInfo>();
var loc2 = new Dictionary<string, DbTableInfo>();
var loc3 = new Dictionary<string, Dictionary<string, DbColumnInfo>>();
var database = database2?.ToArray();
if (database == null || database.Any() == false)
{
using (var conn = _orm.Ado.MasterPool.Get())
{
if (string.IsNullOrEmpty(conn.Value.Database)) return loc1;
database = new[] { conn.Value.Database };
}
}
var databaseIn = string.Join(",", database.Select(a => _commonUtils.FormatSql("{0}", a)));
var sql = string.Format(@"
select
concat(a.table_schema, '.', a.table_name) 'id',
a.table_schema 'schema',
a.table_name 'table',
a.table_comment,
a.table_type 'type'
from information_schema.tables a
where a.table_schema in ({0})", databaseIn);
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var loc6 = new List<string>();
var loc66 = new List<string>();
foreach (var row in ds)
{
var table_id = string.Concat(row[0]);
var schema = string.Concat(row[1]);
var table = string.Concat(row[2]);
var comment = string.Concat(row[3]);
var type = string.Concat(row[4]) == "VIEW" ? DbTableType.VIEW : DbTableType.TABLE;
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
schema = "";
}
loc2.Add(table_id, new DbTableInfo { Id = table_id, Schema = schema, Name = table, Comment = comment, Type = type });
loc3.Add(table_id, new Dictionary<string, DbColumnInfo>());
switch (type)
{
case DbTableType.TABLE:
case DbTableType.VIEW:
loc6.Add(table.Replace("'", "''"));
break;
case DbTableType.StoreProcedure:
loc66.Add(table.Replace("'", "''"));
break;
}
}
if (loc6.Count == 0) return loc1;
var loc8 = "'" + string.Join("','", loc6.ToArray()) + "'";
var loc88 = "'" + string.Join("','", loc66.ToArray()) + "'";
sql = string.Format(@"
select
concat(a.table_schema, '.', a.table_name),
a.column_name,
a.data_type,
ifnull(a.character_maximum_length, 0) 'len',
a.column_type,
case when a.is_nullable = 'YES' then 1 else 0 end 'is_nullable',
case when locate('auto_increment', a.extra) > 0 then 1 else 0 end 'is_identity',
a.column_comment 'comment'
from information_schema.columns a
where a.table_schema in ({1}) and a.table_name in ({0})
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
foreach (var row in ds)
{
string table_id = string.Concat(row[0]);
string column = string.Concat(row[1]);
string type = string.Concat(row[2]);
//long max_length = long.Parse(string.Concat(row[3]));
string sqlType = string.Concat(row[4]);
var m_len = Regex.Match(sqlType, @"\w+\((\d+)");
int max_length = m_len.Success ? int.Parse(m_len.Groups[1].Value) : -1;
bool is_nullable = string.Concat(row[5]) == "1";
bool is_identity = string.Concat(row[6]) == "1";
string comment = string.Concat(row[7]);
if (max_length == 0) max_length = -1;
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
}
loc3[table_id].Add(column, new DbColumnInfo
{
Name = column,
MaxLength = max_length,
IsIdentity = is_identity,
IsNullable = is_nullable,
IsPrimary = false,
DbTypeText = type,
DbTypeTextFull = sqlType,
Table = loc2[table_id],
Coment = comment
});
loc3[table_id][column].DbType = this.GetDbType(loc3[table_id][column]);
loc3[table_id][column].CsType = this.GetCsTypeInfo(loc3[table_id][column]);
}
sql = string.Format(@"
select
concat(a.constraint_schema, '.', a.table_name) 'table_id',
a.column_name,
a.constraint_name 'index_id',
1 'IsUnique',
case when a.constraint_name = 'PRIMARY' then 1 else 0 end 'IsPrimaryKey',
0 'IsClustered',
0 'IsDesc'
from information_schema.key_column_usage a
where a.constraint_schema in ({1}) and a.table_name in ({0}) and isnull(position_in_unique_constraint)
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var indexColumns = new Dictionary<string, Dictionary<string, List<DbColumnInfo>>>();
var uniqueColumns = new Dictionary<string, Dictionary<string, List<DbColumnInfo>>>();
foreach (var row in ds)
{
string table_id = string.Concat(row[0]);
string column = string.Concat(row[1]);
string index_id = string.Concat(row[2]);
bool is_unique = string.Concat(row[3]) == "1";
bool is_primary_key = string.Concat(row[4]) == "1";
bool is_clustered = string.Concat(row[5]) == "1";
int is_desc = int.Parse(string.Concat(row[6]));
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
}
if (loc3.ContainsKey(table_id) == false || loc3[table_id].ContainsKey(column) == false) continue;
var loc9 = loc3[table_id][column];
if (loc9.IsPrimary == false && is_primary_key) loc9.IsPrimary = is_primary_key;
Dictionary<string, List<DbColumnInfo>> loc10 = null;
List<DbColumnInfo> loc11 = null;
if (!indexColumns.TryGetValue(table_id, out loc10))
indexColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
if (!loc10.TryGetValue(index_id, out loc11))
loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
loc11.Add(loc9);
if (is_unique && !is_primary_key)
{
if (!uniqueColumns.TryGetValue(table_id, out loc10))
uniqueColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
if (!loc10.TryGetValue(index_id, out loc11))
loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
loc11.Add(loc9);
}
}
foreach (string table_id in indexColumns.Keys)
{
foreach (var column in indexColumns[table_id])
loc2[table_id].IndexesDict.Add(column.Key, column.Value);
}
foreach (string table_id in uniqueColumns.Keys)
{
foreach (var column in uniqueColumns[table_id])
{
column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
loc2[table_id].UniquesDict.Add(column.Key, column.Value);
}
}
sql = string.Format(@"
select
concat(a.constraint_schema, '.', a.table_name) 'table_id',
a.column_name,
a.constraint_name 'FKId',
concat(a.referenced_table_schema, '.', a.referenced_table_name) 'ref_table_id',
1 'IsForeignKey',
a.referenced_column_name 'ref_column'
from information_schema.key_column_usage a
where a.constraint_schema in ({1}) and a.table_name in ({0}) and not isnull(position_in_unique_constraint)
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var fkColumns = new Dictionary<string, Dictionary<string, DbForeignInfo>>();
foreach (var row in ds)
{
string table_id = string.Concat(row[0]);
string column = string.Concat(row[1]);
string fk_id = string.Concat(row[2]);
string ref_table_id = string.Concat(row[3]);
bool is_foreign_key = string.Concat(row[4]) == "1";
string referenced_column = string.Concat(row[5]);
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
ref_table_id = ref_table_id.Substring(ref_table_id.IndexOf('.') + 1);
}
if (loc3.ContainsKey(table_id) == false || loc3[table_id].ContainsKey(column) == false) continue;
var loc9 = loc3[table_id][column];
if (loc2.ContainsKey(ref_table_id) == false) continue;
var loc10 = loc2[ref_table_id];
var loc11 = loc3[ref_table_id][referenced_column];
Dictionary<string, DbForeignInfo> loc12 = null;
DbForeignInfo loc13 = null;
if (!fkColumns.TryGetValue(table_id, out loc12))
fkColumns.Add(table_id, loc12 = new Dictionary<string, DbForeignInfo>());
if (!loc12.TryGetValue(fk_id, out loc13))
loc12.Add(fk_id, loc13 = new DbForeignInfo { Table = loc2[table_id], ReferencedTable = loc10 });
loc13.Columns.Add(loc9);
loc13.ReferencedColumns.Add(loc11);
}
foreach (var table_id in fkColumns.Keys)
foreach (var fk in fkColumns[table_id])
loc2[table_id].ForeignsDict.Add(fk.Key, fk.Value);
foreach (var table_id in loc3.Keys)
{
foreach (var loc5 in loc3[table_id].Values)
{
loc2[table_id].Columns.Add(loc5);
if (loc5.IsIdentity) loc2[table_id].Identitys.Add(loc5);
if (loc5.IsPrimary) loc2[table_id].Primarys.Add(loc5);
}
}
foreach (var loc4 in loc2.Values)
{
if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0)
{
foreach (var loc5 in loc4.UniquesDict.First().Value)
{
loc5.IsPrimary = true;
loc4.Primarys.Add(loc5);
}
}
loc4.Primarys.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
loc4.Columns.Sort((c1, c2) =>
{
int compare = c2.IsPrimary.CompareTo(c1.IsPrimary);
if (compare == 0)
{
bool b1 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c1.Name).Any()).Any();
bool b2 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c2.Name).Any()).Any();
compare = b2.CompareTo(b1);
}
if (compare == 0) compare = c1.Name.CompareTo(c2.Name);
return compare;
});
loc1.Add(loc4);
}
loc1.Sort((t1, t2) =>
{
var ret = t1.Schema.CompareTo(t2.Schema);
if (ret == 0) ret = t1.Name.CompareTo(t2.Name);
return ret;
});
loc2.Clear();
loc3.Clear();
return loc1;
}
public List<DbEnumInfo> GetEnumsByDatabase(params string[] database)
{
return new List<DbEnumInfo>();
}
}
}

456
Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlExpression.cs Normal file
View File

@@ -0,0 +1,456 @@
using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlExpression : CommonExpression
{
public OdbcMySqlExpression(CommonUtils common) : base(common) { }
public override string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (exp.NodeType)
{
case ExpressionType.Convert:
var operandExp = (exp as UnaryExpression)?.Operand;
var gentype = exp.Type.NullableTypeOrThis();
if (gentype != operandExp.Type.NullableTypeOrThis())
{
switch (gentype.ToString())
{
case "System.Boolean": return $"({getExp(operandExp)} not in ('0','false'))";
case "System.Byte": return $"cast({getExp(operandExp)} as unsigned)";
case "System.Char": return $"substr(cast({getExp(operandExp)} as char), 1, 1)";
case "System.DateTime": return $"cast({getExp(operandExp)} as datetime)";
case "System.Decimal": return $"cast({getExp(operandExp)} as decimal(36,18))";
case "System.Double": return $"cast({getExp(operandExp)} as decimal(32,16))";
case "System.Int16":
case "System.Int32":
case "System.Int64":
case "System.SByte": return $"cast({getExp(operandExp)} as signed)";
case "System.Single": return $"cast({getExp(operandExp)} as decimal(14,7))";
case "System.String": return $"cast({getExp(operandExp)} as char)";
case "System.UInt16":
case "System.UInt32":
case "System.UInt64": return $"cast({getExp(operandExp)} as unsigned)";
case "System.Guid": return $"substr(cast({getExp(operandExp)} as char), 1, 36)";
}
}
break;
case ExpressionType.Call:
var callExp = exp as MethodCallExpression;
switch (callExp.Method.Name)
{
case "Parse":
case "TryParse":
switch (callExp.Method.DeclaringType.NullableTypeOrThis().ToString())
{
case "System.Boolean": return $"({getExp(callExp.Arguments[0])} not in ('0','false'))";
case "System.Byte": return $"cast({getExp(callExp.Arguments[0])} as unsigned)";
case "System.Char": return $"substr(cast({getExp(callExp.Arguments[0])} as char), 1, 1)";
case "System.DateTime": return $"cast({getExp(callExp.Arguments[0])} as datetime)";
case "System.Decimal": return $"cast({getExp(callExp.Arguments[0])} as decimal(36,18))";
case "System.Double": return $"cast({getExp(callExp.Arguments[0])} as decimal(32,16))";
case "System.Int16":
case "System.Int32":
case "System.Int64":
case "System.SByte": return $"cast({getExp(callExp.Arguments[0])} as signed)";
case "System.Single": return $"cast({getExp(callExp.Arguments[0])} as decimal(14,7))";
case "System.UInt16":
case "System.UInt32":
case "System.UInt64": return $"cast({getExp(callExp.Arguments[0])} as unsigned)";
case "System.Guid": return $"substr(cast({getExp(callExp.Arguments[0])} as char), 1, 36)";
}
break;
case "NewGuid":
break;
case "Next":
if (callExp.Object?.Type == typeof(Random)) return "cast(rand()*1000000000 as signed)";
break;
case "NextDouble":
if (callExp.Object?.Type == typeof(Random)) return "rand()";
break;
case "Random":
if (callExp.Method.DeclaringType.IsNumberType()) return "rand()";
break;
case "ToString":
if (callExp.Object != null) return callExp.Arguments.Count == 0 ? $"cast({getExp(callExp.Object)} as char)" : null;
break;
}
var objExp = callExp.Object;
var objType = objExp?.Type;
if (objType?.FullName == "System.Byte[]") return null;
var argIndex = 0;
if (objType == null && callExp.Method.DeclaringType == typeof(Enumerable))
{
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArray || typeof(IList).IsAssignableFrom(callExp.Method.DeclaringType))
{
var left = objExp == null ? null : getExp(objExp);
switch (callExp.Method.Name)
{
case "Contains":
//判断 in
return $"({getExp(callExp.Arguments[argIndex])}) in {left}";
}
}
break;
case ExpressionType.NewArrayInit:
var arrExp = exp as NewArrayExpression;
var arrSb = new StringBuilder();
arrSb.Append("(");
for (var a = 0; a < arrExp.Expressions.Count; a++)
{
if (a > 0) arrSb.Append(",");
arrSb.Append(getExp(arrExp.Expressions[a]));
}
if (arrSb.Length == 1) arrSb.Append("NULL");
return arrSb.Append(")").ToString();
case ExpressionType.ListInit:
var listExp = exp as ListInitExpression;
var listSb = new StringBuilder();
listSb.Append("(");
for (var a = 0; a < listExp.Initializers.Count; a++)
{
if (listExp.Initializers[a].Arguments.Any() == false) continue;
if (a > 0) listSb.Append(",");
listSb.Append(getExp(listExp.Initializers[a].Arguments.FirstOrDefault()));
}
if (listSb.Length == 1) listSb.Append("NULL");
return listSb.Append(")").ToString();
case ExpressionType.New:
var newExp = exp as NewExpression;
if (typeof(IList).IsAssignableFrom(newExp.Type))
{
if (newExp.Arguments.Count == 0) return "(NULL)";
if (typeof(IEnumerable).IsAssignableFrom(newExp.Arguments[0].Type) == false) return "(NULL)";
return getExp(newExp.Arguments[0]);
}
return null;
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Empty": return "''";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Length": return $"char_length({left})";
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Now": return "now()";
case "UtcNow": return "utc_timestamp()";
case "Today": return "curdate()";
case "MinValue": return "cast('0001/1/1 0:00:00' as datetime)";
case "MaxValue": return "cast('9999/12/31 23:59:59' as datetime)";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Date": return $"cast(date_format({left},'%Y-%m-%d') as datetime)";
case "TimeOfDay": return $"timestampdiff(microsecond, date_format({left},'%Y-%m-%d'), {left})";
case "DayOfWeek": return $"(dayofweek({left})-1)";
case "Day": return $"dayofmonth({left})";
case "DayOfYear": return $"dayofyear({left})";
case "Month": return $"month({left})";
case "Year": return $"year({left})";
case "Hour": return $"hour({left})";
case "Minute": return $"minute({left})";
case "Second": return $"second({left})";
case "Millisecond": return $"floor(microsecond({left})/1000)";
case "Ticks": return $"(timestampdiff(microsecond, '0001-1-1', {left})*10)";
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Zero": return "0";
case "MinValue": return "-922337203685477580"; //微秒 Ticks / 10
case "MaxValue": return "922337203685477580";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Days": return $"(({left}) div {(long)1000000 * 60 * 60 * 24})";
case "Hours": return $"(({left}) div {(long)1000000 * 60 * 60} mod 24)";
case "Milliseconds": return $"(({left}) div 1000 mod 1000)";
case "Minutes": return $"(({left}) div {(long)1000000 * 60} mod 60)";
case "Seconds": return $"(({left}) div 1000000 mod 60)";
case "Ticks": return $"(({left}) * 10)";
case "TotalDays": return $"(({left}) / {(long)1000000 * 60 * 60 * 24})";
case "TotalHours": return $"(({left}) / {(long)1000000 * 60 * 60})";
case "TotalMilliseconds": return $"(({left}) / 1000)";
case "TotalMinutes": return $"(({left}) / {(long)1000000 * 60})";
case "TotalSeconds": return $"(({left}) / 1000000)";
}
return null;
}
public override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "IsNullOrEmpty":
var arg1 = getExp(exp.Arguments[0]);
return $"({arg1} is null or {arg1} = '')";
case "IsNullOrWhiteSpace":
var arg2 = getExp(exp.Arguments[0]);
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), null);
}
}
else
{
var left = getExp(exp.Object);
switch (exp.Method.Name)
{
case "StartsWith":
case "EndsWith":
case "Contains":
var args0Value = getExp(exp.Arguments[0]);
if (args0Value == "NULL") return $"({left}) IS NULL";
if (exp.Method.Name == "StartsWith") return $"({left}) LIKE {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"concat({args0Value}, '%')")}";
if (exp.Method.Name == "EndsWith") return $"({left}) LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"concat('%', {args0Value})")}";
if (args0Value.StartsWith("'") && args0Value.EndsWith("'")) return $"({left}) LIKE {args0Value.Insert(1, "%").Insert(args0Value.Length, "%")}";
return $"({left}) LIKE concat('%', {args0Value}, '%')";
case "ToLower": return $"lower({left})";
case "ToUpper": return $"upper({left})";
case "Substring":
var substrArgs1 = getExp(exp.Arguments[0]);
if (long.TryParse(substrArgs1, out var testtrylng1)) substrArgs1 = (testtrylng1 + 1).ToString();
else substrArgs1 += "+1";
if (exp.Arguments.Count == 1) return $"substr({left}, {substrArgs1})";
return $"substr({left}, {substrArgs1}, {getExp(exp.Arguments[1])})";
case "IndexOf":
var indexOfFindStr = getExp(exp.Arguments[0]);
if (exp.Arguments.Count > 1 && exp.Arguments[1].Type.FullName == "System.Int32")
{
var locateArgs1 = getExp(exp.Arguments[1]);
if (long.TryParse(locateArgs1, out var testtrylng2)) locateArgs1 = (testtrylng2 + 1).ToString();
else locateArgs1 += "+1";
return $"(locate({left}, {indexOfFindStr}, {locateArgs1})-1)";
}
return $"(locate({left}, {indexOfFindStr})-1)";
case "PadLeft":
if (exp.Arguments.Count == 1) return $"lpad({left}, {getExp(exp.Arguments[0])})";
return $"lpad({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "PadRight":
if (exp.Arguments.Count == 1) return $"rpad({left}, {getExp(exp.Arguments[0])})";
return $"rpad({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Trim":
case "TrimStart":
case "TrimEnd":
if (exp.Arguments.Count == 0)
{
if (exp.Method.Name == "Trim") return $"trim({left})";
if (exp.Method.Name == "TrimStart") return $"ltrim({left})";
if (exp.Method.Name == "TrimEnd") return $"rtrim({left})";
}
foreach (var argsTrim02 in exp.Arguments)
{
var argsTrim01s = new[] { argsTrim02 };
if (argsTrim02.NodeType == ExpressionType.NewArrayInit)
{
var arritem = argsTrim02 as NewArrayExpression;
argsTrim01s = arritem.Expressions.ToArray();
}
foreach (var argsTrim01 in argsTrim01s)
{
if (exp.Method.Name == "Trim") left = $"trim({getExp(argsTrim01)} from {left})";
if (exp.Method.Name == "TrimStart") left = $"trim(leading {getExp(argsTrim01)} from {left})";
if (exp.Method.Name == "TrimEnd") left = $"trim(trailing {getExp(argsTrim01)} from {left})";
}
}
return left;
case "Replace": return $"replace({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "CompareTo": return $"strcmp({left}, {getExp(exp.Arguments[0])})";
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (exp.Method.Name)
{
case "Abs": return $"abs({getExp(exp.Arguments[0])})";
case "Sign": return $"sign({getExp(exp.Arguments[0])})";
case "Floor": return $"floor({getExp(exp.Arguments[0])})";
case "Ceiling": return $"ceiling({getExp(exp.Arguments[0])})";
case "Round":
if (exp.Arguments.Count > 1 && exp.Arguments[1].Type.FullName == "System.Int32") return $"round({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
return $"round({getExp(exp.Arguments[0])})";
case "Exp": return $"exp({getExp(exp.Arguments[0])})";
case "Log": return $"log({getExp(exp.Arguments[0])})";
case "Log10": return $"log10({getExp(exp.Arguments[0])})";
case "Pow": return $"pow({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Sqrt": return $"sqrt({getExp(exp.Arguments[0])})";
case "Cos": return $"cos({getExp(exp.Arguments[0])})";
case "Sin": return $"sin({getExp(exp.Arguments[0])})";
case "Tan": return $"tan({getExp(exp.Arguments[0])})";
case "Acos": return $"acos({getExp(exp.Arguments[0])})";
case "Asin": return $"asin({getExp(exp.Arguments[0])})";
case "Atan": return $"atan({getExp(exp.Arguments[0])})";
case "Atan2": return $"atan2({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Truncate": return $"truncate({getExp(exp.Arguments[0])}, 0)";
}
return null;
}
public override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "Compare": return $"({getExp(exp.Arguments[0])} - ({getExp(exp.Arguments[1])}))";
case "DaysInMonth": return $"dayofmonth(last_day(concat({getExp(exp.Arguments[0])}, '-', {getExp(exp.Arguments[1])}, '-01')))";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "IsLeapYear":
var isLeapYearArgs1 = getExp(exp.Arguments[0]);
return $"(({isLeapYearArgs1})%4=0 AND ({isLeapYearArgs1})%100<>0 OR ({isLeapYearArgs1})%400=0)";
case "Parse": return $"cast({getExp(exp.Arguments[0])} as datetime)";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as datetime)";
}
}
else
{
var left = getExp(exp.Object);
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"date_add({left}, interval ({args1}) microsecond)";
case "AddDays": return $"date_add({left}, interval ({args1}) day)";
case "AddHours": return $"date_add({left}, interval ({args1}) hour)";
case "AddMilliseconds": return $"date_add({left}, interval ({args1})*1000 microsecond)";
case "AddMinutes": return $"date_add({left}, interval ({args1}) minute)";
case "AddMonths": return $"date_add({left}, interval ({args1}) month)";
case "AddSeconds": return $"date_add({left}, interval ({args1}) second)";
case "AddTicks": return $"date_add({left}, interval ({args1})/10 microsecond)";
case "AddYears": return $"date_add({left}, interval ({args1}) year)";
case "Subtract":
switch ((exp.Arguments[0].Type.IsNullableType() ? exp.Arguments[0].Type.GenericTypeArguments.FirstOrDefault() : exp.Arguments[0].Type).FullName)
{
case "System.DateTime": return $"timestampdiff(microsecond, {args1}, {left})";
case "System.TimeSpan": return $"date_sub({left}, interval ({args1}) microsecond)";
}
break;
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
case "CompareTo": return $"timestampdiff(microsecond,{args1},{left})";
case "ToString": return exp.Arguments.Count == 0 ? $"date_format({left}, '%Y-%m-%d %H:%i:%s.%f')" : null;
}
}
return null;
}
public override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "Compare": return $"({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])}))";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "FromDays": return $"(({getExp(exp.Arguments[0])})*{(long)1000000 * 60 * 60 * 24})";
case "FromHours": return $"(({getExp(exp.Arguments[0])})*{(long)1000000 * 60 * 60})";
case "FromMilliseconds": return $"(({getExp(exp.Arguments[0])})*1000)";
case "FromMinutes": return $"(({getExp(exp.Arguments[0])})*{(long)1000000 * 60})";
case "FromSeconds": return $"(({getExp(exp.Arguments[0])})*1000000)";
case "FromTicks": return $"(({getExp(exp.Arguments[0])})/10)";
case "Parse": return $"cast({getExp(exp.Arguments[0])} as signed)";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as signed)";
}
}
else
{
var left = getExp(exp.Object);
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"({left}+{args1})";
case "Subtract": return $"({left}-({args1}))";
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
case "CompareTo": return $"({left}-({getExp(exp.Arguments[0])}))";
case "ToString": return $"cast({left} as char)";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "ToBoolean": return $"({getExp(exp.Arguments[0])} not in ('0','false'))";
case "ToByte": return $"cast({getExp(exp.Arguments[0])} as unsigned)";
case "ToChar": return $"substr(cast({getExp(exp.Arguments[0])} as char), 1, 1)";
case "ToDateTime": return $"cast({getExp(exp.Arguments[0])} as datetime)";
case "ToDecimal": return $"cast({getExp(exp.Arguments[0])} as decimal(36,18))";
case "ToDouble": return $"cast({getExp(exp.Arguments[0])} as decimal(32,16))";
case "ToInt16":
case "ToInt32":
case "ToInt64":
case "ToSByte": return $"cast({getExp(exp.Arguments[0])} as signed)";
case "ToSingle": return $"cast({getExp(exp.Arguments[0])} as decimal(14,7))";
case "ToString": return $"cast({getExp(exp.Arguments[0])} as char)";
case "ToUInt16":
case "ToUInt32":
case "ToUInt64": return $"cast({getExp(exp.Arguments[0])} as unsigned)";
}
}
return null;
}
}
}

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Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlProvider.cs Normal file
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using FreeSql.Internal;
using FreeSql.Internal.CommonProvider;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq.Expressions;
namespace FreeSql.Odbc.MySql
{
public class OdbcMySqlProvider<TMark> : IFreeSql<TMark>
{
static OdbcMySqlProvider()
{
}
public ISelect<T1> Select<T1>() where T1 : class => new OdbcMySqlSelect<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public ISelect<T1> Select<T1>(object dywhere) where T1 : class => new OdbcMySqlSelect<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IInsert<T1> Insert<T1>() where T1 : class => new OdbcMySqlInsert<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression);
public IInsert<T1> Insert<T1>(T1 source) where T1 : class => this.Insert<T1>().AppendData(source);
public IInsert<T1> Insert<T1>(T1[] source) where T1 : class => this.Insert<T1>().AppendData(source);
public IInsert<T1> Insert<T1>(IEnumerable<T1> source) where T1 : class => this.Insert<T1>().AppendData(source);
public IUpdate<T1> Update<T1>() where T1 : class => new OdbcMySqlUpdate<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public IUpdate<T1> Update<T1>(object dywhere) where T1 : class => new OdbcMySqlUpdate<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IDelete<T1> Delete<T1>() where T1 : class => new OdbcMySqlDelete<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public IDelete<T1> Delete<T1>(object dywhere) where T1 : class => new OdbcMySqlDelete<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IAdo Ado { get; }
public IAop Aop { get; }
public ICodeFirst CodeFirst { get; }
public IDbFirst DbFirst { get; }
public OdbcMySqlProvider(string masterConnectionString, string[] slaveConnectionString)
{
this.InternalCommonUtils = new OdbcMySqlUtils(this);
this.InternalCommonExpression = new OdbcMySqlExpression(this.InternalCommonUtils);
this.Ado = new OdbcMySqlAdo(this.InternalCommonUtils, masterConnectionString, slaveConnectionString);
this.Aop = new AopProvider();
this.DbFirst = new OdbcMySqlDbFirst(this, this.InternalCommonUtils, this.InternalCommonExpression);
this.CodeFirst = new OdbcMySqlCodeFirst(this, this.InternalCommonUtils, this.InternalCommonExpression);
}
internal CommonUtils InternalCommonUtils { get; }
internal CommonExpression InternalCommonExpression { get; }
public void Transaction(Action handler) => Ado.Transaction(handler);
public void Transaction(Action handler, TimeSpan timeout) => Ado.Transaction(handler, timeout);
~OdbcMySqlProvider()
{
this.Dispose();
}
bool _isdisposed = false;
public void Dispose()
{
if (_isdisposed) return;
(this.Ado as AdoProvider)?.Dispose();
}
}
}

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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Data.Odbc;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;
namespace FreeSql.Odbc.MySql
{
class OdbcMySqlUtils : CommonUtils
{
public OdbcMySqlUtils(IFreeSql orm) : base(orm)
{
}
public override DbParameter AppendParamter(List<DbParameter> _params, string parameterName, Type type, object value)
{
if (string.IsNullOrEmpty(parameterName)) parameterName = $"p_{_params?.Count}";
var ret = new OdbcParameter { ParameterName = QuoteParamterName(parameterName), Value = value };
var tp = _orm.CodeFirst.GetDbInfo(type)?.type;
if (tp != null)
ret.OdbcType = (OdbcType)tp.Value;
_params?.Add(ret);
return ret;
}
public override DbParameter[] GetDbParamtersByObject(string sql, object obj) =>
Utils.GetDbParamtersByObject<OdbcParameter>(sql, obj, null, (name, type, value) =>
{
var ret = new OdbcParameter { ParameterName = $"?{name}", Value = value };
var tp = _orm.CodeFirst.GetDbInfo(type)?.type;
if (tp != null)
ret.OdbcType = (OdbcType)tp.Value;
return ret;
});
public override string FormatSql(string sql, params object[] args) => sql?.FormatOdbcMySql(args);
public override string QuoteSqlName(string name)
{
var nametrim = name.Trim();
if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
return nametrim; //原生SQL
return $"`{nametrim.Trim('`').Replace(".", "`.`")}`";
}
public override string TrimQuoteSqlName(string name)
{
var nametrim = name.Trim();
if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
return nametrim; //原生SQL
return $"{nametrim.Trim('`').Replace("`.`", ".").Replace(".`", ".")}";
}
public override string QuoteParamterName(string name) => $"?{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
public override string IsNull(string sql, object value) => $"ifnull({sql}, {value})";
public override string StringConcat(string[] objs, Type[] types) => $"concat({string.Join(", ", objs)})";
public override string Mod(string left, string right, Type leftType, Type rightType) => $"{left} % {right}";
public override string Div(string left, string right, Type leftType, Type rightType) => $"{left} div {right}";
public override string QuoteWriteParamter(Type type, string paramterName)
{
switch (type.FullName)
{
case "MygisPoint":
case "MygisLineString":
case "MygisPolygon":
case "MygisMultiPoint":
case "MygisMultiLineString":
case "MygisMultiPolygon": return $"ST_GeomFromText({paramterName})";
}
return paramterName;
}
public override string QuoteReadColumn(Type type, string columnName)
{
switch (type.FullName)
{
case "MygisPoint":
case "MygisLineString":
case "MygisPolygon":
case "MygisMultiPoint":
case "MygisMultiLineString":
case "MygisMultiPolygon": return $"ST_AsText({columnName})";
}
return columnName;
}
public override string GetNoneParamaterSqlValue(List<DbParameter> specialParams, Type type, object value)
{
if (value == null) return "NULL";
if (type == typeof(byte[]))
{
var bytes = value as byte[];
var sb = new StringBuilder().Append("0x");
foreach (var vc in bytes)
{
if (vc < 10) sb.Append("0");
sb.Append(vc.ToString("X"));
}
return sb.ToString(); //val = Encoding.UTF8.GetString(val as byte[]);
}
else if (type == typeof(TimeSpan) || type == typeof(TimeSpan?))
{
var ts = (TimeSpan)value;
value = $"{Math.Floor(ts.TotalHours)}:{ts.Minutes}:{ts.Seconds}";
}
return FormatSql("{0}", value, 1);
}
}
}

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using FreeSql.Internal;
using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleDelete<T1> : Internal.CommonProvider.DeleteProvider<T1> where T1 : class
{
public OdbcOracleDelete(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
: base(orm, commonUtils, commonExpression, dywhere)
{
}
public override List<T1> ExecuteDeleted()
{
throw new NotImplementedException();
}
public override Task<List<T1>> ExecuteDeletedAsync()
{
throw new NotImplementedException();
}
}
}

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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleInsert<T1> : Internal.CommonProvider.InsertProvider<T1> where T1 : class
{
public OdbcOracleInsert(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
: base(orm, commonUtils, commonExpression)
{
}
public override int ExecuteAffrows() => base.SplitExecuteAffrows(500, 999);
public override Task<int> ExecuteAffrowsAsync() => base.SplitExecuteAffrowsAsync(500, 999);
public override long ExecuteIdentity() => base.SplitExecuteIdentity(500, 999);
public override Task<long> ExecuteIdentityAsync() => base.SplitExecuteIdentityAsync(500, 999);
public override List<T1> ExecuteInserted() => base.SplitExecuteInserted(500, 999);
public override Task<List<T1>> ExecuteInsertedAsync() => base.SplitExecuteInsertedAsync(500, 999);
public override string ToSql()
{
if (_source == null || _source.Any() == false) return null;
var sb = new StringBuilder();
sb.Append("INSERT ");
if (_source.Count > 1) sb.Append("ALL");
_identCol = null;
var sbtb = new StringBuilder();
sbtb.Append("INTO ");
sbtb.Append(_commonUtils.QuoteSqlName(TableRuleInvoke())).Append("(");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (col.Attribute.IsIdentity) _identCol = col;
if (_ignore.ContainsKey(col.Attribute.Name)) continue;
if (col.Attribute.IsIdentity && _insertIdentity == false) continue;
if (colidx > 0) sbtb.Append(", ");
sbtb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name));
++colidx;
}
sbtb.Append(") ");
_params = _noneParameter ? new DbParameter[0] : new DbParameter[colidx * _source.Count];
var specialParams = new List<DbParameter>();
var didx = 0;
foreach (var d in _source)
{
if (_source.Count > 1) sb.Append("\r\n");
sb.Append(sbtb);
sb.Append("VALUES");
sb.Append("(");
var colidx2 = 0;
foreach (var col in _table.Columns.Values)
{
if (_ignore.ContainsKey(col.Attribute.Name)) continue;
if (col.Attribute.IsIdentity && _insertIdentity == false) continue;
if (colidx2 > 0) sb.Append(", ");
object val = col.GetMapValue(d);
if (_noneParameter)
sb.Append(_commonUtils.GetNoneParamaterSqlValue(specialParams, col.Attribute.MapType, val));
else
{
sb.Append(_commonUtils.QuoteWriteParamter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"{col.CsName}_{didx}")));
_params[didx * colidx + colidx2] = _commonUtils.AppendParamter(null, $"{col.CsName}_{didx}", col.Attribute.MapType, val);
}
++colidx2;
}
sb.Append(")");
++didx;
}
if (_source.Count > 1) sb.Append("\r\n SELECT 1 FROM DUAL");
return sb.ToString();
}
ColumnInfo _identCol;
protected override long RawExecuteIdentity()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return 0;
long ret = 0;
Exception exception = null;
Aop.CurdBeforeEventArgs before = null;
if (_identCol == null || _source.Count > 1)
{
before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
try
{
ret = _orm.Ado.ExecuteNonQuery(_connection, _transaction, CommandType.Text, sql, _params);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return 0;
}
var identColName = _commonUtils.QuoteSqlName(_identCol.Attribute.Name);
var identParam = _commonUtils.AppendParamter(null, $"{_identCol.CsName}99", _identCol.Attribute.MapType, 0);
identParam.Direction = ParameterDirection.Output;
sql = $"{sql} RETURNING {identColName} INTO {identParam.ParameterName}";
var dbParms = _params.Concat(new[] { identParam }).ToArray();
before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
try
{
_orm.Ado.ExecuteNonQuery(_connection, _transaction, CommandType.Text, sql, dbParms);
long.TryParse(string.Concat(identParam.Value), out ret);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
async protected override Task<long> RawExecuteIdentityAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return 0;
long ret = 0;
Exception exception = null;
Aop.CurdBeforeEventArgs before = null;
if (_identCol == null || _source.Count > 1)
{
before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
try
{
ret = await _orm.Ado.ExecuteNonQueryAsync(_connection, _transaction, CommandType.Text, sql, _params);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return 0;
}
var identColName = _commonUtils.QuoteSqlName(_identCol.Attribute.Name);
var identParam = _commonUtils.AppendParamter(null, $"{_identCol.CsName}99", _identCol.Attribute.MapType, 0);
identParam.Direction = ParameterDirection.Output;
sql = $"{sql} RETURNING {identColName} INTO {identParam.ParameterName}";
var dbParms = _params.Concat(new[] { identParam }).ToArray();
before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
try
{
await _orm.Ado.ExecuteNonQueryAsync(_connection, _transaction, CommandType.Text, sql, dbParms);
long.TryParse(string.Concat(identParam.Value), out ret);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
protected override List<T1> RawExecuteInserted()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
this.RawExecuteAffrows();
return _source;
}
async protected override Task<List<T1>> RawExecuteInsertedAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
await this.RawExecuteAffrowsAsync();
return _source;
}
}
}

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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleSelect<T1> : FreeSql.Internal.CommonProvider.Select1Provider<T1> where T1 : class
{
internal static string ToSqlStatic(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
{
if (_orm.CodeFirst.IsAutoSyncStructure)
_orm.CodeFirst.SyncStructure(_tables.Select(a => a.Table.Type).ToArray());
if (_whereCascadeExpression.Any())
foreach (var tb in _tables.Where(a => a.Type != SelectTableInfoType.Parent))
tb.Cascade = _commonExpression.GetWhereCascadeSql(tb, _whereCascadeExpression);
var sb = new StringBuilder();
var tbUnionsGt0 = tbUnions.Count > 1;
for (var tbUnionsIdx = 0; tbUnionsIdx < tbUnions.Count; tbUnionsIdx++)
{
if (tbUnionsIdx > 0) sb.Append(" \r\n\r\nUNION ALL\r\n\r\n");
if (tbUnionsGt0) sb.Append("select * from (");
var tbUnion = tbUnions[tbUnionsIdx];
var sbnav = new StringBuilder();
sb.Append(_select);
if (_distinct) sb.Append("DISTINCT ");
sb.Append(field);
if (string.IsNullOrEmpty(_orderby) && _skip > 0) sb.Append(", ROWNUM AS \"__rownum__\"");
sb.Append(" \r\nFROM ");
var tbsjoin = _tables.Where(a => a.Type != SelectTableInfoType.From).ToArray();
var tbsfrom = _tables.Where(a => a.Type == SelectTableInfoType.From).ToArray();
for (var a = 0; a < tbsfrom.Length; a++)
{
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[a].Table.Type])).Append(" ").Append(tbsfrom[a].Alias);
if (tbsjoin.Length > 0)
{
//如果存在 join 查询，则处理 from t1, t2 改为 from t1 inner join t2 on 1 = 1
for (var b = 1; b < tbsfrom.Length; b++)
{
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[b].Table.Type])).Append(" ").Append(tbsfrom[b].Alias);
if (string.IsNullOrEmpty(tbsfrom[b].NavigateCondition) && string.IsNullOrEmpty(tbsfrom[b].On) && string.IsNullOrEmpty(tbsfrom[b].Cascade)) sb.Append(" ON 1 = 1");
else
{
sb.Append(" ON ").Append(tbsfrom[b].NavigateCondition ?? tbsfrom[b].On);
if (string.IsNullOrEmpty(tbsfrom[b].Cascade) == false) sb.Append(" AND (").Append(tbsfrom[b].Cascade).Append(")");
}
}
break;
}
else
{
if (!string.IsNullOrEmpty(tbsfrom[a].NavigateCondition)) sbnav.Append(" AND (").Append(tbsfrom[a].NavigateCondition).Append(")");
if (!string.IsNullOrEmpty(tbsfrom[a].On)) sbnav.Append(" AND (").Append(tbsfrom[a].On).Append(")");
if (a > 0 && !string.IsNullOrEmpty(tbsfrom[a].Cascade)) sbnav.Append(" AND (").Append(tbsfrom[a].Cascade).Append(")");
}
if (a < tbsfrom.Length - 1) sb.Append(", ");
}
foreach (var tb in tbsjoin)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
switch (tb.Type)
{
case SelectTableInfoType.LeftJoin:
sb.Append(" \r\nLEFT JOIN ");
break;
case SelectTableInfoType.InnerJoin:
sb.Append(" \r\nINNER JOIN ");
break;
case SelectTableInfoType.RightJoin:
sb.Append(" \r\nRIGHT JOIN ");
break;
}
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tb.Table.Type])).Append(" ").Append(tb.Alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
if (!string.IsNullOrEmpty(tb.Cascade)) sb.Append(" AND (").Append(tb.Cascade).Append(")");
if (!string.IsNullOrEmpty(tb.On) && !string.IsNullOrEmpty(tb.NavigateCondition)) sbnav.Append(" AND (").Append(tb.NavigateCondition).Append(")");
}
if (_join.Length > 0) sb.Append(_join);
sbnav.Append(_where);
if (!string.IsNullOrEmpty(_tables[0].Cascade))
sbnav.Append(" AND (").Append(_tables[0].Cascade).Append(")");
foreach (var tb in _tables)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
if (string.IsNullOrEmpty(tb.Table.SelectFilter) == false)
sbnav.Append(" AND (").Append(tb.Table.SelectFilter.Replace("a.", $"{tb.Alias}.")).Append(")");
}
if (string.IsNullOrEmpty(_orderby) && (_skip > 0 || _limit > 0))
sbnav.Append(" AND ROWNUM < ").Append(_skip + _limit + 1);
if (sbnav.Length > 0)
sb.Append(" \r\nWHERE ").Append(sbnav.Remove(0, 5));
if (string.IsNullOrEmpty(_groupby) == false)
{
sb.Append(_groupby);
if (string.IsNullOrEmpty(_having) == false)
sb.Append(" \r\nHAVING ").Append(_having.Substring(5));
}
sb.Append(_orderby);
if (string.IsNullOrEmpty(_orderby))
{
if (_skip > 0)
sb.Insert(0, "SELECT t.* FROM (").Append(") t WHERE t.\"__rownum__\" > ").Append(_skip);
}
else
{
if (_skip > 0 && _limit > 0) sb.Insert(0, "SELECT t.* FROM (SELECT rt.*, ROWNUM AS \"__rownum__\" FROM (").Append(") rt WHERE ROWNUM < ").Append(_skip + _limit + 1).Append(") t WHERE t.\"__rownum__\" > ").Append(_skip);
else if (_skip > 0) sb.Insert(0, "SELECT t.* FROM (").Append(") t WHERE ROWNUM > ").Append(_skip);
else if (_limit > 0) sb.Insert(0, "SELECT t.* FROM (").Append(") t WHERE ROWNUM < ").Append(_limit + 1);
}
sbnav.Clear();
if (tbUnionsGt0) sb.Append(") ftb");
}
return sb.ToString();
}
public OdbcOracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override ISelect<T1, T2> From<T2>(Expression<Func<ISelectFromExpression<T1>, T2, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3> From<T2, T3>(Expression<Func<ISelectFromExpression<T1>, T2, T3, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4> From<T2, T3, T4>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5> From<T2, T3, T4, T5>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6> From<T2, T3, T4, T5, T6>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5, T6>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7> From<T2, T3, T4, T5, T6, T7>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5, T6, T7>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8> From<T2, T3, T4, T5, T6, T7, T8>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> From<T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> From<T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(_orm, _commonUtils, _commonExpression, null); OdbcOracleSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override string ToSql(string field = null) => ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2> : FreeSql.Internal.CommonProvider.Select2Provider<T1, T2> where T1 : class where T2 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3> : FreeSql.Internal.CommonProvider.Select3Provider<T1, T2, T3> where T1 : class where T2 : class where T3 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4> : FreeSql.Internal.CommonProvider.Select4Provider<T1, T2, T3, T4> where T1 : class where T2 : class where T3 : class where T4 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5> : FreeSql.Internal.CommonProvider.Select5Provider<T1, T2, T3, T4, T5> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6> : FreeSql.Internal.CommonProvider.Select6Provider<T1, T2, T3, T4, T5, T6> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6, T7> : FreeSql.Internal.CommonProvider.Select7Provider<T1, T2, T3, T4, T5, T6, T7> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8> : FreeSql.Internal.CommonProvider.Select8Provider<T1, T2, T3, T4, T5, T6, T7, T8> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> : FreeSql.Internal.CommonProvider.Select9Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OracleSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> : FreeSql.Internal.CommonProvider.Select10Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class
{
public OracleSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcOracleSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
}

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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleUpdate<T1> : Internal.CommonProvider.UpdateProvider<T1> where T1 : class
{
public OdbcOracleUpdate(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
: base(orm, commonUtils, commonExpression, dywhere)
{
}
public override int ExecuteAffrows() => base.SplitExecuteAffrows(200, 999);
public override Task<int> ExecuteAffrowsAsync() => base.SplitExecuteAffrowsAsync(200, 999);
public override List<T1> ExecuteUpdated() => base.SplitExecuteUpdated(200, 999);
public override Task<List<T1>> ExecuteUpdatedAsync() => base.SplitExecuteUpdatedAsync(200, 999);
protected override List<T1> RawExecuteUpdated()
{
throw new NotImplementedException();
}
protected override Task<List<T1>> RawExecuteUpdatedAsync()
{
throw new NotImplementedException();
}
protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys)
{
if (_table.Primarys.Length == 1)
{
caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
return;
}
caseWhen.Append("(");
var pkidx = 0;
foreach (var pk in _table.Primarys)
{
if (pkidx > 0) caseWhen.Append(" || ");
caseWhen.Append(_commonUtils.QuoteReadColumn(pk.Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
++pkidx;
}
caseWhen.Append(")");
}
protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d)
{
if (_table.Primarys.Length == 1)
{
sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
return;
}
sb.Append("(");
var pkidx = 0;
foreach (var pk in _table.Primarys)
{
if (pkidx > 0) sb.Append(" || ");
sb.Append(_commonUtils.FormatSql("{0}", pk.GetMapValue(d)));
++pkidx;
}
sb.Append(")");
}
}
}

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Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleAdo.cs Normal file
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using FreeSql.Internal;
using SafeObjectPool;
using System;
using System.Collections;
using System.Data.Common;
using System.Data.Odbc;
using System.Text;
using System.Threading;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleAdo : FreeSql.Internal.CommonProvider.AdoProvider
{
public OdbcOracleAdo() : base(DataType.Oracle) { }
public OdbcOracleAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings) : base(DataType.Oracle)
{
base._util = util;
if (!string.IsNullOrEmpty(masterConnectionString))
MasterPool = new OdbcOracleConnectionPool("主库", masterConnectionString, null, null);
if (slaveConnectionStrings != null)
{
foreach (var slaveConnectionString in slaveConnectionStrings)
{
var slavePool = new OdbcOracleConnectionPool($"从库{SlavePools.Count + 1}", slaveConnectionString, () => Interlocked.Decrement(ref slaveUnavailables), () => Interlocked.Increment(ref slaveUnavailables));
SlavePools.Add(slavePool);
}
}
}
static DateTime dt1970 = new DateTime(1970, 1, 1);
public override object AddslashesProcessParam(object param, Type mapType)
{
if (param == null) return "NULL";
if (mapType != null && mapType != param.GetType())
param = Utils.GetDataReaderValue(mapType, param);
if (param is bool || param is bool?)
return (bool)param ? 1 : 0;
else if (param is string || param is char)
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
else if (param is Enum)
return ((Enum)param).ToInt64();
else if (decimal.TryParse(string.Concat(param), out var trydec))
return param;
else if (param is DateTime || param is DateTime?)
return string.Concat("to_timestamp('", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss.ffffff"), "','YYYY-MM-DD HH24:MI:SS.FF6')");
else if (param is TimeSpan || param is TimeSpan?)
return $"numtodsinterval({((TimeSpan)param).Ticks * 1.0 / 10000000},'second')";
else if (param is IEnumerable)
{
var sb = new StringBuilder();
var ie = param as IEnumerable;
foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
}
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
//if (param is string) return string.Concat('N', nparms[a]);
}
protected override DbCommand CreateCommand()
{
return new OdbcCommand();
}
protected override void ReturnConnection(ObjectPool<DbConnection> pool, Object<DbConnection> conn, Exception ex)
{
(pool as OdbcOracleConnectionPool).Return(conn, ex);
}
protected override DbParameter[] GetDbParamtersByObject(string sql, object obj) => _util.GetDbParamtersByObject(sql, obj);
}
}

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Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleConnectionPool.cs Normal file
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using SafeObjectPool;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Data.Odbc;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleConnectionPool : ObjectPool<DbConnection>
{
internal Action availableHandler;
internal Action unavailableHandler;
internal string UserId { get; set; }
public OdbcOracleConnectionPool(string name, string connectionString, Action availableHandler, Action unavailableHandler) : base(null)
{
var userIdMatch = Regex.Match(connectionString, @"(User\s+Id|Uid)\s*=\s*([^;]+)", RegexOptions.IgnoreCase);
if (userIdMatch.Success == false) throw new Exception(@"从 ConnectionString 中无法匹配 (User\s+Id|Uid)\s*=\s*([^;]+)");
this.UserId = userIdMatch.Groups[2].Value.Trim().ToUpper();
var policy = new OdbcOracleConnectionPoolPolicy
{
_pool = this,
Name = name
};
this.Policy = policy;
policy.ConnectionString = connectionString;
this.availableHandler = availableHandler;
this.unavailableHandler = unavailableHandler;
}
public void Return(Object<DbConnection> obj, Exception exception, bool isRecreate = false)
{
if (exception != null && exception is OdbcException)
{
if (exception is System.IO.IOException)
{
base.SetUnavailable(exception);
}
else if (obj.Value.Ping() == false)
{
base.SetUnavailable(exception);
}
}
base.Return(obj, isRecreate);
}
}
class OdbcOracleConnectionPoolPolicy : IPolicy<DbConnection>
{
internal OdbcOracleConnectionPool _pool;
public string Name { get; set; } = "Oracle OdbcConnection 对象池";
public int PoolSize { get; set; } = 100;
public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
public int AsyncGetCapacity { get; set; } = 10000;
public bool IsThrowGetTimeoutException { get; set; } = true;
public int CheckAvailableInterval { get; set; } = 5;
static ConcurrentDictionary<string, int> dicConnStrIncr = new ConcurrentDictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
private string _connectionString;
public string ConnectionString
{
get => _connectionString;
set
{
_connectionString = value ?? "";
var pattern = @"Max\s*pool\s*size\s*=\s*(\d+)";
Match m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success == false || int.TryParse(m.Groups[1].Value, out var poolsize) == false || poolsize <= 0) poolsize = 100;
var connStrIncr = dicConnStrIncr.AddOrUpdate(_connectionString, 1, (oldkey, oldval) => oldval + 1);
PoolSize = poolsize + connStrIncr;
_connectionString = m.Success ?
Regex.Replace(_connectionString, pattern, $"Max pool size={PoolSize}", RegexOptions.IgnoreCase) :
$"{_connectionString};Max pool size={PoolSize}";
pattern = @"Connection\s*LifeTime\s*=\s*(\d+)";
m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success)
{
IdleTimeout = TimeSpan.FromSeconds(int.Parse(m.Groups[1].Value));
_connectionString = Regex.Replace(_connectionString, pattern, "", RegexOptions.IgnoreCase);
}
var minPoolSize = 0;
pattern = @"Min\s*pool\s*size\s*=\s*(\d+)";
m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success)
{
minPoolSize = int.Parse(m.Groups[1].Value);
_connectionString = Regex.Replace(_connectionString, pattern, "", RegexOptions.IgnoreCase);
}
FreeSql.Internal.CommonUtils.PrevReheatConnectionPool(_pool, minPoolSize);
}
}
public bool OnCheckAvailable(Object<DbConnection> obj)
{
if (obj.Value.State == ConnectionState.Closed) obj.Value.Open();
return obj.Value.Ping(true);
}
public DbConnection OnCreate()
{
var conn = new OdbcConnection(_connectionString);
return conn;
}
public void OnDestroy(DbConnection obj)
{
if (obj.State != ConnectionState.Closed) obj.Close();
obj.Dispose();
}
public void OnGet(Object<DbConnection> obj)
{
if (_pool.IsAvailable)
{
if (obj.Value == null)
{
if (_pool.SetUnavailable(new Exception("连接字符串错误")) == true)
throw new Exception($"【{this.Name}】连接字符串错误，请检查。");
return;
}
if (obj.Value.State != ConnectionState.Open || DateTime.Now.Subtract(obj.LastReturnTime).TotalSeconds > 60 && obj.Value.Ping() == false)
{
try
{
obj.Value.Open();
}
catch (Exception ex)
{
if (_pool.SetUnavailable(ex) == true)
throw new Exception($"【{this.Name}】状态不可用，等待后台检查程序恢复方可使用。{ex.Message}");
}
}
}
}
async public Task OnGetAsync(Object<DbConnection> obj)
{
if (_pool.IsAvailable)
{
if (obj.Value == null)
{
if (_pool.SetUnavailable(new Exception("连接字符串错误")) == true)
throw new Exception($"【{this.Name}】连接字符串错误，请检查。");
return;
}
if (obj.Value.State != ConnectionState.Open || DateTime.Now.Subtract(obj.LastReturnTime).TotalSeconds > 60 && (await obj.Value.PingAsync()) == false)
{
try
{
await obj.Value.OpenAsync();
}
catch (Exception ex)
{
if (_pool.SetUnavailable(ex) == true)
throw new Exception($"【{this.Name}】状态不可用，等待后台检查程序恢复方可使用。{ex.Message}");
}
}
}
}
public void OnGetTimeout()
{
}
public void OnReturn(Object<DbConnection> obj)
{
}
public void OnAvailable()
{
_pool.availableHandler?.Invoke();
}
public void OnUnavailable()
{
_pool.unavailableHandler?.Invoke();
}
}
static class DbConnectionExtensions
{
static DbCommand PingCommand(DbConnection conn)
{
var cmd = conn.CreateCommand();
cmd.CommandTimeout = 5;
cmd.CommandText = "select 1 from dual";
return cmd;
}
public static bool Ping(this DbConnection that, bool isThrow = false)
{
try
{
PingCommand(that).ExecuteNonQuery();
return true;
}
catch
{
if (that.State != ConnectionState.Closed) try { that.Close(); } catch { }
if (isThrow) throw;
return false;
}
}
async public static Task<bool> PingAsync(this DbConnection that, bool isThrow = false)
{
try
{
await PingCommand(that).ExecuteNonQueryAsync();
return true;
}
catch
{
if (that.State != ConnectionState.Closed) try { that.Close(); } catch { }
if (isThrow) throw;
return false;
}
}
}
}

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Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleCodeFirst.cs Normal file
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using FreeSql.DataAnnotations;
using FreeSql.DatabaseModel;
using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Data.Odbc;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleCodeFirst : Internal.CommonProvider.CodeFirstProvider
{
public override bool IsNoneCommandParameter { get => true; set => base.IsNoneCommandParameter = true; }
public OdbcOracleCodeFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression) : base(orm, commonUtils, commonExpression) { }
static object _dicCsToDbLock = new object();
static Dictionary<string, (OdbcType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)> _dicCsToDb = new Dictionary<string, (OdbcType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)>() {
{ typeof(bool).FullName, (OdbcType.Bit, "number","number(1) NOT NULL", null, false, false) },{ typeof(bool?).FullName, (OdbcType.Bit, "number","number(1) NULL", null, true, null) },
{ typeof(sbyte).FullName, (OdbcType.SmallInt, "number", "number(4) NOT NULL", false, false, 0) },{ typeof(sbyte?).FullName, (OdbcType.SmallInt, "number", "number(4) NULL", false, true, null) },
{ typeof(short).FullName, (OdbcType.SmallInt, "number","number(6) NOT NULL", false, false, 0) },{ typeof(short?).FullName, (OdbcType.SmallInt, "number", "number(6) NULL", false, true, null) },
{ typeof(int).FullName, (OdbcType.Int, "number", "number(11) NOT NULL", false, false, 0) },{ typeof(int?).FullName, (OdbcType.Int, "number", "number(11) NULL", false, true, null) },
{ typeof(long).FullName, (OdbcType.BigInt, "number","number(21) NOT NULL", false, false, 0) },{ typeof(long?).FullName, (OdbcType.BigInt, "number","number(21) NULL", false, true, null) },
{ typeof(byte).FullName, (OdbcType.TinyInt, "number","number(3) NOT NULL", true, false, 0) },{ typeof(byte?).FullName, (OdbcType.TinyInt, "number","number(3) NULL", true, true, null) },
{ typeof(ushort).FullName, (OdbcType.Int, "number","number(5) NOT NULL", true, false, 0) },{ typeof(ushort?).FullName, (OdbcType.Int, "number", "number(5) NULL", true, true, null) },
{ typeof(uint).FullName, (OdbcType.BigInt, "number", "number(10) NOT NULL", true, false, 0) },{ typeof(uint?).FullName, (OdbcType.BigInt, "number", "number(10) NULL", true, true, null) },
{ typeof(ulong).FullName, (OdbcType.Decimal, "number", "number(20) NOT NULL", true, false, 0) },{ typeof(ulong?).FullName, (OdbcType.Decimal, "number", "number(20) NULL", true, true, null) },
{ typeof(double).FullName, (OdbcType.Double, "float", "float(126) NOT NULL", false, false, 0) },{ typeof(double?).FullName, (OdbcType.Double, "float", "float(126) NULL", false, true, null) },
{ typeof(float).FullName, (OdbcType.Real, "float","float(63) NOT NULL", false, false, 0) },{ typeof(float?).FullName, (OdbcType.Real, "float","float(63) NULL", false, true, null) },
{ typeof(decimal).FullName, (OdbcType.Decimal, "number", "number(10,2) NOT NULL", false, false, 0) },{ typeof(decimal?).FullName, (OdbcType.Decimal, "number", "number(10,2) NULL", false, true, null) },
//{ typeof(TimeSpan).FullName, (OdbcType.Time, "interval day to second","interval day(2) to second(6) NOT NULL", false, false, 0) },{ typeof(TimeSpan?).FullName, (OdbcType.Time, "interval day to second", "interval day(2) to second(6) NULL",false, true, null) },
{ typeof(DateTime).FullName, (OdbcType.DateTime, "timestamp", "timestamp(6) NOT NULL", false, false, new DateTime(1970,1,1)) },{ typeof(DateTime?).FullName, (OdbcType.DateTime, "timestamp", "timestamp(6) NULL", false, true, null) },
{ typeof(DateTimeOffset).FullName, (OdbcType.DateTime, "timestamp with local time zone", "timestamp(6) with local time zone NOT NULL", false, false, new DateTime(1970,1,1)) },{ typeof(DateTimeOffset?).FullName, (OdbcType.DateTime, "timestamp with local time zone", "timestamp(6) with local time zone NULL", false, true, null) },
{ typeof(byte[]).FullName, (OdbcType.VarBinary, "blob", "blob NULL", false, null, new byte[0]) },
{ typeof(string).FullName, (OdbcType.NVarChar, "nvarchar2", "nvarchar2(255) NULL", false, null, "") },
{ typeof(Guid).FullName, (OdbcType.Char, "char", "char(36 CHAR) NOT NULL", false, false, Guid.Empty) },{ typeof(Guid?).FullName, (OdbcType.Char, "char", "char(36 CHAR) NULL", false, true, null) },
};
public override (int type, string dbtype, string dbtypeFull, bool? isnullable, object defaultValue)? GetDbInfo(Type type)
{
if (_dicCsToDb.TryGetValue(type.FullName, out var trydc)) return new (int, string, string, bool?, object)?(((int)trydc.type, trydc.dbtype, trydc.dbtypeFull, trydc.isnullable, trydc.defaultValue));
if (type.IsArray) return null;
var enumType = type.IsEnum ? type : null;
if (enumType == null && type.IsNullableType() && type.GenericTypeArguments.Length == 1 && type.GenericTypeArguments.First().IsEnum) enumType = type.GenericTypeArguments.First();
if (enumType != null)
{
var newItem = enumType.GetCustomAttributes(typeof(FlagsAttribute), false).Any() ?
(OdbcType.Int, "number", $"number(16){(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0)) :
(OdbcType.BigInt, "number", $"number(32){(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0));
if (_dicCsToDb.ContainsKey(type.FullName) == false)
{
lock (_dicCsToDbLock)
{
if (_dicCsToDb.ContainsKey(type.FullName) == false)
_dicCsToDb.Add(type.FullName, newItem);
}
}
return ((int)newItem.Item1, newItem.Item2, newItem.Item3, newItem.Item5, newItem.Item6);
}
return null;
}
public override string GetComparisonDDLStatements(params Type[] entityTypes)
{
var userId = (_orm.Ado.MasterPool as OdbcOracleConnectionPool).UserId;
var seqcols = new List<(ColumnInfo, string[], bool)>(); //序列：列，表，自增
var seqnameDel = new List<string>(); //要删除的序列+触发器
var sb = new StringBuilder();
var sbDeclare = new StringBuilder();
foreach (var entityType in entityTypes)
{
if (sb.Length > 0) sb.Append("\r\n");
var tb = _commonUtils.GetTableByEntity(entityType);
if (tb == null) throw new Exception($"类型 {entityType.FullName} 不可迁移");
if (tb.Columns.Any() == false) throw new Exception($"类型 {entityType.FullName} 不可迁移，可迁移属性0个");
var tbname = tb.DbName.Split(new[] { '.' }, 2);
if (tbname?.Length == 1) tbname = new[] { userId, tbname[0] };
var tboldname = tb.DbOldName?.Split(new[] { '.' }, 2); //旧表名
if (tboldname?.Length == 1) tboldname = new[] { userId, tboldname[0] };
var primaryKeyName = entityType.GetCustomAttribute<OraclePrimaryKeyNameAttribute>()?.Name;
if (string.Compare(tbname[0], userId) != 0 && _orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(" select 1 from sys.dba_users where username={0}", tbname[0])) == null) //创建数据库
throw new NotImplementedException($"Oracle CodeFirst 不支持代码创建 tablespace 与 schemas {tbname[0]}");
var sbalter = new StringBuilder();
var istmpatler = false; //创建临时表，导入数据，删除旧表，修改
if (_orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(" select 1 from all_tab_comments where owner={0} and table_name={1}", tbname)) == null)
{ //表不存在
if (tboldname != null)
{
if (_orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(" select 1 from all_tab_comments where owner={0} and table_name={1}", tboldname)) == null)
//模式或表不存在
tboldname = null;
}
if (tboldname == null)
{
//创建表
sb.Append("execute immediate 'CREATE TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ( ");
foreach (var tbcol in tb.ColumnsByPosition)
{
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType).Append(",");
if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, true));
}
if (tb.Primarys.Any())
{
var pkname = primaryKeyName ?? $"{tbname[0]}_{tbname[1]}_pk1";
sb.Append(" \r\n CONSTRAINT ").Append(pkname).Append(" PRIMARY KEY (");
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
foreach (var uk in tb.Uniques)
{
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE (");
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
sb.Remove(sb.Length - 1, 1);
sb.Append("\r\n) \r\nLOGGING \r\nNOCOMPRESS \r\nNOCACHE\r\n';\r\n");
//备注
foreach (var tbcol in tb.ColumnsByPosition)
{
if (string.IsNullOrEmpty(tbcol.Comment) == false)
sb.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment).Replace("'", "''")).Append("';\r\n");
}
continue;
}
//如果新表，旧表在一个模式下，直接修改表名
if (string.Compare(tbname[0], tboldname[0], true) == 0)
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}")).Append(" RENAME TO ").Append(_commonUtils.QuoteSqlName($"{tbname[1]}")).Append("';\r\n");
else
{
//如果新表，旧表不在一起，创建新表，导入数据，删除旧表
istmpatler = true;
}
}
else
tboldname = null; //如果新表已经存在，不走改表名逻辑
//对比字段，只可以修改类型、增加字段、有限的修改字段名；保证安全不删除字段
var sql = _commonUtils.FormatSql($@"
select
a.column_name,
a.data_type,
a.data_length,
a.data_precision,
a.data_scale,
a.char_used,
case when a.nullable = 'Y' then 1 else 0 end,
nvl((select 1 from user_sequences where sequence_name='{Utils.GetCsName((tboldname ?? tbname).Last())}_seq_'||a.column_name), 0),
nvl((select 1 from user_triggers where trigger_name='{Utils.GetCsName((tboldname ?? tbname).Last())}_seq_'||a.column_name||'TI'), 0),
b.comments
from all_tab_columns a
left join all_col_comments b on b.owner = a.owner and b.table_name = a.table_name and b.column_name = a.column_name
where a.owner={{0}} and a.table_name={{1}}", tboldname ?? tbname);
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
var tbstruct = ds.ToDictionary(a => string.Concat(a[0]), a =>
{
var sqlType = GetOracleSqlTypeFullName(a);
return new
{
column = string.Concat(a[0]),
sqlType,
is_nullable = string.Concat(a[6]) == "1",
is_identity = string.Concat(a[7]) == "1" && string.Concat(a[8]) == "1",
comment = string.Concat(a[9])
};
}, StringComparer.CurrentCultureIgnoreCase);
if (istmpatler == false)
{
foreach (var tbcol in tb.ColumnsByPosition)
{
var dbtypeNoneNotNull = Regex.Replace(tbcol.Attribute.DbType, @"NOT\s+NULL", "NULL");
if (tbstruct.TryGetValue(tbcol.Attribute.Name, out var tbstructcol) ||
string.IsNullOrEmpty(tbcol.Attribute.OldName) == false && tbstruct.TryGetValue(tbcol.Attribute.OldName, out tbstructcol))
{
var isCommentChanged = tbstructcol.comment != (tbcol.Comment ?? "");
if (tbcol.Attribute.DbType.StartsWith(tbstructcol.sqlType, StringComparison.CurrentCultureIgnoreCase) == false)
istmpatler = true;
//sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" MODIFY (").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" ").Append(dbtypeNoneNotNull).Append(")';\r\n");
if (tbcol.Attribute.IsNullable != tbstructcol.is_nullable)
{
if (tbcol.Attribute.IsNullable == false)
sbalter.Append("execute immediate 'UPDATE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" SET ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" = ").Append(_commonUtils.FormatSql("{0}", tbcol.Attribute.DbDefautValue).Replace("'", "''")).Append(" WHERE ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" IS NULL';\r\n");
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" MODIFY ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" ").Append(tbcol.Attribute.IsNullable == true ? "" : "NOT").Append(" NULL';\r\n");
}
if (string.Compare(tbstructcol.column, tbcol.Attribute.OldName, true) == 0)
{
if (tbstructcol.is_identity)
seqnameDel.Add(Utils.GetCsName($"{tbname[1]}_seq_{tbstructcol.column}"));
//修改列名
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" RENAME COLUMN ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" TO ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append("';\r\n");
if (tbcol.Attribute.IsIdentity)
seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
}
else if (tbcol.Attribute.IsIdentity != tbstructcol.is_identity)
seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
if (isCommentChanged)
sbalter.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? "").Replace("'", "''")).Append("';\r\n");
continue;
}
//添加列
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD (").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(dbtypeNoneNotNull).Append(")';\r\n");
if (tbcol.Attribute.IsNullable == false)
{
sbalter.Append("execute immediate 'UPDATE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" SET ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" = ").Append(_commonUtils.FormatSql("{0}", tbcol.Attribute.DbDefautValue).Replace("'", "''")).Append("';\r\n");
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" MODIFY ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" NOT NULL';\r\n");
}
if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
if (string.IsNullOrEmpty(tbcol.Comment) == false) sbalter.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? "").Replace("'", "''")).Append("';\r\n");
}
var dsuksql = _commonUtils.FormatSql(@"
select
c.column_name,
c.constraint_name
from
all_constraints a,
all_cons_columns c
where
a.constraint_name = c.constraint_name
and a.owner = c.owner
and a.table_name = c.table_name
and a.constraint_type in ('U')
and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
foreach (var uk in tb.Uniques)
{
if (string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count)
{
if (dsukfind1.Any()) sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" DROP CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("';\r\n");
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sbalter.Remove(sbalter.Length - 2, 2).Append(")';\r\n");
}
}
}
if (istmpatler == false)
{
sb.Append(sbalter);
continue;
}
var oldpk = _orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(@"select constraint_name from user_constraints where owner={0} and table_name={1} and constraint_type='P'", tbname))?.ToString();
if (string.IsNullOrEmpty(oldpk) == false)
sb.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" DROP CONSTRAINT ").Append(oldpk).Append("';\r\n");
//创建临时表，数据导进临时表，然后删除原表，将临时表改名为原表名
var tablename = tboldname == null ? _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}") : _commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}");
var tmptablename = _commonUtils.QuoteSqlName($"{tbname[0]}.FTmp_{tbname[1]}");
//创建临时表
sb.Append("execute immediate 'CREATE TABLE ").Append(tmptablename).Append(" ( ");
foreach (var tbcol in tb.ColumnsByPosition)
{
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType).Append(",");
if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, true));
}
if (tb.Primarys.Any())
{
var pkname = primaryKeyName ?? $"{tbname[0]}_{tbname[1]}_pk2";
sb.Append(" \r\n CONSTRAINT ").Append(pkname).Append(" PRIMARY KEY (");
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
foreach (var uk in tb.Uniques)
{
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE (");
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
sb.Remove(sb.Length - 1, 1);
sb.Append("\r\n) LOGGING \r\nNOCOMPRESS \r\nNOCACHE\r\n';\r\n");
//备注
foreach (var tbcol in tb.ColumnsByPosition)
{
if (string.IsNullOrEmpty(tbcol.Comment) == false)
sb.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.FTmp_{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment).Replace("'", "''")).Append("';\r\n");
}
sb.Append("execute immediate 'INSERT INTO ").Append(tmptablename).Append(" (");
foreach (var tbcol in tb.ColumnsByPosition)
sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append(")\r\nSELECT ");
foreach (var tbcol in tb.ColumnsByPosition)
{
var insertvalue = "NULL";
if (tbstruct.TryGetValue(tbcol.Attribute.Name, out var tbstructcol) ||
string.IsNullOrEmpty(tbcol.Attribute.OldName) == false && tbstruct.TryGetValue(tbcol.Attribute.OldName, out tbstructcol))
{
insertvalue = _commonUtils.QuoteSqlName(tbstructcol.column);
if (tbcol.Attribute.DbType.StartsWith(tbstructcol.sqlType, StringComparison.CurrentCultureIgnoreCase) == false)
{
var dbtypeNoneNotNull = Regex.Replace(tbcol.Attribute.DbType, @"(NOT\s+)?NULL", "");
insertvalue = $"cast({insertvalue} as {dbtypeNoneNotNull})";
}
if (tbcol.Attribute.IsNullable != tbstructcol.is_nullable)
insertvalue = $"nvl({insertvalue},{_commonUtils.FormatSql("{0}", tbcol.Attribute.DbDefautValue)})";
}
else if (tbcol.Attribute.IsNullable == false)
insertvalue = _commonUtils.FormatSql("{0}", tbcol.Attribute.DbDefautValue);
sb.Append(insertvalue.Replace("'", "''")).Append(", ");
}
sb.Remove(sb.Length - 2, 2).Append(" FROM ").Append(tablename).Append("';\r\n");
sb.Append("execute immediate 'DROP TABLE ").Append(tablename).Append("';\r\n");
sb.Append("execute immediate 'ALTER TABLE ").Append(tmptablename).Append(" RENAME TO ").Append(_commonUtils.QuoteSqlName($"{tbname[1]}")).Append("';\r\n");
}
Dictionary<string, bool> dicDeclare = new Dictionary<string, bool>();
Action<string> dropSequence = seqname =>
{
if (dicDeclare.ContainsKey(seqname) == false)
{
sbDeclare.Append("\r\n").Append(seqname).Append("IS NUMBER; \r\n");
dicDeclare.Add(seqname, true);
}
sb.Append(seqname).Append("IS := 0; \r\n")
.Append(" select count(1) into ").Append(seqname).Append(_commonUtils.FormatSql("IS from user_sequences where sequence_name={0}; \r\n", seqname))
.Append("if ").Append(seqname).Append("IS > 0 then \r\n")
.Append(" execute immediate 'DROP SEQUENCE ").Append(_commonUtils.QuoteSqlName(seqname)).Append("';\r\n")
.Append("end if; \r\n");
};
Action<string> dropTrigger = tiggerName =>
{
if (dicDeclare.ContainsKey(tiggerName) == false)
{
sbDeclare.Append("\r\n").Append(tiggerName).Append("IS NUMBER; \r\n");
dicDeclare.Add(tiggerName, true);
}
sb.Append(tiggerName).Append("IS := 0; \r\n")
.Append(" select count(1) into ").Append(tiggerName).Append(_commonUtils.FormatSql("IS from user_triggers where trigger_name={0}; \r\n", tiggerName))
.Append("if ").Append(tiggerName).Append("IS > 0 then \r\n")
.Append(" execute immediate 'DROP TRIGGER ").Append(_commonUtils.QuoteSqlName(tiggerName)).Append("';\r\n")
.Append("end if; \r\n");
};
foreach (var seqname in seqnameDel)
{
dropSequence(seqname);
dropTrigger(seqname + "TI");
}
foreach (var seqcol in seqcols)
{
var tbname = seqcol.Item2;
var seqname = Utils.GetCsName($"{tbname[1]}_seq_{seqcol.Item1.Attribute.Name}");
var tiggerName = seqname + "TI";
var tbname2 = _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}");
var colname2 = _commonUtils.QuoteSqlName(seqcol.Item1.Attribute.Name);
dropSequence(seqname);
if (seqcol.Item3)
{
var startWith = _orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(" select 1 from all_tab_columns where owner={0} and table_name={1} and column_name={2}", tbname[0], tbname[1], colname2)) == null ? 1 :
_orm.Ado.ExecuteScalar(CommandType.Text, $" select nvl(max({colname2})+1,1) from {tbname2}");
sb.Append("execute immediate 'CREATE SEQUENCE ").Append(_commonUtils.QuoteSqlName(seqname)).Append(" start with ").Append(startWith).Append("';\r\n");
sb.Append("execute immediate 'CREATE OR REPLACE TRIGGER ").Append(_commonUtils.QuoteSqlName(tiggerName))
.Append(" \r\nbefore insert on ").Append(tbname2)
.Append(" \r\nfor each row \r\nbegin\r\nselect ").Append(_commonUtils.QuoteSqlName(seqname))
.Append(".nextval into :new.").Append(colname2).Append(" from dual;\r\nend;';\r\n");
}
else
dropTrigger(tiggerName);
}
if (sbDeclare.Length > 0) sbDeclare.Insert(0, "declare ");
return sb.Length == 0 ? null : sb.Insert(0, "BEGIN \r\n").Insert(0, sbDeclare.ToString()).Append("END;").ToString();
}
internal static string GetOracleSqlTypeFullName(object[] row)
{
var a = row;
var sqlType = string.Concat(a[1]).ToUpper();
var data_length = long.Parse(string.Concat(a[2]));
long.TryParse(string.Concat(a[3]), out var data_precision);
long.TryParse(string.Concat(a[4]), out var data_scale);
var char_used = string.Concat(a[5]);
if (Regex.IsMatch(sqlType, @"INTERVAL DAY\(\d+\) TO SECOND\(\d+\)", RegexOptions.IgnoreCase))
{
}
else if (Regex.IsMatch(sqlType, @"INTERVAL YEAR\(\d+\) TO MONTH", RegexOptions.IgnoreCase))
{
}
else if (sqlType.StartsWith("TIMESTAMP", StringComparison.CurrentCultureIgnoreCase))
{
}
else if (sqlType.StartsWith("BLOB"))
{
}
else if (char_used.ToLower() == "c")
sqlType += sqlType.StartsWith("N") ? $"({data_length / 2})" : $"({data_length / 4} CHAR)";
else if (char_used.ToLower() == "b")
sqlType += $"({data_length} BYTE)";
else if (sqlType.ToLower() == "float")
sqlType += $"({data_precision})";
else if (data_precision > 0 && data_scale > 0)
sqlType += $"({data_precision},{data_scale})";
else if (data_precision > 0)
sqlType += $"({data_precision})";
else
sqlType += $"({data_length})";
return sqlType;
}
}
}

484
Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleDbFirst.cs Normal file
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@@ -0,0 +1,484 @@
using FreeSql.DatabaseModel;
using FreeSql.Internal;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Data.Odbc;
using System.Linq;
using System.Text.RegularExpressions;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleDbFirst : IDbFirst
{
IFreeSql _orm;
protected CommonUtils _commonUtils;
protected CommonExpression _commonExpression;
public OdbcOracleDbFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
{
_orm = orm;
_commonUtils = commonUtils;
_commonExpression = commonExpression;
}
public int GetDbType(DbColumnInfo column) => (int)GetSqlDbType(column);
OdbcType GetSqlDbType(DbColumnInfo column)
{
var dbfull = column.DbTypeTextFull.ToLower();
switch (dbfull)
{
case "number(1)": return OdbcType.Bit;
case "number(4)": return OdbcType.SmallInt;
case "number(6)": return OdbcType.SmallInt;
case "number(11)": return OdbcType.Int;
case "number(21)": return OdbcType.BigInt;
case "number(3)": return OdbcType.TinyInt;
case "number(5)": return OdbcType.SmallInt;
case "number(10)": return OdbcType.BigInt;
case "number(20)": return OdbcType.Decimal;
case "float(126)": return OdbcType.Double;
case "float(63)": return OdbcType.Real;
case "number(10,2)": return OdbcType.Decimal;
case "interval day(2) to second(6)": return OdbcType.Time;
case "timestamp(6)": return OdbcType.DateTime;
case "timestamp(6) with local time zone": return OdbcType.DateTime;
case "blob": return OdbcType.VarBinary;
case "nvarchar2(255)": return OdbcType.NVarChar;
case "char(36 char)": return OdbcType.Char;
}
switch (column.DbTypeText.ToLower())
{
case "number":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(10,2)"]);
return OdbcType.Decimal;
case "float":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(126)"]);
return OdbcType.Double;
case "interval day to second":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["interval day(2) to second(6)"]);
return OdbcType.Time;
case "date":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["date(7)"]);
return OdbcType.DateTime;
case "timestamp":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["timestamp(6)"]);
return OdbcType.DateTime;
case "timestamp with local time zone":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["timestamp(6) with local time zone"]);
return OdbcType.DateTime;
case "blob":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
return OdbcType.VarBinary;
case "nvarchar2":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OdbcType.NVarChar;
case "varchar2":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OdbcType.NVarChar;
case "char":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OdbcType.Char;
case "nchar":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OdbcType.NChar;
case "clob":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OdbcType.NVarChar;
case "nclob":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OdbcType.NVarChar;
case "raw":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
return OdbcType.VarBinary;
case "long raw":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
return OdbcType.VarBinary;
case "binary_float":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(63)"]);
return OdbcType.Real;
case "binary_double":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(126)"]);
return OdbcType.Double;
case "rowid":
default:
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OdbcType.NVarChar;
}
throw new NotImplementedException($"未实现 {column.DbTypeTextFull} 类型映射");
}
static ConcurrentDictionary<string, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)> _dicDbToCs = new ConcurrentDictionary<string, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)>(StringComparer.CurrentCultureIgnoreCase);
static OdbcOracleDbFirst()
{
var defaultDbToCs = new Dictionary<string, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)>() {
{ "number(1)", ("(bool?)", "{0} == \"1\"", "{0} == true ? \"1\" : \"0\"", "bool?", typeof(bool), typeof(bool?), "{0}.Value", "GetBoolean") },
{ "number(4)", ("(sbyte?)", "sbyte.Parse({0})", "{0}.ToString()", "sbyte?", typeof(sbyte), typeof(sbyte?), "{0}.Value", "GetInt16") },
{ "number(6)", ("(short?)", "short.Parse({0})", "{0}.ToString()", "short?", typeof(short), typeof(short?), "{0}.Value", "GetInt16") },
{ "number(11)", ("(int?)", "int.Parse({0})", "{0}.ToString()", "int?", typeof(int), typeof(int?), "{0}.Value", "GetInt32") },
{ "number(21)", ("(long?)", "long.Parse({0})", "{0}.ToString()", "long?", typeof(long), typeof(long?), "{0}.Value", "GetInt64") },
{ "number(3)", ("(byte?)", "byte.Parse({0})", "{0}.ToString()", "byte?", typeof(byte), typeof(byte?), "{0}.Value", "GetByte") },
{ "number(5)", ("(ushort?)", "ushort.Parse({0})", "{0}.ToString()", "ushort?", typeof(ushort), typeof(ushort?), "{0}.Value", "GetInt32") },
{ "number(10)", ("(uint?)", "uint.Parse({0})", "{0}.ToString()", "uint?", typeof(uint), typeof(uint?), "{0}.Value", "GetInt64") },
{ "number(20)", ("(ulong?)", "ulong.Parse({0})", "{0}.ToString()", "ulong?", typeof(ulong), typeof(ulong?), "{0}.Value", "GetDecimal") },
{ "float(126)", ("(double?)", "double.Parse({0})", "{0}.ToString()", "double?", typeof(double), typeof(double?), "{0}.Value", "GetDouble") },
{ "float(63)", ("(float?)", "float.Parse({0})", "{0}.ToString()", "float?", typeof(float), typeof(float?), "{0}.Value", "GetFloat") },
{ "number(10,2)", ("(decimal?)", "decimal.Parse({0})", "{0}.ToString()", "decimal?", typeof(decimal), typeof(decimal?), "{0}.Value", "GetDecimal") },
{ "interval day(2) to second(6)", ("(TimeSpan?)", "TimeSpan.Parse(double.Parse({0}))", "{0}.Ticks.ToString()", "TimeSpan?", typeof(TimeSpan), typeof(TimeSpan?), "{0}.Value", "GetValue") },
{ "date(7)", ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetValue") },
{ "timestamp(6)", ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetValue") },
{ "timestamp(6) with local time zone", ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetValue") },
{ "blob", ("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
{ "nvarchar2(255)", ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ "char(36 char)", ("(Guid?)", "Guid.Parse({0})", "{0}.ToString()", "Guid?", typeof(Guid), typeof(Guid?), "{0}.Value", "GetGuid") },
};
foreach (var kv in defaultDbToCs)
_dicDbToCs.TryAdd(kv.Key, kv.Value);
}
public string GetCsConvert(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? (column.IsNullable ? trydc.csConvert : trydc.csConvert.Replace("?", "")) : null;
public string GetCsParse(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.csParse : null;
public string GetCsStringify(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.csStringify : null;
public string GetCsType(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? (column.IsNullable ? trydc.csType : trydc.csType.Replace("?", "")) : null;
public Type GetCsTypeInfo(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.csTypeInfo : null;
public string GetCsTypeValue(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.csTypeValue : null;
public string GetDataReaderMethod(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.dataReaderMethod : null;
public List<string> GetDatabases()
{
var sql = @" select username from all_users";
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
return ds.Select(a => a.FirstOrDefault()?.ToString()).ToList();
}
public List<DbTableInfo> GetTablesByDatabase(params string[] database2)
{
var loc1 = new List<DbTableInfo>();
var loc2 = new Dictionary<string, DbTableInfo>();
var loc3 = new Dictionary<string, Dictionary<string, DbColumnInfo>>();
var database = database2?.ToArray();
if (database == null || database.Any() == false)
{
var userUsers = _orm.Ado.ExecuteScalar("select username from user_users")?.ToString();
if (string.IsNullOrEmpty(userUsers)) return loc1;
database = new[] { userUsers };
}
var databaseIn = string.Join(",", database.Select(a => _commonUtils.FormatSql("{0}", a)));
var sql = string.Format(@"
select
a.owner || '.' || a.table_name,
a.owner,
a.table_name,
b.comments,
'TABLE'
from all_tables a
left join all_tab_comments b on b.owner = a.owner and b.table_name = a.table_name and b.table_type = 'TABLE'
where a.owner in ({0})", databaseIn);
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var loc6 = new List<string>();
var loc66 = new List<string>();
foreach (var row in ds)
{
var table_id = string.Concat(row[0]);
var schema = string.Concat(row[1]);
var table = string.Concat(row[2]);
var comment = string.Concat(row[3]);
var type = string.Concat(row[4]) == "VIEW" ? DbTableType.VIEW : DbTableType.TABLE;
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
schema = "";
}
loc2.Add(table_id, new DbTableInfo { Id = table_id, Schema = schema, Name = table, Comment = comment, Type = type });
loc3.Add(table_id, new Dictionary<string, DbColumnInfo>());
switch (type)
{
case DbTableType.TABLE:
case DbTableType.VIEW:
loc6.Add(table.Replace("'", "''"));
break;
case DbTableType.StoreProcedure:
loc66.Add(table.Replace("'", "''"));
break;
}
}
if (loc6.Count == 0) return loc1;
var loc8 = "'" + string.Join("','", loc6.ToArray()) + "'";
var loc88 = "'" + string.Join("','", loc66.ToArray()) + "'";
sql = string.Format(@"
select
a.owner || '.' || a.table_name,
a.column_name,
a.data_type,
a.data_length,
a.data_precision,
a.data_scale,
a.char_used,
case when a.nullable = 'Y' then 1 else 0 end,
nvl((select 1 from user_sequences where upper(sequence_name)=upper(a.table_name||'_seq_'||a.column_name)), 0),
b.comments
from all_tab_cols a
left join all_col_comments b on b.owner = a.owner and b.table_name = a.table_name and b.column_name = a.column_name
where a.owner in ({1}) and a.table_name in ({0})
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var ds2 = new List<object[]>();
foreach (var row in ds)
{
var ds2item = new object[8];
ds2item[0] = row[0];
ds2item[1] = row[1];
ds2item[2] = Regex.Replace(string.Concat(row[2]), @"\(\d+\)", "");
ds2item[4] = OdbcOracleCodeFirst.GetOracleSqlTypeFullName(new object[] { row[1], row[2], row[3], row[4], row[5], row[6] });
ds2item[5] = string.Concat(row[7]) == "1";
ds2item[6] = string.Concat(row[8]) == "1";
ds2item[7] = string.Concat(row[9]);
ds2.Add(ds2item);
}
foreach (var row in ds2)
{
string table_id = string.Concat(row[0]);
string column = string.Concat(row[1]);
string type = string.Concat(row[2]);
//long max_length = long.Parse(string.Concat(row[3]));
string sqlType = string.Concat(row[4]);
var m_len = Regex.Match(sqlType, @"\w+\((\d+)");
int max_length = m_len.Success ? int.Parse(m_len.Groups[1].Value) : -1;
bool is_nullable = string.Concat(row[5]) == "1";
bool is_identity = string.Concat(row[6]) == "1";
string comment = string.Concat(row[7]);
if (max_length == 0) max_length = -1;
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
}
loc3[table_id].Add(column, new DbColumnInfo
{
Name = column,
MaxLength = max_length,
IsIdentity = is_identity,
IsNullable = is_nullable,
IsPrimary = false,
DbTypeText = type,
DbTypeTextFull = sqlType,
Table = loc2[table_id],
Coment = comment
});
loc3[table_id][column].DbType = this.GetDbType(loc3[table_id][column]);
loc3[table_id][column].CsType = this.GetCsTypeInfo(loc3[table_id][column]);
}
sql = string.Format(@"
select
a.owner || '.' || a.table_name,
c.column_name,
c.constraint_name,
case when a.constraint_type = 'U' then 1 else 0 end,
case when a.constraint_type = 'P' then 1 else 0 end,
0,
0
from
all_constraints a,
all_cons_columns c
where
a.constraint_name = c.constraint_name
and a.owner = c.owner
and a.table_name = c.table_name
and a.constraint_type in ('P', 'U')
and a.owner in ({1}) and a.table_name in ({0})
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var indexColumns = new Dictionary<string, Dictionary<string, List<DbColumnInfo>>>();
var uniqueColumns = new Dictionary<string, Dictionary<string, List<DbColumnInfo>>>();
foreach (var row in ds)
{
string table_id = string.Concat(row[0]);
string column = string.Concat(row[1]);
string index_id = string.Concat(row[2]);
bool is_unique = string.Concat(row[3]) == "1";
bool is_primary_key = string.Concat(row[4]) == "1";
bool is_clustered = string.Concat(row[5]) == "1";
int is_desc = int.Parse(string.Concat(row[6]));
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
}
if (loc3.ContainsKey(table_id) == false || loc3[table_id].ContainsKey(column) == false) continue;
var loc9 = loc3[table_id][column];
if (loc9.IsPrimary == false && is_primary_key) loc9.IsPrimary = is_primary_key;
Dictionary<string, List<DbColumnInfo>> loc10 = null;
List<DbColumnInfo> loc11 = null;
if (!indexColumns.TryGetValue(table_id, out loc10))
indexColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
if (!loc10.TryGetValue(index_id, out loc11))
loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
loc11.Add(loc9);
if (is_unique && !is_primary_key)
{
if (!uniqueColumns.TryGetValue(table_id, out loc10))
uniqueColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
if (!loc10.TryGetValue(index_id, out loc11))
loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
loc11.Add(loc9);
}
}
foreach (string table_id in indexColumns.Keys)
{
foreach (var column in indexColumns[table_id])
loc2[table_id].IndexesDict.Add(column.Key, column.Value);
}
foreach (string table_id in uniqueColumns.Keys)
{
foreach (var column in uniqueColumns[table_id])
{
column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
loc2[table_id].UniquesDict.Add(column.Key, column.Value);
}
}
sql = string.Format(@"
select
a.owner || '.' || a.table_name,
c.column_name,
c.constraint_name,
b.owner || '.' || b.table_name,
1,
d.column_name
-- a.owner 外键拥有者,
-- a.table_name 外键表,
-- c.column_name 外键列,
-- b.owner 主键拥有者,
-- b.table_name 主键表,
-- d.column_name 主键列,
-- c.constraint_name 外键名,
-- d.constraint_name 主键名
from
all_constraints a,
all_constraints b,
all_cons_columns c, --外键表
all_cons_columns d --主键表
where
a.r_constraint_name = b.constraint_name 　　
and a.constraint_type = 'R' 　　
and b.constraint_type = 'P' 　　
and a.r_owner = b.owner 　　
and a.constraint_name = c.constraint_name 　　
and b.constraint_name = d.constraint_name 　　
and a.owner = c.owner 　　
and a.table_name = c.table_name 　　
and b.owner = d.owner 　　
and b.table_name = d.table_name
and a.owner in ({1}) and a.table_name in ({0})
", loc8, databaseIn);
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var fkColumns = new Dictionary<string, Dictionary<string, DbForeignInfo>>();
foreach (var row in ds)
{
string table_id = string.Concat(row[0]);
string column = string.Concat(row[1]);
string fk_id = string.Concat(row[2]);
string ref_table_id = string.Concat(row[3]);
bool is_foreign_key = string.Concat(row[4]) == "1";
string referenced_column = string.Concat(row[5]);
if (database.Length == 1)
{
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
ref_table_id = ref_table_id.Substring(ref_table_id.IndexOf('.') + 1);
}
if (loc3.ContainsKey(table_id) == false || loc3[table_id].ContainsKey(column) == false) continue;
var loc9 = loc3[table_id][column];
if (loc2.ContainsKey(ref_table_id) == false) continue;
var loc10 = loc2[ref_table_id];
var loc11 = loc3[ref_table_id][referenced_column];
Dictionary<string, DbForeignInfo> loc12 = null;
DbForeignInfo loc13 = null;
if (!fkColumns.TryGetValue(table_id, out loc12))
fkColumns.Add(table_id, loc12 = new Dictionary<string, DbForeignInfo>());
if (!loc12.TryGetValue(fk_id, out loc13))
loc12.Add(fk_id, loc13 = new DbForeignInfo { Table = loc2[table_id], ReferencedTable = loc10 });
loc13.Columns.Add(loc9);
loc13.ReferencedColumns.Add(loc11);
}
foreach (var table_id in fkColumns.Keys)
foreach (var fk in fkColumns[table_id])
loc2[table_id].ForeignsDict.Add(fk.Key, fk.Value);
foreach (var table_id in loc3.Keys)
{
foreach (var loc5 in loc3[table_id].Values)
{
loc2[table_id].Columns.Add(loc5);
if (loc5.IsIdentity) loc2[table_id].Identitys.Add(loc5);
if (loc5.IsPrimary) loc2[table_id].Primarys.Add(loc5);
}
}
foreach (var loc4 in loc2.Values)
{
if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0)
{
foreach (var loc5 in loc4.UniquesDict.First().Value)
{
loc5.IsPrimary = true;
loc4.Primarys.Add(loc5);
}
}
loc4.Primarys.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
loc4.Columns.Sort((c1, c2) =>
{
int compare = c2.IsPrimary.CompareTo(c1.IsPrimary);
if (compare == 0)
{
bool b1 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c1.Name).Any()).Any();
bool b2 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c2.Name).Any()).Any();
compare = b2.CompareTo(b1);
}
if (compare == 0) compare = c1.Name.CompareTo(c2.Name);
return compare;
});
loc1.Add(loc4);
}
loc1.Sort((t1, t2) =>
{
var ret = t1.Schema.CompareTo(t2.Schema);
if (ret == 0) ret = t1.Name.CompareTo(t2.Name);
return ret;
});
loc2.Clear();
loc3.Clear();
return loc1;
}
public List<DbEnumInfo> GetEnumsByDatabase(params string[] database)
{
return new List<DbEnumInfo>();
}
}
}

458
Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleExpression.cs Normal file
View File

@@ -0,0 +1,458 @@
using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleExpression : CommonExpression
{
public OdbcOracleExpression(CommonUtils common) : base(common) { }
public override string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (exp.NodeType)
{
case ExpressionType.Convert:
var operandExp = (exp as UnaryExpression)?.Operand;
var gentype = exp.Type.NullableTypeOrThis();
if (gentype != operandExp.Type.NullableTypeOrThis())
{
switch (exp.Type.NullableTypeOrThis().ToString())
{
//case "System.Boolean": return $"({getExp(operandExp)} not in ('0','false'))";
case "System.Byte": return $"cast({getExp(operandExp)} as number)";
case "System.Char": return $"substr(to_char({getExp(operandExp)}), 1, 1)";
case "System.DateTime": return $"to_timestamp({getExp(operandExp)},'YYYY-MM-DD HH24:MI:SS.FF6')";
case "System.Decimal": return $"cast({getExp(operandExp)} as number)";
case "System.Double": return $"cast({getExp(operandExp)} as number)";
case "System.Int16":
case "System.Int32":
case "System.Int64":
case "System.SByte": return $"cast({getExp(operandExp)} as number)";
case "System.Single": return $"cast({getExp(operandExp)} as number)";
case "System.String": return $"to_char({getExp(operandExp)})";
case "System.UInt16":
case "System.UInt32":
case "System.UInt64": return $"cast({getExp(operandExp)} as number)";
case "System.Guid": return $"substr(to_char({getExp(operandExp)}), 1, 36)";
}
}
break;
case ExpressionType.Call:
var callExp = exp as MethodCallExpression;
switch (callExp.Method.Name)
{
case "Parse":
case "TryParse":
switch (callExp.Method.DeclaringType.NullableTypeOrThis().ToString())
{
//case "System.Boolean": return $"({getExp(callExp.Arguments[0])} not in ('0','false'))";
case "System.Byte": return $"cast({getExp(callExp.Arguments[0])} as number)";
case "System.Char": return $"substr(to_char({getExp(callExp.Arguments[0])}), 1, 1)";
case "System.DateTime": return $"to_timestamp({getExp(callExp.Arguments[0])},'YYYY-MM-DD HH24:MI:SS.FF6')";
case "System.Decimal": return $"cast({getExp(callExp.Arguments[0])} as number)";
case "System.Double": return $"cast({getExp(callExp.Arguments[0])} as number)";
case "System.Int16":
case "System.Int32":
case "System.Int64":
case "System.SByte": return $"cast({getExp(callExp.Arguments[0])} as number)";
case "System.Single": return $"cast({getExp(callExp.Arguments[0])} as number)";
case "System.UInt16":
case "System.UInt32":
case "System.UInt64": return $"cast({getExp(callExp.Arguments[0])} as number)";
case "System.Guid": return $"substr(to_char({getExp(callExp.Arguments[0])}), 1, 36)";
}
break;
case "NewGuid":
break;
case "Next":
if (callExp.Object?.Type == typeof(Random)) return "cast(dbms_random.value*1000000000 as smallint)";
break;
case "NextDouble":
if (callExp.Object?.Type == typeof(Random)) return "dbms_random.value";
break;
case "Random":
if (callExp.Method.DeclaringType.IsNumberType()) return "dbms_random.value";
break;
case "ToString":
if (callExp.Object != null) return callExp.Arguments.Count == 0 ? $"to_char({getExp(callExp.Object)})" : null;
break;
}
var objExp = callExp.Object;
var objType = objExp?.Type;
if (objType?.FullName == "System.Byte[]") return null;
var argIndex = 0;
if (objType == null && callExp.Method.DeclaringType == typeof(Enumerable))
{
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArray || typeof(IList).IsAssignableFrom(callExp.Method.DeclaringType))
{
var left = objExp == null ? null : getExp(objExp);
switch (callExp.Method.Name)
{
case "Contains":
//判断 in
return $"({getExp(callExp.Arguments[argIndex])}) in {left}";
}
}
break;
case ExpressionType.NewArrayInit:
var arrExp = exp as NewArrayExpression;
var arrSb = new StringBuilder();
arrSb.Append("(");
for (var a = 0; a < arrExp.Expressions.Count; a++)
{
if (a > 0) arrSb.Append(",");
arrSb.Append(getExp(arrExp.Expressions[a]));
}
if (arrSb.Length == 1) arrSb.Append("NULL");
return arrSb.Append(")").ToString();
case ExpressionType.ListInit:
var listExp = exp as ListInitExpression;
var listSb = new StringBuilder();
listSb.Append("(");
for (var a = 0; a < listExp.Initializers.Count; a++)
{
if (listExp.Initializers[a].Arguments.Any() == false) continue;
if (a > 0) listSb.Append(",");
listSb.Append(getExp(listExp.Initializers[a].Arguments.FirstOrDefault()));
}
if (listSb.Length == 1) listSb.Append("NULL");
return listSb.Append(")").ToString();
case ExpressionType.New:
var newExp = exp as NewExpression;
if (typeof(IList).IsAssignableFrom(newExp.Type))
{
if (newExp.Arguments.Count == 0) return "(NULL)";
if (typeof(IEnumerable).IsAssignableFrom(newExp.Arguments[0].Type) == false) return "(NULL)";
return getExp(newExp.Arguments[0]);
}
return null;
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Empty": return "''";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Length": return $"length({left})";
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Now": return "systimestamp";
case "UtcNow": return "sys_extract_utc(systimestamp)";
case "Today": return "trunc(systimestamp)";
case "MinValue": return "to_timestamp('0001-01-01 00:00:00','YYYY-MM-DD HH24:MI:SS.FF6')";
case "MaxValue": return "to_timestamp('9999-12-31 23:59:59','YYYY-MM-DD HH24:MI:SS.FF6')";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Date": return $"trunc({left})";
case "TimeOfDay": return $"({left}-trunc({left}))";
case "DayOfWeek": return $"case when to_char({left})='7' then 0 else cast(to_char({left}) as number) end";
case "Day": return $"cast(to_char({left},'DD') as number)";
case "DayOfYear": return $"cast(to_char({left},'DDD') as number)";
case "Month": return $"cast(to_char({left},'MM') as number)";
case "Year": return $"cast(to_char({left},'YYYY') as number)";
case "Hour": return $"cast(to_char({left},'HH24') as number)";
case "Minute": return $"cast(to_char({left},'MI') as number)";
case "Second": return $"cast(to_char({left},'SS') as number)";
case "Millisecond": return $"cast(to_char({left},'FF3') as number)";
case "Ticks": return $"cast(to_char({left},'FF7') as number)";
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Zero": return "numtodsinterval(0,'second')";
case "MinValue": return "numtodsinterval(-233720368.5477580,'second')";
case "MaxValue": return "numtodsinterval(233720368.5477580,'second')";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Days": return $"extract(day from {left})";
case "Hours": return $"extract(hour from {left})";
case "Milliseconds": return $"cast(substr(extract(second from {left})-floor(extract(second from {left})),2,3) as number)";
case "Minutes": return $"extract(minute from {left})";
case "Seconds": return $"floor(extract(second from {left}))";
case "Ticks": return $"(extract(day from {left})*86400+extract(hour from {left})*3600+extract(minute from {left})*60+extract(second from {left}))*10000000";
case "TotalDays": return $"extract(day from {left})";
case "TotalHours": return $"(extract(day from {left})*24+extract(hour from {left}))";
case "TotalMilliseconds": return $"(extract(day from {left})*86400+extract(hour from {left})*3600+extract(minute from {left})*60+extract(second from {left}))*1000";
case "TotalMinutes": return $"(extract(day from {left})*1440+extract(hour from {left})*60+extract(minute from {left}))";
case "TotalSeconds": return $"(extract(day from {left})*86400+extract(hour from {left})*3600+extract(minute from {left})*60+extract(second from {left}))";
}
return null;
}
public override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "IsNullOrEmpty":
var arg1 = getExp(exp.Arguments[0]);
return $"({arg1} is null or {arg1} = '')";
case "IsNullOrWhiteSpace":
var arg2 = getExp(exp.Arguments[0]);
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), null);
}
}
else
{
var left = getExp(exp.Object);
switch (exp.Method.Name)
{
case "StartsWith":
case "EndsWith":
case "Contains":
var args0Value = getExp(exp.Arguments[0]);
if (args0Value == "NULL") return $"({left}) IS NULL";
if (exp.Method.Name == "StartsWith") return $"({left}) LIKE {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"(to_char({args0Value})||'%')")}";
if (exp.Method.Name == "EndsWith") return $"({left}) LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"('%'||to_char({args0Value}))")}";
if (args0Value.StartsWith("'") && args0Value.EndsWith("'")) return $"({left}) LIKE {args0Value.Insert(1, "%").Insert(args0Value.Length, "%")}";
return $"({left}) LIKE ('%'||to_char({args0Value})||'%')";
case "ToLower": return $"lower({left})";
case "ToUpper": return $"upper({left})";
case "Substring":
var substrArgs1 = getExp(exp.Arguments[0]);
if (long.TryParse(substrArgs1, out var testtrylng1)) substrArgs1 = (testtrylng1 + 1).ToString();
else substrArgs1 += "+1";
if (exp.Arguments.Count == 1) return $"substr({left}, {substrArgs1})";
return $"substr({left}, {substrArgs1}, {getExp(exp.Arguments[1])})";
case "IndexOf":
var indexOfFindStr = getExp(exp.Arguments[0]);
if (exp.Arguments.Count > 1 && exp.Arguments[1].Type.FullName == "System.Int32")
{
var locateArgs1 = getExp(exp.Arguments[1]);
if (long.TryParse(locateArgs1, out var testtrylng2)) locateArgs1 = (testtrylng2 + 1).ToString();
else locateArgs1 += "+1";
return $"(instr({left}, {indexOfFindStr}, {locateArgs1}, 1)-1)";
}
return $"(instr({left}, {indexOfFindStr}, 1, 1))-1";
case "PadLeft":
if (exp.Arguments.Count == 1) return $"lpad({left}, {getExp(exp.Arguments[0])}, ' ')";
return $"lpad({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "PadRight":
if (exp.Arguments.Count == 1) return $"rpad({left}, {getExp(exp.Arguments[0])}, ' ')";
return $"rpad({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Trim":
case "TrimStart":
case "TrimEnd":
if (exp.Arguments.Count == 0)
{
if (exp.Method.Name == "Trim") return $"trim({left})";
if (exp.Method.Name == "TrimStart") return $"ltrim({left})";
if (exp.Method.Name == "TrimEnd") return $"rtrim({left})";
}
foreach (var argsTrim02 in exp.Arguments)
{
var argsTrim01s = new[] { argsTrim02 };
if (argsTrim02.NodeType == ExpressionType.NewArrayInit)
{
var arritem = argsTrim02 as NewArrayExpression;
argsTrim01s = arritem.Expressions.ToArray();
}
foreach (var argsTrim01 in argsTrim01s)
{
if (exp.Method.Name == "Trim") left = $"trim(both {getExp(argsTrim01)} from {left})";
if (exp.Method.Name == "TrimStart") left = $"ltrim({left},{getExp(argsTrim01)})";
if (exp.Method.Name == "TrimEnd") left = $"rtrim({left},{getExp(argsTrim01)})";
}
}
return left;
case "Replace": return $"replace({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "CompareTo": return $"case when {left} = {getExp(exp.Arguments[0])} then 0 when {left} > {getExp(exp.Arguments[0])} then 1 else -1 end";
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (exp.Method.Name)
{
case "Abs": return $"abs({getExp(exp.Arguments[0])})";
case "Sign": return $"sign({getExp(exp.Arguments[0])})";
case "Floor": return $"floor({getExp(exp.Arguments[0])})";
case "Ceiling": return $"ceil({getExp(exp.Arguments[0])})";
case "Round":
if (exp.Arguments.Count > 1 && exp.Arguments[1].Type.FullName == "System.Int32") return $"round({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
return $"round({getExp(exp.Arguments[0])})";
case "Exp": return $"exp({getExp(exp.Arguments[0])})";
case "Log":
if (exp.Arguments.Count > 1) return $"log({getExp(exp.Arguments[1])},{getExp(exp.Arguments[0])})";
return $"log(2.7182818284590451,{getExp(exp.Arguments[0])})";
case "Log10": return $"log(10,{getExp(exp.Arguments[0])})";
case "Pow": return $"power({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Sqrt": return $"sqrt({getExp(exp.Arguments[0])})";
case "Cos": return $"cos({getExp(exp.Arguments[0])})";
case "Sin": return $"sin({getExp(exp.Arguments[0])})";
case "Tan": return $"tan({getExp(exp.Arguments[0])})";
case "Acos": return $"acos({getExp(exp.Arguments[0])})";
case "Asin": return $"asin({getExp(exp.Arguments[0])})";
case "Atan": return $"atan({getExp(exp.Arguments[0])})";
//case "Atan2": return $"atan2({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Truncate": return $"trunc({getExp(exp.Arguments[0])}, 0)";
}
return null;
}
public override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "Compare": return $"extract(day from ({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])})))";
case "DaysInMonth": return $"cast(to_char(last_day(({getExp(exp.Arguments[0])})||'-'||({getExp(exp.Arguments[1])})||'-01'),'DD') as number)";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "IsLeapYear":
var isLeapYearArgs1 = getExp(exp.Arguments[0]);
return $"(mod({isLeapYearArgs1},4)=0 AND mod({isLeapYearArgs1},100)<>0 OR mod({isLeapYearArgs1},400)=0)";
case "Parse": return $"to_timestamp({getExp(exp.Arguments[0])},'YYYY-MM-DD HH24:MI:SS.FF6')";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"to_timestamp({getExp(exp.Arguments[0])},'YYYY-MM-DD HH24:MI:SS.FF6')";
}
}
else
{
var left = getExp(exp.Object);
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"({left}+{args1})";
case "AddDays": return $"({left}+{args1})";
case "AddHours": return $"({left}+({args1})/24)";
case "AddMilliseconds": return $"({left}+({args1})/86400000)";
case "AddMinutes": return $"({left}+({args1})/1440)";
case "AddMonths": return $"add_months({left},{args1})";
case "AddSeconds": return $"({left}+({args1})/86400)";
case "AddTicks": return $"({left}+({args1})/864000000000)";
case "AddYears": return $"add_months({left},({args1})*12)";
case "Subtract":
switch ((exp.Arguments[0].Type.IsNullableType() ? exp.Arguments[0].Type.GenericTypeArguments.FirstOrDefault() : exp.Arguments[0].Type).FullName)
{
case "System.DateTime": return $"numtodsinterval(({left}+0)-({args1}+0),'day')";
case "System.TimeSpan": return $"({left}-{args1})";
}
break;
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
case "CompareTo": return $"extract(day from ({left}-({getExp(exp.Arguments[0])})))";
case "ToString": return exp.Arguments.Count == 0 ? $"to_char({left},'YYYY-MM-DD HH24:MI:SS.FF6')" : null;
}
}
return null;
}
public override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "Compare": return $"extract(day from ({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])})))";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "FromDays": return $"numtodsinterval(({getExp(exp.Arguments[0])})*{(long)60 * 60 * 24},'second')";
case "FromHours": return $"numtodsinterval(({getExp(exp.Arguments[0])})*{(long)60 * 60},'second')";
case "FromMilliseconds": return $"numtodsinterval(({getExp(exp.Arguments[0])})/1000,'second')";
case "FromMinutes": return $"numtodsinterval(({getExp(exp.Arguments[0])})*60,'second')";
case "FromSeconds": return $"numtodsinterval(({getExp(exp.Arguments[0])}),'second')";
case "FromTicks": return $"numtodsinterval(({getExp(exp.Arguments[0])})/10000000,'second')";
case "Parse": return $"cast({getExp(exp.Arguments[0])} as interval day(9) to second(7))";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as interval day(9) to second(7))";
}
}
else
{
var left = getExp(exp.Object);
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"({left}+{args1})";
case "Subtract": return $"({left}-({args1}))";
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
case "CompareTo": return $"extract(day from ({left}-({getExp(exp.Arguments[0])})))";
case "ToString": return $"to_char({left})";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
//case "ToBoolean": return $"({getExp(exp.Arguments[0])} not in ('0','false'))";
case "ToByte": return $"cast({getExp(exp.Arguments[0])} as number)";
case "ToChar": return $"substr(to_char({getExp(exp.Arguments[0])}), 1, 1)";
case "ToDateTime": return $"to_timestamp({getExp(exp.Arguments[0])},'YYYY-MM-DD HH24:MI:SS.FF6')";
case "ToDecimal": return $"cast({getExp(exp.Arguments[0])} as number)";
case "ToDouble": return $"cast({getExp(exp.Arguments[0])} as number)";
case "ToInt16":
case "ToInt32":
case "ToInt64":
case "ToSByte": return $"cast({getExp(exp.Arguments[0])} as number)";
case "ToSingle": return $"cast({getExp(exp.Arguments[0])} as number)";
case "ToString": return $"to_char({getExp(exp.Arguments[0])})";
case "ToUInt16":
case "ToUInt32":
case "ToUInt64": return $"cast({getExp(exp.Arguments[0])} as number)";
}
}
return null;
}
}
}

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Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleProvider.cs Normal file
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using FreeSql.Internal;
using FreeSql.Internal.CommonProvider;
using System;
using System.Collections.Generic;
using System.Data.Common;
namespace FreeSql.Odbc.Oracle
{
public class OdbcOracleProvider<TMark> : IFreeSql<TMark>
{
public ISelect<T1> Select<T1>() where T1 : class => new OdbcOracleSelect<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public ISelect<T1> Select<T1>(object dywhere) where T1 : class => new OdbcOracleSelect<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IInsert<T1> Insert<T1>() where T1 : class => new OdbcOracleInsert<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression);
public IInsert<T1> Insert<T1>(T1 source) where T1 : class => this.Insert<T1>().AppendData(source);
public IInsert<T1> Insert<T1>(T1[] source) where T1 : class => this.Insert<T1>().AppendData(source);
public IInsert<T1> Insert<T1>(IEnumerable<T1> source) where T1 : class => this.Insert<T1>().AppendData(source);
public IUpdate<T1> Update<T1>() where T1 : class => new OdbcOracleUpdate<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public IUpdate<T1> Update<T1>(object dywhere) where T1 : class => new OdbcOracleUpdate<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IDelete<T1> Delete<T1>() where T1 : class => new OdbcOracleDelete<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public IDelete<T1> Delete<T1>(object dywhere) where T1 : class => new OdbcOracleDelete<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IAdo Ado { get; }
public IAop Aop { get; }
public ICodeFirst CodeFirst { get; }
public IDbFirst DbFirst { get; }
public OdbcOracleProvider(string masterConnectionString, string[] slaveConnectionString)
{
this.InternalCommonUtils = new OdbcOracleUtils(this);
this.InternalCommonExpression = new OdbcOracleExpression(this.InternalCommonUtils);
this.Ado = new OdbcOracleAdo(this.InternalCommonUtils, masterConnectionString, slaveConnectionString);
this.Aop = new AopProvider();
this.DbFirst = new OdbcOracleDbFirst(this, this.InternalCommonUtils, this.InternalCommonExpression);
this.CodeFirst = new OdbcOracleCodeFirst(this, this.InternalCommonUtils, this.InternalCommonExpression);
//this.Aop.AuditValue += new EventHandler<Aop.AuditValueEventArgs>((_, e) =>
//{
// if (e.Value == null && e.Column.Attribute.IsPrimary == false && e.Column.Attribute.IsIdentity == false)
// e.Value = Utils.GetDataReaderValue(e.Property.PropertyType.NullableTypeOrThis(), e.Column.Attribute.DbDefautValue);
//});
}
internal CommonUtils InternalCommonUtils { get; }
internal CommonExpression InternalCommonExpression { get; }
public void Transaction(Action handler) => Ado.Transaction(handler);
public void Transaction(Action handler, TimeSpan timeout) => Ado.Transaction(handler, timeout);
~OdbcOracleProvider()
{
this.Dispose();
}
bool _isdisposed = false;
public void Dispose()
{
if (_isdisposed) return;
(this.Ado as AdoProvider)?.Dispose();
}
}
}

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Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleUtils.cs Normal file
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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Data.Odbc;
using System.Linq.Expressions;
using System.Text;
namespace FreeSql.Odbc.Oracle
{
class OdbcOracleUtils : CommonUtils
{
public OdbcOracleUtils(IFreeSql orm) : base(orm)
{
}
public override DbParameter AppendParamter(List<DbParameter> _params, string parameterName, Type type, object value)
{
if (string.IsNullOrEmpty(parameterName)) parameterName = $"p_{_params?.Count}";
var dbtype = (OdbcType)_orm.CodeFirst.GetDbInfo(type)?.type;
switch (dbtype)
{
case OdbcType.Bit:
if (value == null) value = null;
else value = (bool)value == true ? 1 : 0;
dbtype = OdbcType.Int;
break;
case OdbcType.Char:
case OdbcType.NChar:
case OdbcType.VarChar:
case OdbcType.NVarChar:
case OdbcType.Text:
case OdbcType.NText:
value = string.Concat(value);
break;
}
var ret = new OdbcParameter { ParameterName = QuoteParamterName(parameterName), OdbcType = dbtype, Value = value };
_params?.Add(ret);
return ret;
}
public override DbParameter[] GetDbParamtersByObject(string sql, object obj) =>
Utils.GetDbParamtersByObject<OdbcParameter>(sql, obj, null, (name, type, value) =>
{
var dbtype = (OdbcType)_orm.CodeFirst.GetDbInfo(type)?.type;
switch (dbtype)
{
case OdbcType.Bit:
if (value == null) value = null;
else value = (bool)value == true ? 1 : 0;
dbtype = OdbcType.Int;
break;
case OdbcType.Char:
case OdbcType.NChar:
case OdbcType.VarChar:
case OdbcType.NVarChar:
case OdbcType.Text:
case OdbcType.NText:
value = string.Concat(value);
break;
}
var ret = new OdbcParameter { ParameterName = $":{name}", OdbcType = dbtype, Value = value };
return ret;
});
public override string FormatSql(string sql, params object[] args) => sql?.FormatOdbcOracle(args);
public override string QuoteSqlName(string name)
{
var nametrim = name.Trim();
if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
return nametrim; //原生SQL
return $"\"{nametrim.Trim('"').Replace(".", "\".\"")}\"";
}
public override string TrimQuoteSqlName(string name)
{
var nametrim = name.Trim();
if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
return nametrim; //原生SQL
return $"{nametrim.Trim('"').Replace("\".\"", ".").Replace(".\"", ".")}";
}
public override string QuoteParamterName(string name) => $":{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
public override string IsNull(string sql, object value) => $"nvl({sql}, {value})";
public override string StringConcat(string[] objs, Type[] types) => $"{string.Join(" || ", objs)}";
public override string Mod(string left, string right, Type leftType, Type rightType) => $"mod({left}, {right})";
public override string Div(string left, string right, Type leftType, Type rightType) => $"trunc({left} / {right})";
public override string QuoteWriteParamter(Type type, string paramterName) => paramterName;
public override string QuoteReadColumn(Type type, string columnName) => columnName;
public override string GetNoneParamaterSqlValue(List<DbParameter> specialParams, Type type, object value)
{
if (value == null) return "NULL";
if (type == typeof(byte[]))
{
var bytes = value as byte[];
var sb = new StringBuilder().Append("rawtohex('0x");
foreach (var vc in bytes)
{
if (vc < 10) sb.Append("0");
sb.Append(vc.ToString("X"));
}
return sb.Append("')").ToString();
}
return FormatSql("{0}", value, 1);
}
}
}

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Providers/FreeSql.Provider.Odbc/SqlServer/Curd/OdbcSqlServerDelete.cs Normal file
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using FreeSql.Internal;
using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerDelete<T1> : Internal.CommonProvider.DeleteProvider<T1> where T1 : class
{
public OdbcSqlServerDelete(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
: base(orm, commonUtils, commonExpression, dywhere)
{
}
public override List<T1> ExecuteDeleted()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(" OUTPUT ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append("DELETED.").Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
var validx = sql.IndexOf(" WHERE ");
if (validx == -1) throw new ArgumentException("找不到 WHERE ");
sb.Insert(0, sql.Substring(0, validx));
sb.Append(sql.Substring(validx));
sql = sb.ToString();
var dbParms = _params.ToArray();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Delete, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
this.ClearData();
return ret;
}
async public override Task<List<T1>> ExecuteDeletedAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(" OUTPUT ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append("DELETED.").Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
var validx = sql.IndexOf(" WHERE ");
if (validx == -1) throw new ArgumentException("找不到 WHERE ");
sb.Insert(0, sql.Substring(0, validx));
sb.Append(sql.Substring(validx));
sql = sb.ToString();
var dbParms = _params.ToArray();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Delete, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
this.ClearData();
return ret;
}
}
}

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Providers/FreeSql.Provider.Odbc/SqlServer/Curd/OdbcSqlServerInsert.cs Normal file
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using FreeSql.Internal;
using SafeObjectPool;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerInsert<T1> : Internal.CommonProvider.InsertProvider<T1> where T1 : class
{
public OdbcSqlServerInsert(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
: base(orm, commonUtils, commonExpression)
{
}
public override int ExecuteAffrows() => base.SplitExecuteAffrows(1000, 2100);
public override Task<int> ExecuteAffrowsAsync() => base.SplitExecuteAffrowsAsync(1000, 2100);
public override long ExecuteIdentity() => base.SplitExecuteIdentity(1000, 2100);
public override Task<long> ExecuteIdentityAsync() => base.SplitExecuteIdentityAsync(1000, 2100);
public override List<T1> ExecuteInserted() => base.SplitExecuteInserted(1000, 2100);
public override Task<List<T1>> ExecuteInsertedAsync() => base.SplitExecuteInsertedAsync(1000, 2100);
protected override long RawExecuteIdentity()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return 0;
sql = string.Concat(sql, "; SELECT SCOPE_IDENTITY();");
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
long ret = 0;
Exception exception = null;
try
{
long.TryParse(string.Concat(_orm.Ado.ExecuteScalar(_connection, _transaction, CommandType.Text, sql, _params)), out ret);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
async protected override Task<long> RawExecuteIdentityAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return 0;
sql = string.Concat(sql, "; SELECT SCOPE_IDENTITY();");
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
long ret = 0;
Exception exception = null;
try
{
long.TryParse(string.Concat(await _orm.Ado.ExecuteScalarAsync(_connection, _transaction, CommandType.Text, sql, _params)), out ret);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
protected override List<T1> RawExecuteInserted()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(" OUTPUT ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
var validx = sql.IndexOf(") VALUES");
if (validx == -1) throw new ArgumentException("找不到 VALUES");
sb.Insert(0, sql.Substring(0, validx + 1));
sb.Append(sql.Substring(validx + 1));
sql = sb.ToString();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sql, _params);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
async protected override Task<List<T1>> RawExecuteInsertedAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(" OUTPUT ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
var validx = sql.IndexOf(") VALUES");
if (validx == -1) throw new ArgumentException("找不到 VALUES");
sb.Insert(0, sql.Substring(0, validx + 1));
sb.Append(sql.Substring(validx + 1));
sql = sb.ToString();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Insert, sql, _params);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sql, _params);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
}
}

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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerSelect<T1> : FreeSql.Internal.CommonProvider.Select1Provider<T1> where T1 : class
{
internal static string ToSqlStatic(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
=> (_commonUtils as OdbcSqlServerUtils).IsSelectRowNumber ?
ToSqlStaticRowNumber(_commonUtils, _commonExpression, _select, _distinct, field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, tbUnions, _whereCascadeExpression, _orm) :
ToSqlStaticOffsetFetchNext(_commonUtils, _commonExpression, _select, _distinct, field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, tbUnions, _whereCascadeExpression, _orm);
#region SqlServer 2005 row_number
internal static string ToSqlStaticRowNumber(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
{
if (_orm.CodeFirst.IsAutoSyncStructure)
_orm.CodeFirst.SyncStructure(_tables.Select(a => a.Table.Type).ToArray());
if (_whereCascadeExpression.Any())
foreach (var tb in _tables.Where(a => a.Type != SelectTableInfoType.Parent))
tb.Cascade = _commonExpression.GetWhereCascadeSql(tb, _whereCascadeExpression);
var sb = new StringBuilder();
var tbUnionsGt0 = tbUnions.Count > 1;
for (var tbUnionsIdx = 0; tbUnionsIdx < tbUnions.Count; tbUnionsIdx++)
{
if (tbUnionsIdx > 0) sb.Append(" \r\n\r\nUNION ALL\r\n\r\n");
if (tbUnionsGt0) sb.Append("select * from (");
var tbUnion = tbUnions[tbUnionsIdx];
var sbnav = new StringBuilder();
sb.Append(_select);
if (_distinct) sb.Append("DISTINCT ");
if (_limit > 0) sb.Append("TOP ").Append(_skip + _limit).Append(" ");
sb.Append(field);
if (_skip > 0)
{
if (string.IsNullOrEmpty(_orderby))
{
var pktb = _tables.Where(a => a.Table.Primarys.Any()).FirstOrDefault();
if (pktb != null) _orderby = string.Concat(" \r\nORDER BY ", pktb.Alias, ".", _commonUtils.QuoteSqlName(pktb?.Table.Primarys.First().Attribute.Name));
else _orderby = string.Concat(" \r\nORDER BY ", _tables.First().Alias, ".", _commonUtils.QuoteSqlName(_tables.First().Table.Columns.First().Value.Attribute.Name));
}
sb.Append(", ROW_NUMBER() OVER(").Append(_orderby).Append(") AS __rownum__");
}
sb.Append(" \r\nFROM ");
var tbsjoin = _tables.Where(a => a.Type != SelectTableInfoType.From).ToArray();
var tbsfrom = _tables.Where(a => a.Type == SelectTableInfoType.From).ToArray();
for (var a = 0; a < tbsfrom.Length; a++)
{
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[a].Table.Type])).Append(" ").Append(tbsfrom[a].Alias);
if (tbsjoin.Length > 0)
{
//如果存在 join 查询，则处理 from t1, t2 改为 from t1 inner join t2 on 1 = 1
for (var b = 1; b < tbsfrom.Length; b++)
{
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[b].Table.Type])).Append(" ").Append(tbsfrom[b].Alias);
if (string.IsNullOrEmpty(tbsfrom[b].NavigateCondition) && string.IsNullOrEmpty(tbsfrom[b].On) && string.IsNullOrEmpty(tbsfrom[b].Cascade)) sb.Append(" ON 1 = 1");
else
{
sb.Append(" ON ").Append(tbsfrom[b].NavigateCondition ?? tbsfrom[b].On);
if (string.IsNullOrEmpty(tbsfrom[b].Cascade) == false) sb.Append(" AND (").Append(tbsfrom[b].Cascade).Append(")");
}
}
break;
}
else
{
if (!string.IsNullOrEmpty(tbsfrom[a].NavigateCondition)) sbnav.Append(" AND (").Append(tbsfrom[a].NavigateCondition).Append(")");
if (!string.IsNullOrEmpty(tbsfrom[a].On)) sbnav.Append(" AND (").Append(tbsfrom[a].On).Append(")");
if (a > 0 && !string.IsNullOrEmpty(tbsfrom[a].Cascade)) sbnav.Append(" AND (").Append(tbsfrom[a].Cascade).Append(")");
}
if (a < tbsfrom.Length - 1) sb.Append(", ");
}
foreach (var tb in tbsjoin)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
switch (tb.Type)
{
case SelectTableInfoType.LeftJoin:
sb.Append(" \r\nLEFT JOIN ");
break;
case SelectTableInfoType.InnerJoin:
sb.Append(" \r\nINNER JOIN ");
break;
case SelectTableInfoType.RightJoin:
sb.Append(" \r\nRIGHT JOIN ");
break;
}
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tb.Table.Type])).Append(" ").Append(tb.Alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
if (!string.IsNullOrEmpty(tb.Cascade)) sb.Append(" AND (").Append(tb.Cascade).Append(")");
if (!string.IsNullOrEmpty(tb.On) && !string.IsNullOrEmpty(tb.NavigateCondition)) sbnav.Append(" AND (").Append(tb.NavigateCondition).Append(")");
}
if (_join.Length > 0) sb.Append(_join);
sbnav.Append(_where);
if (!string.IsNullOrEmpty(_tables[0].Cascade))
sbnav.Append(" AND (").Append(_tables[0].Cascade).Append(")");
foreach (var tb in _tables)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
if (string.IsNullOrEmpty(tb.Table.SelectFilter) == false)
sbnav.Append(" AND (").Append(tb.Table.SelectFilter.Replace("a.", $"{tb.Alias}.")).Append(")");
}
if (sbnav.Length > 0)
{
sb.Append(" \r\nWHERE ").Append(sbnav.Remove(0, 5));
}
if (string.IsNullOrEmpty(_groupby) == false)
{
sb.Append(_groupby);
if (string.IsNullOrEmpty(_having) == false)
sb.Append(" \r\nHAVING ").Append(_having.Substring(5));
}
if (_skip <= 0)
sb.Append(_orderby);
else
sb.Insert(0, "WITH t AS ( ").Append(" ) SELECT t.* FROM t where __rownum__ > ").Append(_skip);
sbnav.Clear();
if (tbUnionsGt0) sb.Append(") ftb");
}
return sb.ToString();
}
#endregion
#region SqlServer 2012+ offset feach next
internal static string ToSqlStaticOffsetFetchNext(CommonUtils _commonUtils, CommonExpression _commonExpression, string _select, bool _distinct, string field, StringBuilder _join, StringBuilder _where, string _groupby, string _having, string _orderby, int _skip, int _limit, List<SelectTableInfo> _tables, List<Dictionary<Type, string>> tbUnions, List<LambdaExpression> _whereCascadeExpression, IFreeSql _orm)
{
if (_orm.CodeFirst.IsAutoSyncStructure)
_orm.CodeFirst.SyncStructure(_tables.Select(a => a.Table.Type).ToArray());
if (_whereCascadeExpression.Any())
foreach (var tb in _tables.Where(a => a.Type != SelectTableInfoType.Parent))
tb.Cascade = _commonExpression.GetWhereCascadeSql(tb, _whereCascadeExpression);
var sb = new StringBuilder();
var tbUnionsGt0 = tbUnions.Count > 1;
for (var tbUnionsIdx = 0; tbUnionsIdx < tbUnions.Count; tbUnionsIdx++)
{
if (tbUnionsIdx > 0) sb.Append(" \r\n\r\nUNION ALL\r\n\r\n");
if (tbUnionsGt0) sb.Append("select * from (");
var tbUnion = tbUnions[tbUnionsIdx];
var sbnav = new StringBuilder();
sb.Append(_select);
if (_distinct) sb.Append("DISTINCT ");
if (_skip <= 0 && _limit > 0) sb.Append("TOP ").Append(_limit).Append(" ");
sb.Append(field);
sb.Append(" \r\nFROM ");
var tbsjoin = _tables.Where(a => a.Type != SelectTableInfoType.From).ToArray();
var tbsfrom = _tables.Where(a => a.Type == SelectTableInfoType.From).ToArray();
for (var a = 0; a < tbsfrom.Length; a++)
{
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[a].Table.Type])).Append(" ").Append(tbsfrom[a].Alias);
if (tbsjoin.Length > 0)
{
//如果存在 join 查询，则处理 from t1, t2 改为 from t1 inner join t2 on 1 = 1
for (var b = 1; b < tbsfrom.Length; b++)
{
sb.Append(" \r\nLEFT JOIN ").Append(_commonUtils.QuoteSqlName(tbUnion[tbsfrom[b].Table.Type])).Append(" ").Append(tbsfrom[b].Alias);
if (string.IsNullOrEmpty(tbsfrom[b].NavigateCondition) && string.IsNullOrEmpty(tbsfrom[b].On) && string.IsNullOrEmpty(tbsfrom[b].Cascade)) sb.Append(" ON 1 = 1");
else
{
sb.Append(" ON ").Append(tbsfrom[b].NavigateCondition ?? tbsfrom[b].On);
if (string.IsNullOrEmpty(tbsfrom[b].Cascade) == false) sb.Append(" AND (").Append(tbsfrom[b].Cascade).Append(")");
}
}
break;
}
else
{
if (!string.IsNullOrEmpty(tbsfrom[a].NavigateCondition)) sbnav.Append(" AND (").Append(tbsfrom[a].NavigateCondition).Append(")");
if (!string.IsNullOrEmpty(tbsfrom[a].On)) sbnav.Append(" AND (").Append(tbsfrom[a].On).Append(")");
if (a > 0 && !string.IsNullOrEmpty(tbsfrom[a].Cascade)) sbnav.Append(" AND (").Append(tbsfrom[a].Cascade).Append(")");
}
if (a < tbsfrom.Length - 1) sb.Append(", ");
}
foreach (var tb in tbsjoin)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
switch (tb.Type)
{
case SelectTableInfoType.LeftJoin:
sb.Append(" \r\nLEFT JOIN ");
break;
case SelectTableInfoType.InnerJoin:
sb.Append(" \r\nINNER JOIN ");
break;
case SelectTableInfoType.RightJoin:
sb.Append(" \r\nRIGHT JOIN ");
break;
}
sb.Append(_commonUtils.QuoteSqlName(tbUnion[tb.Table.Type])).Append(" ").Append(tb.Alias).Append(" ON ").Append(tb.On ?? tb.NavigateCondition);
if (!string.IsNullOrEmpty(tb.Cascade)) sb.Append(" AND (").Append(tb.Cascade).Append(")");
if (!string.IsNullOrEmpty(tb.On) && !string.IsNullOrEmpty(tb.NavigateCondition)) sbnav.Append(" AND (").Append(tb.NavigateCondition).Append(")");
}
if (_join.Length > 0) sb.Append(_join);
sbnav.Append(_where);
if (!string.IsNullOrEmpty(_tables[0].Cascade))
sbnav.Append(" AND (").Append(_tables[0].Cascade).Append(")");
foreach (var tb in _tables)
{
if (tb.Type == SelectTableInfoType.Parent) continue;
if (string.IsNullOrEmpty(tb.Table.SelectFilter) == false)
sbnav.Append(" AND (").Append(tb.Table.SelectFilter.Replace("a.", $"{tb.Alias}.")).Append(")");
}
if (sbnav.Length > 0)
{
sb.Append(" \r\nWHERE ").Append(sbnav.Remove(0, 5));
}
if (string.IsNullOrEmpty(_groupby) == false)
{
sb.Append(_groupby);
if (string.IsNullOrEmpty(_having) == false)
sb.Append(" \r\nHAVING ").Append(_having.Substring(5));
}
if (_skip > 0)
{
if (string.IsNullOrEmpty(_orderby))
{
var pktb = _tables.Where(a => a.Table.Primarys.Any()).FirstOrDefault();
if (pktb != null) _orderby = string.Concat(" \r\nORDER BY ", pktb.Alias, ".", _commonUtils.QuoteSqlName(pktb?.Table.Primarys.First().Attribute.Name));
else _orderby = string.Concat(" \r\nORDER BY ", _tables.First().Alias, ".", _commonUtils.QuoteSqlName(_tables.First().Table.Columns.First().Value.Attribute.Name));
}
sb.Append(_orderby).Append($" \r\nOFFSET {_skip} ROW");
if (_limit > 0) sb.Append($" \r\nFETCH NEXT {_limit} ROW ONLY");
}
else
{
sb.Append(_orderby);
}
sbnav.Clear();
if (tbUnionsGt0) sb.Append(") ftb");
}
return sb.ToString();
}
#endregion
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override ISelect<T1, T2> From<T2>(Expression<Func<ISelectFromExpression<T1>, T2, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3> From<T2, T3>(Expression<Func<ISelectFromExpression<T1>, T2, T3, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4> From<T2, T3, T4>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3, T4>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5> From<T2, T3, T4, T5>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3, T4, T5>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6> From<T2, T3, T4, T5, T6>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7> From<T2, T3, T4, T5, T6, T7>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6, T7>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8> From<T2, T3, T4, T5, T6, T7, T8>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> From<T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> From<T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, ISelectFromExpression<T1>>> exp) { this.InternalFrom(exp); var ret = new OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(_orm, _commonUtils, _commonExpression, null); OdbcSqlServerSelect<T1>.CopyData(this, ret, exp?.Parameters); return ret; }
public override string ToSql(string field = null) => ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2> : FreeSql.Internal.CommonProvider.Select2Provider<T1, T2> where T1 : class where T2 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2, T3> : FreeSql.Internal.CommonProvider.Select3Provider<T1, T2, T3> where T1 : class where T2 : class where T3 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2, T3, T4> : FreeSql.Internal.CommonProvider.Select4Provider<T1, T2, T3, T4> where T1 : class where T2 : class where T3 : class where T4 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2, T3, T4, T5> : FreeSql.Internal.CommonProvider.Select5Provider<T1, T2, T3, T4, T5> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6> : FreeSql.Internal.CommonProvider.Select6Provider<T1, T2, T3, T4, T5, T6> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6, T7> : FreeSql.Internal.CommonProvider.Select7Provider<T1, T2, T3, T4, T5, T6, T7> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8> : FreeSql.Internal.CommonProvider.Select8Provider<T1, T2, T3, T4, T5, T6, T7, T8> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> : FreeSql.Internal.CommonProvider.Select9Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
class OdbcSqlServerSelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> : FreeSql.Internal.CommonProvider.Select10Provider<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class
{
public OdbcSqlServerSelect(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere) { }
public override string ToSql(string field = null) => OdbcSqlServerSelect<T1>.ToSqlStatic(_commonUtils, _commonExpression, _select, _distinct, field ?? this.GetAllFieldExpressionTreeLevel2().Field, _join, _where, _groupby, _having, _orderby, _skip, _limit, _tables, this.GetTableRuleUnions(), _whereCascadeExpression, _orm);
}
}

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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerUpdate<T1> : Internal.CommonProvider.UpdateProvider<T1> where T1 : class
{
public OdbcSqlServerUpdate(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere)
: base(orm, commonUtils, commonExpression, dywhere)
{
}
public override int ExecuteAffrows() => base.SplitExecuteAffrows(500, 2100);
public override Task<int> ExecuteAffrowsAsync() => base.SplitExecuteAffrowsAsync(500, 2100);
public override List<T1> ExecuteUpdated() => base.SplitExecuteUpdated(500, 2100);
public override Task<List<T1>> ExecuteUpdatedAsync() => base.SplitExecuteUpdatedAsync(500, 2100);
protected override List<T1> RawExecuteUpdated()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(" OUTPUT ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
var validx = sql.IndexOf(" \r\nWHERE ");
if (validx == -1) throw new ArgumentException("找不到 WHERE ");
sb.Insert(0, sql.Substring(0, validx));
sb.Append(sql.Substring(validx));
sql = sb.ToString();
var dbParms = _params.Concat(_paramsSource).ToArray();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Update, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
ValidateVersionAndThrow(ret.Count);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
async protected override Task<List<T1>> RawExecuteUpdatedAsync()
{
var sql = this.ToSql();
if (string.IsNullOrEmpty(sql)) return new List<T1>();
var sb = new StringBuilder();
sb.Append(" OUTPUT ");
var colidx = 0;
foreach (var col in _table.Columns.Values)
{
if (colidx > 0) sb.Append(", ");
sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
++colidx;
}
var validx = sql.IndexOf(" \r\nWHERE ");
if (validx == -1) throw new ArgumentException("找不到 WHERE ");
sb.Insert(0, sql.Substring(0, validx));
sb.Append(sql.Substring(validx));
sql = sb.ToString();
var dbParms = _params.Concat(_paramsSource).ToArray();
var before = new Aop.CurdBeforeEventArgs(_table.Type, Aop.CurdType.Update, sql, dbParms);
_orm.Aop.CurdBefore?.Invoke(this, before);
var ret = new List<T1>();
Exception exception = null;
try
{
ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sql, dbParms);
ValidateVersionAndThrow(ret.Count);
}
catch (Exception ex)
{
exception = ex;
throw ex;
}
finally
{
var after = new Aop.CurdAfterEventArgs(before, exception, ret);
_orm.Aop.CurdAfter?.Invoke(this, after);
}
return ret;
}
protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys)
{
if (_table.Primarys.Length == 1)
{
caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
return;
}
caseWhen.Append("(");
var pkidx = 0;
foreach (var pk in _table.Primarys)
{
if (pkidx > 0) caseWhen.Append(", ");
caseWhen.Append("cast(").Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name))).Append(" as varchar)");
++pkidx;
}
caseWhen.Append(")");
}
protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d)
{
if (_table.Primarys.Length == 1)
{
sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
return;
}
var pkidx = 0;
foreach (var pk in _table.Primarys)
{
if (pkidx > 0) sb.Append(", ");
sb.Append("cast(").Append(_commonUtils.FormatSql("{0}", pk.GetMapValue(d))).Append(" as varchar)");
++pkidx;
}
}
}
}

79
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerAdo.cs Normal file
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using FreeSql.Internal;
using SafeObjectPool;
using System;
using System.Collections;
using System.Data.Common;
using System.Data.Odbc;
using System.Text;
using System.Threading;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerAdo : FreeSql.Internal.CommonProvider.AdoProvider
{
public OdbcSqlServerAdo() : base(DataType.SqlServer) { }
public OdbcSqlServerAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings) : base(DataType.SqlServer)
{
base._util = util;
if (!string.IsNullOrEmpty(masterConnectionString))
MasterPool = new OdbcSqlServerConnectionPool("主库", masterConnectionString, null, null);
if (slaveConnectionStrings != null)
{
foreach (var slaveConnectionString in slaveConnectionStrings)
{
var slavePool = new OdbcSqlServerConnectionPool($"从库{SlavePools.Count + 1}", slaveConnectionString, () => Interlocked.Decrement(ref slaveUnavailables), () => Interlocked.Increment(ref slaveUnavailables));
SlavePools.Add(slavePool);
}
}
}
static DateTime dt1970 = new DateTime(1970, 1, 1);
public override object AddslashesProcessParam(object param, Type mapType)
{
if (param == null) return "NULL";
if (mapType != null && mapType != param.GetType())
param = Utils.GetDataReaderValue(mapType, param);
if (param is bool || param is bool?)
return (bool)param ? 1 : 0;
else if (param is string)
return string.Concat("N'", param.ToString().Replace("'", "''"), "'");
else if (param is char)
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
else if (param is Enum)
return ((Enum)param).ToInt64();
else if (decimal.TryParse(string.Concat(param), out var trydec))
return param;
else if (param is DateTime || param is DateTime?)
{
if (param.Equals(DateTime.MinValue) == true) param = new DateTime(1970, 1, 1);
return string.Concat("'", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss.fff"), "'");
}
else if (param is DateTimeOffset || param is DateTimeOffset?)
{
if (param.Equals(DateTimeOffset.MinValue) == true) param = new DateTimeOffset(new DateTime(1970, 1, 1), TimeSpan.Zero);
return string.Concat("'", ((DateTimeOffset)param).ToString("yyyy-MM-dd HH:mm:ss.fff zzzz"), "'");
}
else if (param is TimeSpan || param is TimeSpan?)
return ((TimeSpan)param).TotalSeconds;
else if (param is IEnumerable)
{
var sb = new StringBuilder();
var ie = param as IEnumerable;
foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
}
return string.Concat("'", param.ToString().Replace("'", "''"), "'");
}
protected override DbCommand CreateCommand()
{
return new OdbcCommand();
}
protected override void ReturnConnection(ObjectPool<DbConnection> pool, Object<DbConnection> conn, Exception ex)
{
(pool as OdbcSqlServerConnectionPool).Return(conn, ex);
}
protected override DbParameter[] GetDbParamtersByObject(string sql, object obj) => _util.GetDbParamtersByObject(sql, obj);
}
}

236
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerConnectionPool.cs Normal file
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using SafeObjectPool;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Data.Odbc;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerConnectionPool : ObjectPool<DbConnection>
{
internal Action availableHandler;
internal Action unavailableHandler;
public OdbcSqlServerConnectionPool(string name, string connectionString, Action availableHandler, Action unavailableHandler) : base(null)
{
var policy = new OdbcSqlServerConnectionPoolPolicy
{
_pool = this,
Name = name
};
this.Policy = policy;
policy.ConnectionString = connectionString;
this.availableHandler = availableHandler;
this.unavailableHandler = unavailableHandler;
}
public void Return(Object<DbConnection> obj, Exception exception, bool isRecreate = false)
{
if (exception != null && exception is OdbcException)
{
if (obj.Value.Ping() == false)
{
base.SetUnavailable(exception);
}
}
base.Return(obj, isRecreate);
}
}
class OdbcSqlServerConnectionPoolPolicy : IPolicy<DbConnection>
{
internal OdbcSqlServerConnectionPool _pool;
public string Name { get; set; } = "SqlServer OdbcConnection 对象池";
public int PoolSize { get; set; } = 100;
public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
public int AsyncGetCapacity { get; set; } = 10000;
public bool IsThrowGetTimeoutException { get; set; } = true;
public int CheckAvailableInterval { get; set; } = 5;
static ConcurrentDictionary<string, int> dicConnStrIncr = new ConcurrentDictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
private string _connectionString;
public string ConnectionString
{
get => _connectionString;
set
{
_connectionString = value ?? "";
var pattern = @"Max\s*pool\s*size\s*=\s*(\d+)";
Match m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success == false || int.TryParse(m.Groups[1].Value, out var poolsize) == false || poolsize <= 0) poolsize = 100;
var connStrIncr = dicConnStrIncr.AddOrUpdate(_connectionString, 1, (oldkey, oldval) => oldval + 1);
PoolSize = poolsize + connStrIncr;
_connectionString = m.Success ?
Regex.Replace(_connectionString, pattern, $"Max pool size={PoolSize}", RegexOptions.IgnoreCase) :
$"{_connectionString};Max pool size={PoolSize}";
pattern = @"Connection\s*LifeTime\s*=\s*(\d+)";
m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success)
{
IdleTimeout = TimeSpan.FromSeconds(int.Parse(m.Groups[1].Value));
_connectionString = Regex.Replace(_connectionString, pattern, "", RegexOptions.IgnoreCase);
}
var minPoolSize = 0;
pattern = @"Min\s*pool\s*size\s*=\s*(\d+)";
m = Regex.Match(_connectionString, pattern, RegexOptions.IgnoreCase);
if (m.Success)
{
minPoolSize = int.Parse(m.Groups[1].Value);
_connectionString = Regex.Replace(_connectionString, pattern, "", RegexOptions.IgnoreCase);
}
FreeSql.Internal.CommonUtils.PrevReheatConnectionPool(_pool, minPoolSize);
}
}
public bool OnCheckAvailable(Object<DbConnection> obj)
{
if (obj.Value.State == ConnectionState.Closed) obj.Value.Open();
return obj.Value.Ping(true);
}
public DbConnection OnCreate()
{
var conn = new OdbcConnection(_connectionString);
return conn;
}
public void OnDestroy(DbConnection obj)
{
if (obj.State != ConnectionState.Closed) obj.Close();
obj.Dispose();
}
public void OnGet(Object<DbConnection> obj)
{
if (_pool.IsAvailable)
{
if (obj.Value == null)
{
if (_pool.SetUnavailable(new Exception("连接字符串错误")) == true)
throw new Exception($"【{this.Name}】连接字符串错误，请检查。");
return;
}
if (obj.Value.State != ConnectionState.Open || DateTime.Now.Subtract(obj.LastReturnTime).TotalSeconds > 60 && obj.Value.Ping() == false)
{
try
{
obj.Value.Open();
}
catch (Exception ex)
{
if (_pool.SetUnavailable(ex) == true)
throw new Exception($"【{this.Name}】状态不可用，等待后台检查程序恢复方可使用。{ex.Message}");
}
}
}
}
async public Task OnGetAsync(Object<DbConnection> obj)
{
if (_pool.IsAvailable)
{
if (obj.Value == null)
{
if (_pool.SetUnavailable(new Exception("连接字符串错误")) == true)
throw new Exception($"【{this.Name}】连接字符串错误，请检查。");
return;
}
if (obj.Value.State != ConnectionState.Open || DateTime.Now.Subtract(obj.LastReturnTime).TotalSeconds > 60 && (await obj.Value.PingAsync()) == false)
{
try
{
await obj.Value.OpenAsync();
}
catch (Exception ex)
{
if (_pool.SetUnavailable(ex) == true)
throw new Exception($"【{this.Name}】状态不可用，等待后台检查程序恢复方可使用。{ex.Message}");
}
}
}
}
public void OnGetTimeout()
{
}
public void OnReturn(Object<DbConnection> obj)
{
if (obj.Value.State != ConnectionState.Closed) try { obj.Value.Close(); } catch { }
}
public void OnAvailable()
{
_pool.availableHandler?.Invoke();
}
public void OnUnavailable()
{
_pool.unavailableHandler?.Invoke();
}
}
static class DbConnectionExtensions
{
static DbCommand PingCommand(DbConnection conn)
{
var cmd = conn.CreateCommand();
cmd.CommandTimeout = 5;
cmd.CommandText = "select 1";
return cmd;
}
public static bool Ping(this DbConnection that, bool isThrow = false)
{
try
{
PingCommand(that).ExecuteNonQuery();
return true;
}
catch
{
if (that.State != ConnectionState.Closed) try { that.Close(); } catch { }
if (isThrow) throw;
return false;
}
}
async public static Task<bool> PingAsync(this DbConnection that, bool isThrow = false)
{
try
{
await PingCommand(that).ExecuteNonQueryAsync();
return true;
}
catch
{
if (that.State != ConnectionState.Closed) try { that.Close(); } catch { }
if (isThrow) throw;
return false;
}
}
}
}

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Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerCodeFirst.cs Normal file
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using FreeSql.DataAnnotations;
using FreeSql.DatabaseModel;
using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Data.Odbc;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerCodeFirst : Internal.CommonProvider.CodeFirstProvider
{
public override bool IsNoneCommandParameter { get => true; set => base.IsNoneCommandParameter = true; }
public OdbcSqlServerCodeFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression) : base(orm, commonUtils, commonExpression) { }
static object _dicCsToDbLock = new object();
static Dictionary<string, (OdbcType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)> _dicCsToDb = new Dictionary<string, (OdbcType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)>() {
{ typeof(bool).FullName, (OdbcType.Bit, "bit","bit NOT NULL", null, false, false) },{ typeof(bool?).FullName, (OdbcType.Bit, "bit","bit", null, true, null) },
{ typeof(sbyte).FullName, (OdbcType.SmallInt, "smallint", "smallint NOT NULL", false, false, 0) },{ typeof(sbyte?).FullName, (OdbcType.SmallInt, "smallint", "smallint", false, true, null) },
{ typeof(short).FullName, (OdbcType.SmallInt, "smallint","smallint NOT NULL", false, false, 0) },{ typeof(short?).FullName, (OdbcType.SmallInt, "smallint", "smallint", false, true, null) },
{ typeof(int).FullName, (OdbcType.Int, "int", "int NOT NULL", false, false, 0) },{ typeof(int?).FullName, (OdbcType.Int, "int", "int", false, true, null) },
{ typeof(long).FullName, (OdbcType.BigInt, "bigint","bigint NOT NULL", false, false, 0) },{ typeof(long?).FullName, (OdbcType.BigInt, "bigint","bigint", false, true, null) },
{ typeof(byte).FullName, (OdbcType.TinyInt, "tinyint","tinyint NOT NULL", true, false, 0) },{ typeof(byte?).FullName, (OdbcType.TinyInt, "tinyint","tinyint", true, true, null) },
{ typeof(ushort).FullName, (OdbcType.Int, "int","int NOT NULL", true, false, 0) },{ typeof(ushort?).FullName, (OdbcType.Int, "int", "int", true, true, null) },
{ typeof(uint).FullName, (OdbcType.BigInt, "bigint", "bigint NOT NULL", true, false, 0) },{ typeof(uint?).FullName, (OdbcType.BigInt, "bigint", "bigint", true, true, null) },
{ typeof(ulong).FullName, (OdbcType.Decimal, "decimal", "decimal(20,0) NOT NULL", true, false, 0) },{ typeof(ulong?).FullName, (OdbcType.Decimal, "decimal", "decimal(20,0)", true, true, null) },
{ typeof(double).FullName, (OdbcType.Double, "float", "float NOT NULL", false, false, 0) },{ typeof(double?).FullName, (OdbcType.Double, "float", "float", false, true, null) },
{ typeof(float).FullName, (OdbcType.Real, "real","real NOT NULL", false, false, 0) },{ typeof(float?).FullName, (OdbcType.Real, "real","real", false, true, null) },
{ typeof(decimal).FullName, (OdbcType.Decimal, "decimal", "decimal(10,2) NOT NULL", false, false, 0) },{ typeof(decimal?).FullName, (OdbcType.Decimal, "decimal", "decimal(10,2)", false, true, null) },
{ typeof(TimeSpan).FullName, (OdbcType.Time, "time","time NOT NULL", false, false, 0) },{ typeof(TimeSpan?).FullName, (OdbcType.Time, "time", "time",false, true, null) },
{ typeof(DateTime).FullName, (OdbcType.DateTime, "datetime", "datetime NOT NULL", false, false, new DateTime(1970,1,1)) },{ typeof(DateTime?).FullName, (OdbcType.DateTime, "datetime", "datetime", false, true, null) },
{ typeof(DateTimeOffset).FullName, (OdbcType.DateTime, "datetimeoffset", "datetimeoffset NOT NULL", false, false, new DateTimeOffset(new DateTime(1970,1,1), TimeSpan.Zero)) },{ typeof(DateTimeOffset?).FullName, (OdbcType.DateTime, "datetimeoffset", "datetimeoffset", false, true, null) },
{ typeof(byte[]).FullName, (OdbcType.VarBinary, "varbinary", "varbinary(255)", false, null, new byte[0]) },
{ typeof(string).FullName, (OdbcType.NVarChar, "nvarchar", "nvarchar(255)", false, null, "") },
{ typeof(Guid).FullName, (OdbcType.UniqueIdentifier, "uniqueidentifier", "uniqueidentifier NOT NULL", false, false, Guid.Empty) },{ typeof(Guid?).FullName, (OdbcType.UniqueIdentifier, "uniqueidentifier", "uniqueidentifier", false, true, null) },
};
public override (int type, string dbtype, string dbtypeFull, bool? isnullable, object defaultValue)? GetDbInfo(Type type)
{
if (_dicCsToDb.TryGetValue(type.FullName, out var trydc)) return new (int, string, string, bool?, object)?(((int)trydc.type, trydc.dbtype, trydc.dbtypeFull, trydc.isnullable, trydc.defaultValue));
if (type.IsArray) return null;
var enumType = type.IsEnum ? type : null;
if (enumType == null && type.IsNullableType() && type.GenericTypeArguments.Length == 1 && type.GenericTypeArguments.First().IsEnum) enumType = type.GenericTypeArguments.First();
if (enumType != null)
{
var newItem = enumType.GetCustomAttributes(typeof(FlagsAttribute), false).Any() ?
(OdbcType.BigInt, "bigint", $"bigint{(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0)) :
(OdbcType.Int, "int", $"int{(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0));
if (_dicCsToDb.ContainsKey(type.FullName) == false)
{
lock (_dicCsToDbLock)
{
if (_dicCsToDb.ContainsKey(type.FullName) == false)
_dicCsToDb.Add(type.FullName, newItem);
}
}
return ((int)newItem.Item1, newItem.Item2, newItem.Item3, newItem.Item5, newItem.Item6);
}
return null;
}
void AddOrUpdateMS_Description(StringBuilder sb, string schema, string table, string column, string comment)
{
if (string.IsNullOrEmpty(comment))
{
sb.AppendFormat(@"
IF ((SELECT COUNT(1) from fn_listextendedproperty('MS_Description',
'SCHEMA', N'{0}',
'TABLE', N'{1}',
'COLUMN', N'{2}')) > 0)
EXEC sp_dropextendedproperty @name = N'MS_Description'
, @level0type = 'SCHEMA', @level0name = N'{0}'
, @level1type = 'TABLE', @level1name = N'{1}'
, @level2type = 'COLUMN', @level2name = N'{2}'
", schema.Replace("'", "''"), table.Replace("'", "''"), column.Replace("'", "''"));
return;
}
sb.AppendFormat(@"
IF ((SELECT COUNT(1) from fn_listextendedproperty('MS_Description',
'SCHEMA', N'{0}',
'TABLE', N'{1}',
'COLUMN', N'{2}')) > 0)
EXEC sp_updateextendedproperty @name = N'MS_Description', @value = N'{3}'
, @level0type = 'SCHEMA', @level0name = N'{0}'
, @level1type = 'TABLE', @level1name = N'{1}'
, @level2type = 'COLUMN', @level2name = N'{2}'
ELSE
EXEC sp_addextendedproperty @name = N'MS_Description', @value = N'{3}'
, @level0type = 'SCHEMA', @level0name = N'{0}'
, @level1type = 'TABLE', @level1name = N'{1}'
, @level2type = 'COLUMN', @level2name = N'{2}'
", schema.Replace("'", "''"), table.Replace("'", "''"), column.Replace("'", "''"), comment?.Replace("'", "''") ?? "");
}
public override string GetComparisonDDLStatements(params Type[] entityTypes)
{
var conn = _orm.Ado.MasterPool.Get(TimeSpan.FromSeconds(5));
var database = conn.Value.Database;
Func<string, string, object> ExecuteScalar = (db, sql) =>
{
if (string.Compare(database, db) != 0) conn.Value.ChangeDatabase(db);
try
{
using (var cmd = conn.Value.CreateCommand())
{
cmd.CommandText = sql;
cmd.CommandType = CommandType.Text;
return cmd.ExecuteScalar();
}
}
finally
{
if (string.Compare(database, db) != 0) conn.Value.ChangeDatabase(database);
}
};
var sb = new StringBuilder();
try
{
foreach (var entityType in entityTypes)
{
if (sb.Length > 0) sb.Append("\r\n");
var tb = _commonUtils.GetTableByEntity(entityType);
if (tb == null) throw new Exception($"类型 {entityType.FullName} 不可迁移");
if (tb.Columns.Any() == false) throw new Exception($"类型 {entityType.FullName} 不可迁移，可迁移属性0个");
var tbname = tb.DbName.Split(new[] { '.' }, 3);
if (tbname?.Length == 1) tbname = new[] { database, "dbo", tbname[0] };
if (tbname?.Length == 2) tbname = new[] { database, tbname[0], tbname[1] };
var tboldname = tb.DbOldName?.Split(new[] { '.' }, 3); //旧表名
if (tboldname?.Length == 1) tboldname = new[] { database, "dbo", tboldname[0] };
if (tboldname?.Length == 2) tboldname = new[] { database, tboldname[0], tboldname[1] };
if (string.Compare(tbname[0], database, true) != 0 && ExecuteScalar(database, $" select 1 from sys.databases where name='{tbname[0]}'") == null) //创建数据库
ExecuteScalar(database, $"if not exists(select 1 from sys.databases where name='{tbname[0]}')\r\n\tcreate database [{tbname[0]}];");
if (string.Compare(tbname[1], "dbo", true) != 0 && ExecuteScalar(tbname[0], $" select 1 from sys.schemas where name='{tbname[1]}'") == null) //创建模式
ExecuteScalar(tbname[0], $"create schema [{tbname[1]}] authorization [dbo]");
var sbalter = new StringBuilder();
var istmpatler = false; //创建临时表，导入数据，删除旧表，修改
if (ExecuteScalar(tbname[0], $" select 1 from dbo.sysobjects where id = object_id(N'[{tbname[1]}].[{tbname[2]}]') and OBJECTPROPERTY(id, N'IsUserTable') = 1") == null)
{ //表不存在
if (tboldname != null)
{
if (string.Compare(tboldname[0], tbname[0], true) != 0 && ExecuteScalar(database, $" select 1 from sys.databases where name='{tboldname[0]}'") == null ||
string.Compare(tboldname[1], tbname[1], true) != 0 && ExecuteScalar(tboldname[0], $" select 1 from sys.schemas where name='{tboldname[1]}'") == null ||
ExecuteScalar(tboldname[0], $" select 1 from dbo.sysobjects where id = object_id(N'[{tboldname[1]}].[{tboldname[2]}]') and OBJECTPROPERTY(id, N'IsUserTable') = 1") == null)
//数据库或模式或表不存在
tboldname = null;
}
if (tboldname == null)
{
//创建新表
sb.Append("use ").Append(_commonUtils.QuoteSqlName(tbname[0])).Append(";\r\nCREATE TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[1]}.{tbname[2]}")).Append(" ( ");
var pkidx = 0;
foreach (var tbcol in tb.ColumnsByPosition)
{
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ");
sb.Append(tbcol.Attribute.DbType);
if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("identity", StringComparison.CurrentCultureIgnoreCase) == -1) sb.Append(" identity(1,1)");
if (tbcol.Attribute.IsPrimary == true)
{
if (tb.Primarys.Length > 1)
{
if (pkidx == tb.Primarys.Length - 1)
sb.Append(" primary key (").Append(string.Join(", ", tb.Primarys.Select(a => _commonUtils.QuoteSqlName(a.Attribute.Name)))).Append(")");
}
else
sb.Append(" primary key");
pkidx++;
}
sb.Append(",");
}
foreach (var uk in tb.Uniques)
{
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
sb.Remove(sb.Length - 1, 1).Append("\r\n);\r\n");
//备注
foreach (var tbcol in tb.ColumnsByPosition)
{
if (string.IsNullOrEmpty(tbcol.Comment) == false)
AddOrUpdateMS_Description(sb, tbname[1], tbname[2], tbcol.Attribute.Name, tbcol.Comment);
}
continue;
}
//如果新表，旧表在一个数据库和模式下，直接修改表名
if (string.Compare(tbname[0], tboldname[0], true) == 0 &&
string.Compare(tbname[1], tboldname[1], true) == 0)
sbalter.Append("use ").Append(_commonUtils.QuoteSqlName(tbname[0])).Append(_commonUtils.FormatSql(";\r\nEXEC sp_rename {0}, {1};\r\n", _commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}.{tboldname[2]}"), tbname[2]));
else
{
//如果新表，旧表不在一起，创建新表，导入数据，删除旧表
istmpatler = true;
}
}
else
tboldname = null; //如果新表已经存在，不走改表名逻辑
//对比字段，只可以修改类型、增加字段、有限的修改字段名；保证安全不删除字段
var sql = string.Format(@"
use [{0}];
select
a.name 'Column'
,b.name + case
when b.name in ('Char', 'VarChar', 'NChar', 'NVarChar', 'Binary', 'VarBinary') then '(' +
case when a.max_length = -1 then 'MAX'
when b.name in ('NChar', 'NVarchar') then cast(a.max_length / 2 as varchar)
else cast(a.max_length as varchar) end + ')'
when b.name in ('Numeric', 'Decimal') then '(' + cast(a.precision as varchar) + ',' + cast(a.scale as varchar) + ')'
else '' end as 'SqlType'
,case when a.is_nullable = 1 then '1' else '0' end 'IsNullable'
,case when a.is_identity = 1 then '1' else '0' end 'IsIdentity'
,c.value
from sys.columns a
inner join sys.types b on b.user_type_id = a.user_type_id
left join sys.extended_properties AS c ON c.major_id = a.object_id AND c.minor_id = a.column_id
left join sys.tables d on d.object_id = a.object_id
left join sys.schemas e on e.schema_id = d.schema_id
where a.object_id in (object_id(N'[{1}].[{2}]'));
use " + database, tboldname ?? tbname);
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
var tbstruct = ds.ToDictionary(a => string.Concat(a[0]), a => new
{
column = string.Concat(a[0]),
sqlType = string.Concat(a[1]),
is_nullable = string.Concat(a[2]) == "1",
is_identity = string.Concat(a[3]) == "1",
comment = string.Concat(a[4])
}, StringComparer.CurrentCultureIgnoreCase);
if (istmpatler == false)
{
foreach (var tbcol in tb.ColumnsByPosition)
{
if (tbstruct.TryGetValue(tbcol.Attribute.Name, out var tbstructcol) ||
string.IsNullOrEmpty(tbcol.Attribute.OldName) == false && tbstruct.TryGetValue(tbcol.Attribute.OldName, out tbstructcol))
{
var isCommentChanged = tbstructcol.comment != (tbcol.Comment ?? "");
if (tbcol.Attribute.DbType.StartsWith(tbstructcol.sqlType, StringComparison.CurrentCultureIgnoreCase) == false ||
tbcol.Attribute.IsNullable != tbstructcol.is_nullable ||
tbcol.Attribute.IsIdentity != tbstructcol.is_identity)
{
istmpatler = true;
break;
}
if (string.Compare(tbstructcol.column, tbcol.Attribute.OldName, true) == 0)
//修改列名
sbalter.Append(_commonUtils.FormatSql("EXEC sp_rename {0}, {1}, 'COLUMN';\r\n", $"{tbname[0]}.{tbname[1]}.{tbname[2]}.{tbstructcol.column}", tbcol.Attribute.Name));
if (isCommentChanged)
//修改备备注
AddOrUpdateMS_Description(sbalter, tbname[1], tbname[2], tbcol.Attribute.Name, tbcol.Comment);
continue;
}
//添加列
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbname[2]}")).Append(" ADD ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType);
if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("identity", StringComparison.CurrentCultureIgnoreCase) == -1) sbalter.Append(" identity(1,1)");
if (tbcol.Attribute.IsNullable == false)
{
var addcoldbdefault = tbcol.Attribute.DbDefautValue;
if (addcoldbdefault != null) sbalter.Append(_commonUtils.FormatSql(" default({0})", addcoldbdefault));
}
sbalter.Append(";\r\n");
if (string.IsNullOrEmpty(tbcol.Comment) == false) AddOrUpdateMS_Description(sbalter, tbname[1], tbname[2], tbcol.Attribute.Name, tbcol.Comment);
}
var dsuksql = string.Format(@"
use [{0}];
select
c.name
,d.name
from sys.index_columns a
inner join sys.indexes b on b.object_id = a.object_id and b.index_id = a.index_id
left join sys.columns c on c.object_id = a.object_id and c.column_id = a.column_id
left join sys.key_constraints d on d.parent_object_id = b.object_id and d.unique_index_id = b.index_id
where a.object_id in (object_id(N'[{1}].[{2}]')) and b.is_unique = 1;
use " + database, tboldname ?? tbname);
var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
foreach (var uk in tb.Uniques)
{
if (string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count)
{
if (dsukfind1.Any()) sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbname[2]}")).Append(" DROP CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(";\r\n");
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbname[2]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sbalter.Remove(sbalter.Length - 2, 2).Append(");\r\n");
}
}
}
if (istmpatler == false)
{
sb.Append(sbalter).Append("\r\nuse " + database);
continue;
}
//创建临时表，数据导进临时表，然后删除原表，将临时表改名为原表名
bool idents = false;
var tablename = tboldname == null ? _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbname[2]}") : _commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}.{tboldname[2]}");
var tmptablename = _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.FreeSqlTmp_{tbname[2]}");
sb.Append("BEGIN TRANSACTION\r\n")
.Append("SET QUOTED_IDENTIFIER ON\r\n")
.Append("SET ARITHABORT ON\r\n")
.Append("SET NUMERIC_ROUNDABORT OFF\r\n")
.Append("SET CONCAT_NULL_YIELDS_NULL ON\r\n")
.Append("SET ANSI_NULLS ON\r\n")
.Append("SET ANSI_PADDING ON\r\n")
.Append("SET ANSI_WARNINGS ON\r\n")
.Append("COMMIT\r\n");
sb.Append("BEGIN TRANSACTION;\r\n");
//创建临时表
sb.Append("CREATE TABLE ").Append(tmptablename).Append(" ( ");
var pkidx2 = 0;
foreach (var tbcol in tb.ColumnsByPosition)
{
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ");
sb.Append(tbcol.Attribute.DbType);
if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("identity", StringComparison.CurrentCultureIgnoreCase) == -1) sb.Append(" identity(1,1)");
if (tbcol.Attribute.IsPrimary == true)
{
if (tb.Primarys.Length > 1)
{
if (pkidx2 == tb.Primarys.Length - 1)
sb.Append(" primary key (").Append(string.Join(", ", tb.Primarys.Select(a => _commonUtils.QuoteSqlName(a.Attribute.Name)))).Append(")");
}
else
sb.Append(" primary key");
pkidx2++;
}
sb.Append(",");
idents = idents || tbcol.Attribute.IsIdentity == true;
}
foreach (var uk in tb.Uniques)
{
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
sb.Remove(sb.Length - 1, 1).Append("\r\n);\r\n");
//备注
foreach (var tbcol in tb.ColumnsByPosition)
{
if (string.IsNullOrEmpty(tbcol.Comment) == false)
AddOrUpdateMS_Description(sb, tbname[1], $"FreeSqlTmp_{tbname[2]}", tbcol.Attribute.Name, tbcol.Comment);
}
sb.Append("ALTER TABLE ").Append(tmptablename).Append(" SET (LOCK_ESCALATION = TABLE);\r\n");
if (idents) sb.Append("SET IDENTITY_INSERT ").Append(tmptablename).Append(" ON;\r\n");
sb.Append("IF EXISTS(SELECT 1 FROM ").Append(tablename).Append(")\r\n");
sb.Append("\tEXEC('INSERT INTO ").Append(tmptablename).Append(" (");
foreach (var tbcol in tb.ColumnsByPosition)
sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append(")\r\n\t\tSELECT ");
foreach (var tbcol in tb.ColumnsByPosition)
{
var insertvalue = "NULL";
if (tbstruct.TryGetValue(tbcol.Attribute.Name, out var tbstructcol) ||
string.IsNullOrEmpty(tbcol.Attribute.OldName) == false && tbstruct.TryGetValue(tbcol.Attribute.OldName, out tbstructcol))
{
insertvalue = _commonUtils.QuoteSqlName(tbstructcol.column);
if (tbcol.Attribute.DbType.StartsWith(tbstructcol.sqlType, StringComparison.CurrentCultureIgnoreCase) == false)
insertvalue = $"cast({insertvalue} as {tbcol.Attribute.DbType.Split(' ').First()})";
if (tbcol.Attribute.IsNullable != tbstructcol.is_nullable)
insertvalue = $"isnull({insertvalue},{_commonUtils.FormatSql("{0}", GetTransferDbDefaultValue(tbcol))})";
}
else if (tbcol.Attribute.IsNullable == false)
insertvalue = _commonUtils.FormatSql("{0}", GetTransferDbDefaultValue(tbcol));
sb.Append(insertvalue.Replace("'", "''")).Append(", ");
}
sb.Remove(sb.Length - 2, 2).Append(" FROM ").Append(tablename).Append(" WITH (HOLDLOCK TABLOCKX)');\r\n");
if (idents) sb.Append("SET IDENTITY_INSERT ").Append(tmptablename).Append(" OFF;\r\n");
sb.Append("DROP TABLE ").Append(tablename).Append(";\r\n");
sb.Append("EXECUTE sp_rename N'").Append(tmptablename).Append("', N'").Append(tbname[2]).Append("', 'OBJECT';\r\n");
sb.Append("COMMIT;\r\n");
}
return sb.Length == 0 ? null : sb.ToString();
}
finally
{
try
{
conn.Value.ChangeDatabase(database);
_orm.Ado.MasterPool.Return(conn);
}
catch
{
_orm.Ado.MasterPool.Return(conn, true);
}
}
}
object GetTransferDbDefaultValue(ColumnInfo col)
{
var ddv = col.Attribute.DbDefautValue;
if (ddv == null) return ddv;
if (ddv is DateTime || ddv is DateTime?)
{
var dt = (DateTime)ddv;
if (col.Attribute.DbType.Contains("SMALLDATETIME") && dt < new DateTime(1900, 1, 1)) ddv = new DateTime(1900, 1, 1);
else if (col.Attribute.DbType.Contains("DATETIME") && dt < new DateTime(1753, 1, 1)) ddv = new DateTime(1753, 1, 1);
else if (col.Attribute.DbType.Contains("DATE") && dt < new DateTime(0001, 1, 1)) ddv = new DateTime(0001, 1, 1);
}
return ddv;
}
}
}

447
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerDbFirst.cs Normal file
View File

@@ -0,0 +1,447 @@
using FreeSql.DatabaseModel;
using FreeSql.Internal;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Odbc;
using System.Linq;
using System.Text.RegularExpressions;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerDbFirst : IDbFirst
{
IFreeSql _orm;
protected CommonUtils _commonUtils;
protected CommonExpression _commonExpression;
public OdbcSqlServerDbFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
{
_orm = orm;
_commonUtils = commonUtils;
_commonExpression = commonExpression;
}
public int GetDbType(DbColumnInfo column) => (int)GetSqlDbType(column);
OdbcType GetSqlDbType(DbColumnInfo column)
{
switch (column.DbTypeText.ToLower())
{
case "bit": return OdbcType.Bit;
case "tinyint": return OdbcType.TinyInt;
case "smallint": return OdbcType.SmallInt;
case "int": return OdbcType.Int;
case "bigint": return OdbcType.BigInt;
case "numeric":
case "decimal": return OdbcType.Decimal;
case "smallmoney": return OdbcType.Decimal;
case "money": return OdbcType.Decimal;
case "float": return OdbcType.Double;
case "real": return OdbcType.Real;
case "date": return OdbcType.Date;
case "datetime":
case "datetime2": return OdbcType.DateTime;
case "datetimeoffset": return OdbcType.DateTime;
case "smalldatetime": return OdbcType.SmallDateTime;
case "time": return OdbcType.Time;
case "char": return OdbcType.Char;
case "varchar": return OdbcType.VarChar;
case "text": return OdbcType.Text;
case "nchar": return OdbcType.NChar;
case "nvarchar": return OdbcType.NVarChar;
case "ntext": return OdbcType.NText;
case "binary": return OdbcType.Binary;
case "varbinary": return OdbcType.VarBinary;
case "image": return OdbcType.Image;
case "timestamp": return OdbcType.Timestamp;
case "uniqueidentifier": return OdbcType.UniqueIdentifier;
default: return OdbcType.NVarChar;
}
}
static readonly Dictionary<int, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)> _dicDbToCs = new Dictionary<int, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)>() {
{ (int)OdbcType.Bit, ("(bool?)", "{0} == \"1\"", "{0} == true ? \"1\" : \"0\"", "bool?", typeof(bool), typeof(bool?), "{0}.Value", "GetBoolean") },
{ (int)OdbcType.TinyInt, ("(byte?)", "byte.Parse({0})", "{0}.ToString()", "byte?", typeof(byte), typeof(byte?), "{0}.Value", "GetByte") },
{ (int)OdbcType.SmallInt, ("(short?)", "short.Parse({0})", "{0}.ToString()", "short?", typeof(short), typeof(short?), "{0}.Value", "GetInt16") },
{ (int)OdbcType.Int, ("(int?)", "int.Parse({0})", "{0}.ToString()", "int?", typeof(int), typeof(int?), "{0}.Value", "GetInt32") },
{ (int)OdbcType.BigInt, ("(long?)", "long.Parse({0})", "{0}.ToString()", "long?", typeof(long), typeof(long?), "{0}.Value", "GetInt64") },
{ (int)OdbcType.Decimal, ("(decimal?)", "decimal.Parse({0})", "{0}.ToString()", "decimal?", typeof(decimal), typeof(decimal?), "{0}.Value", "GetDecimal") },
{ (int)OdbcType.Double, ("(double?)", "double.Parse({0})", "{0}.ToString()", "double?", typeof(double), typeof(double?), "{0}.Value", "GetDouble") },
{ (int)OdbcType.Real, ("(float?)", "float.Parse({0})", "{0}.ToString()", "float?", typeof(float), typeof(float?), "{0}.Value", "GetFloat") },
{ (int)OdbcType.Time, ("(TimeSpan?)", "TimeSpan.Parse(double.Parse({0}))", "{0}.Ticks.ToString()", "TimeSpan?", typeof(TimeSpan), typeof(TimeSpan?), "{0}.Value", "GetValue") },
{ (int)OdbcType.Date, ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetDateTime") },
{ (int)OdbcType.DateTime, ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetDateTime") },
{ (int)OdbcType.SmallDateTime, ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetDateTime") },
{ (int)OdbcType.Binary, ("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
{ (int)OdbcType.VarBinary, ("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
{ (int)OdbcType.Image, ("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
{ (int)OdbcType.Timestamp, ("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
{ (int)OdbcType.Char, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ (int)OdbcType.VarChar, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ (int)OdbcType.Text, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ (int)OdbcType.NChar, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ (int)OdbcType.NVarChar, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ (int)OdbcType.NText, ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
{ (int)OdbcType.UniqueIdentifier, ("(Guid?)", "Guid.Parse({0})", "{0}.ToString()", "Guid?", typeof(Guid), typeof(Guid?), "{0}.Value", "GetGuid") },
};
public string GetCsConvert(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? (column.IsNullable ? trydc.csConvert : trydc.csConvert.Replace("?", "")) : null;
public string GetCsParse(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.csParse : null;
public string GetCsStringify(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.csStringify : null;
public string GetCsType(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? (column.IsNullable ? trydc.csType : trydc.csType.Replace("?", "")) : null;
public Type GetCsTypeInfo(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.csTypeInfo : null;
public string GetCsTypeValue(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.csTypeValue : null;
public string GetDataReaderMethod(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbType, out var trydc) ? trydc.dataReaderMethod : null;
public List<string> GetDatabases()
{
var sql = @" select name from sys.databases where name not in ('master','tempdb','model','msdb')";
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
return ds.Select(a => a.FirstOrDefault()?.ToString()).ToList();
}
public List<DbTableInfo> GetTablesByDatabase(params string[] database)
{
var olddatabase = "";
using (var conn = _orm.Ado.MasterPool.Get(TimeSpan.FromSeconds(5)))
{
olddatabase = conn.Value.Database;
}
var dbs = database == null || database.Any() == false ? new[] { olddatabase } : database;
var tables = new List<DbTableInfo>();
foreach (var db in dbs)
{
if (string.IsNullOrEmpty(db)) continue;
var loc1 = new List<DbTableInfo>();
var loc2 = new Dictionary<int, DbTableInfo>();
var loc3 = new Dictionary<int, Dictionary<string, DbColumnInfo>>();
var sql = $@"
use [{db}];
select
a.Object_id
,b.name 'Owner'
,a.name 'Name'
,c.value
,'TABLE' type
from sys.tables a
inner join sys.schemas b on b.schema_id = a.schema_id
left join sys.extended_properties AS c ON c.major_id = a.object_id AND c.minor_id = 0 AND c.name = 'MS_Description'
where not(b.name = 'dbo' and a.name = 'sysdiagrams')
union all
select
a.Object_id
,b.name 'Owner'
,a.name 'Name'
,c.value
,'VIEW' type
from sys.views a
inner join sys.schemas b on b.schema_id = a.schema_id
left join sys.extended_properties AS c ON c.major_id = a.object_id AND c.minor_id = 0 AND c.name = 'MS_Description'
union all
select
a.Object_id
,b.name 'Owner'
,a.name 'Name'
,c.value
,'StoreProcedure' type
from sys.procedures a
inner join sys.schemas b on b.schema_id = a.schema_id
left join sys.extended_properties AS c ON c.major_id = a.object_id AND c.minor_id = 0 AND c.name = 'MS_Description'
where a.type = 'P' and charindex('diagram', a.name) = 0
order by type desc, b.name, a.name
;
use [{olddatabase}];
";
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var loc6 = new List<int>();
var loc66 = new List<int>();
foreach (object[] row in ds)
{
int object_id = int.Parse(string.Concat(row[0]));
var owner = string.Concat(row[1]);
var table = string.Concat(row[2]);
var comment = string.Concat(row[3]);
Enum.TryParse<DbTableType>(string.Concat(row[4]), out var type);
loc2.Add(object_id, new DbTableInfo { Id = object_id.ToString(), Schema = owner, Name = table, Comment = comment, Type = type });
loc3.Add(object_id, new Dictionary<string, DbColumnInfo>());
switch (type)
{
case DbTableType.VIEW:
case DbTableType.TABLE:
loc6.Add(object_id);
break;
case DbTableType.StoreProcedure:
loc66.Add(object_id);
break;
}
}
if (loc6.Count == 0) return loc1;
var loc8 = string.Join(",", loc6.Select(a => string.Concat(a)));
var loc88 = string.Join(",", loc66.Select(a => string.Concat(a)));
var tsql_place = @"
select
isnull(e.name,'') + '.' + isnull(d.name,'')
,a.Object_id
,a.name 'Column'
,b.name 'Type'
,case
when b.name in ('Text', 'NText', 'Image') then -1
when b.name in ('NChar', 'NVarchar') then a.max_length / 2
else a.max_length end 'Length'
,b.name + case
when b.name in ('Char', 'VarChar', 'NChar', 'NVarChar', 'Binary', 'VarBinary') then '(' +
case when a.max_length = -1 then 'MAX'
when b.name in ('NChar', 'NVarchar') then cast(a.max_length / 2 as varchar)
else cast(a.max_length as varchar) end + ')'
when b.name in ('Numeric', 'Decimal') then '(' + cast(a.precision as varchar) + ',' + cast(a.scale as varchar) + ')'
else '' end as 'SqlType'
,c.value
{0} a
inner join sys.types b on b.user_type_id = a.user_type_id
left join sys.extended_properties AS c ON c.major_id = a.object_id AND c.minor_id = a.column_id
left join sys.tables d on d.object_id = a.object_id
left join sys.schemas e on e.schema_id = d.schema_id
where a.object_id in ({1})
";
sql = string.Format(tsql_place, @"
,a.is_nullable 'IsNullable'
,a.is_identity 'IsIdentity'
from sys.columns", loc8);
if (loc88.Length > 0)
{
sql += "union all" +
string.Format(tsql_place.Replace(
"left join sys.extended_properties AS c ON c.major_id = a.object_id AND c.minor_id = a.column_id",
"left join sys.extended_properties AS c ON c.major_id = a.object_id AND c.minor_id = a.parameter_id"), @"
,cast(0 as bit) 'IsNullable'
,a.is_output 'IsIdentity'
from sys.parameters", loc88);
}
sql = $"use [{db}];{sql};use [{olddatabase}]; ";
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
foreach (object[] row in ds)
{
var table_id = string.Concat(row[0]);
var object_id = int.Parse(string.Concat(row[1]));
var column = string.Concat(row[2]);
var type = string.Concat(row[3]);
var max_length = int.Parse(string.Concat(row[4]));
var sqlType = string.Concat(row[5]);
var comment = string.Concat(row[6]);
var is_nullable = bool.Parse(string.Concat(row[7]));
var is_identity = bool.Parse(string.Concat(row[8]));
if (max_length == 0) max_length = -1;
loc3[object_id].Add(column, new DbColumnInfo
{
Name = column,
MaxLength = max_length,
IsIdentity = is_identity,
IsNullable = is_nullable,
IsPrimary = false,
DbTypeText = type,
DbTypeTextFull = sqlType,
Table = loc2[object_id],
Coment = comment
});
loc3[object_id][column].DbType = this.GetDbType(loc3[object_id][column]);
loc3[object_id][column].CsType = this.GetCsTypeInfo(loc3[object_id][column]);
}
sql = $@"
use [{db}];
select
a.object_id 'Object_id'
,c.name 'Column'
,d.name 'Index_id'
,b.is_unique 'IsUnique'
,b.is_primary_key 'IsPrimaryKey'
,cast(case when b.type_desc = 'CLUSTERED' then 1 else 0 end as bit) 'IsClustered'
,case when a.is_descending_key = 1 then 2 when a.is_descending_key = 0 then 1 else 0 end 'IsDesc'
from sys.index_columns a
inner join sys.indexes b on b.object_id = a.object_id and b.index_id = a.index_id
left join sys.columns c on c.object_id = a.object_id and c.column_id = a.column_id
left join sys.key_constraints d on d.parent_object_id = b.object_id and d.unique_index_id = b.index_id
where a.object_id in ({loc8})
;
use [{olddatabase}];
";
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var indexColumns = new Dictionary<int, Dictionary<string, List<DbColumnInfo>>>();
var uniqueColumns = new Dictionary<int, Dictionary<string, List<DbColumnInfo>>>();
foreach (object[] row in ds)
{
int object_id = int.Parse(string.Concat(row[0]));
string column = string.Concat(row[1]);
string index_id = string.Concat(row[2]);
bool is_unique = bool.Parse(string.Concat(row[3]));
bool is_primary_key = bool.Parse(string.Concat(row[4]));
bool is_clustered = bool.Parse(string.Concat(row[5]));
int is_desc = int.Parse(string.Concat(row[6]));
if (loc3.ContainsKey(object_id) == false || loc3[object_id].ContainsKey(column) == false) continue;
DbColumnInfo loc9 = loc3[object_id][column];
if (loc9.IsPrimary == false && is_primary_key) loc9.IsPrimary = is_primary_key;
Dictionary<string, List<DbColumnInfo>> loc10 = null;
List<DbColumnInfo> loc11 = null;
if (!indexColumns.TryGetValue(object_id, out loc10))
indexColumns.Add(object_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
if (!loc10.TryGetValue(index_id, out loc11))
loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
loc11.Add(loc9);
if (is_unique && !is_primary_key)
{
if (!uniqueColumns.TryGetValue(object_id, out loc10))
uniqueColumns.Add(object_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
if (!loc10.TryGetValue(index_id, out loc11))
loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
loc11.Add(loc9);
}
}
foreach (var object_id in indexColumns.Keys)
{
foreach (var column in indexColumns[object_id])
loc2[object_id].IndexesDict.Add(column.Key, column.Value);
}
foreach (var object_id in uniqueColumns.Keys)
{
foreach (var column in uniqueColumns[object_id])
{
column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
loc2[object_id].UniquesDict.Add(column.Key, column.Value);
}
}
sql = $@"
use [{db}];
select
b.object_id 'Object_id'
,c.name 'Column'
,e.name 'FKId'
,a.referenced_object_id
,cast(1 as bit) 'IsForeignKey'
,d.name 'Referenced_Column'
,null 'Referenced_Sln'
,null 'Referenced_Table'
from sys.foreign_key_columns a
inner join sys.tables b on b.object_id = a.parent_object_id
inner join sys.columns c on c.object_id = a.parent_object_id and c.column_id = a.parent_column_id
inner join sys.columns d on d.object_id = a.referenced_object_id and d.column_id = a.referenced_column_id
left join sys.foreign_keys e on e.object_id = a.constraint_object_id
where b.object_id in ({loc8})
;
use [{olddatabase}];
";
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
if (ds == null) return loc1;
var fkColumns = new Dictionary<int, Dictionary<string, DbForeignInfo>>();
foreach (object[] row in ds)
{
int object_id, referenced_object_id;
int.TryParse(string.Concat(row[0]), out object_id);
var column = string.Concat(row[1]);
string fk_id = string.Concat(row[2]);
int.TryParse(string.Concat(row[3]), out referenced_object_id);
var is_foreign_key = bool.Parse(string.Concat(row[4]));
var referenced_column = string.Concat(row[5]);
var referenced_db = string.Concat(row[6]);
var referenced_table = string.Concat(row[7]);
DbColumnInfo loc9 = loc3[object_id][column];
DbTableInfo loc10 = null;
DbColumnInfo loc11 = null;
bool isThisSln = referenced_object_id != 0;
if (isThisSln)
{
loc10 = loc2[referenced_object_id];
loc11 = loc3[referenced_object_id][referenced_column];
}
else
{
}
Dictionary<string, DbForeignInfo> loc12 = null;
DbForeignInfo loc13 = null;
if (!fkColumns.TryGetValue(object_id, out loc12))
fkColumns.Add(object_id, loc12 = new Dictionary<string, DbForeignInfo>());
if (!loc12.TryGetValue(fk_id, out loc13))
loc12.Add(fk_id, loc13 = new DbForeignInfo { Table = loc2[object_id], ReferencedTable = loc10 });
loc13.Columns.Add(loc9);
loc13.ReferencedColumns.Add(loc11);
}
foreach (var table_id in fkColumns.Keys)
foreach (var fk in fkColumns[table_id])
loc2[table_id].ForeignsDict.Add(fk.Key, fk.Value);
foreach (var table_id in loc3.Keys)
{
foreach (var loc5 in loc3[table_id].Values)
{
loc2[table_id].Columns.Add(loc5);
if (loc5.IsIdentity) loc2[table_id].Identitys.Add(loc5);
if (loc5.IsPrimary) loc2[table_id].Primarys.Add(loc5);
}
}
foreach (var loc4 in loc2.Values)
{
if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0)
{
foreach (var loc5 in loc4.UniquesDict.First().Value)
{
loc5.IsPrimary = true;
loc4.Primarys.Add(loc5);
}
}
loc4.Primarys.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
loc4.Columns.Sort((c1, c2) =>
{
int compare = c2.IsPrimary.CompareTo(c1.IsPrimary);
if (compare == 0)
{
bool b1 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c1.Name).Any()).Any();
bool b2 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c2.Name).Any()).Any();
compare = b2.CompareTo(b1);
}
if (compare == 0) compare = c1.Name.CompareTo(c2.Name);
return compare;
});
loc1.Add(loc4);
}
loc1.Sort((t1, t2) =>
{
var ret = t1.Schema.CompareTo(t2.Schema);
if (ret == 0) ret = t1.Name.CompareTo(t2.Name);
return ret;
});
loc2.Clear();
loc3.Clear();
tables.AddRange(loc1);
}
return tables;
}
public List<DbEnumInfo> GetEnumsByDatabase(params string[] database)
{
return new List<DbEnumInfo>();
}
}
}

438
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerExpression.cs Normal file
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using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace FreeSql.Odbc.SqlServer
{
class OdbcSqlServerExpression : CommonExpression
{
public OdbcSqlServerExpression(CommonUtils common) : base(common) { }
public override string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (exp.NodeType)
{
case ExpressionType.Convert:
var operandExp = (exp as UnaryExpression)?.Operand;
var gentype = exp.Type.NullableTypeOrThis();
if (gentype != operandExp.Type.NullableTypeOrThis())
{
switch (gentype.ToString())
{
case "System.Boolean": return $"(cast({getExp(operandExp)} as varchar) not in ('0','false'))";
case "System.Byte": return $"cast({getExp(operandExp)} as tinyint)";
case "System.Char": return $"substring(cast({getExp(operandExp)} as nvarchar),1,1)";
case "System.DateTime": return $"cast({getExp(operandExp)} as datetime)";
case "System.Decimal": return $"cast({getExp(operandExp)} as decimal(36,18))";
case "System.Double": return $"cast({getExp(operandExp)} as decimal(32,16))";
case "System.Int16": return $"cast({getExp(operandExp)} as smallint)";
case "System.Int32": return $"cast({getExp(operandExp)} as int)";
case "System.Int64": return $"cast({getExp(operandExp)} as bigint)";
case "System.SByte": return $"cast({getExp(operandExp)} as tinyint)";
case "System.Single": return $"cast({getExp(operandExp)} as decimal(14,7))";
case "System.String": return operandExp.Type.NullableTypeOrThis() == typeof(Guid) ? $"cast({getExp(operandExp)} as varchar(36))" : $"cast({getExp(operandExp)} as nvarchar)";
case "System.UInt16": return $"cast({getExp(operandExp)} as smallint)";
case "System.UInt32": return $"cast({getExp(operandExp)} as int)";
case "System.UInt64": return $"cast({getExp(operandExp)} as bigint)";
case "System.Guid": return $"cast({getExp(operandExp)} as uniqueidentifier)";
}
}
break;
case ExpressionType.Call:
var callExp = exp as MethodCallExpression;
switch (callExp.Method.Name)
{
case "Parse":
case "TryParse":
switch (callExp.Method.DeclaringType.NullableTypeOrThis().ToString())
{
case "System.Boolean": return $"(cast({getExp(callExp.Arguments[0])} as varchar) not in ('0','false'))";
case "System.Byte": return $"cast({getExp(callExp.Arguments[0])} as tinyint)";
case "System.Char": return $"substring(cast({getExp(callExp.Arguments[0])} as nvarchar),1,1)";
case "System.DateTime": return $"cast({getExp(callExp.Arguments[0])} as datetime)";
case "System.Decimal": return $"cast({getExp(callExp.Arguments[0])} as decimal(36,18))";
case "System.Double": return $"cast({getExp(callExp.Arguments[0])} as decimal(32,16))";
case "System.Int16": return $"cast({getExp(callExp.Arguments[0])} as smallint)";
case "System.Int32": return $"cast({getExp(callExp.Arguments[0])} as int)";
case "System.Int64": return $"cast({getExp(callExp.Arguments[0])} as bigint)";
case "System.SByte": return $"cast({getExp(callExp.Arguments[0])} as tinyint)";
case "System.Single": return $"cast({getExp(callExp.Arguments[0])} as decimal(14,7))";
case "System.UInt16": return $"cast({getExp(callExp.Arguments[0])} as smallint)";
case "System.UInt32": return $"cast({getExp(callExp.Arguments[0])} as int)";
case "System.UInt64": return $"cast({getExp(callExp.Arguments[0])} as bigint)";
case "System.Guid": return $"cast({getExp(callExp.Arguments[0])} as uniqueidentifier)";
}
break;
case "NewGuid":
switch (callExp.Method.DeclaringType.NullableTypeOrThis().ToString())
{
case "System.Guid": return $"newid()";
}
break;
case "Next":
if (callExp.Object?.Type == typeof(Random)) return "cast(rand()*1000000000 as int)";
break;
case "NextDouble":
if (callExp.Object?.Type == typeof(Random)) return "rand()";
break;
case "Random":
if (callExp.Method.DeclaringType.IsNumberType()) return "rand()";
break;
case "ToString":
if (callExp.Object != null) return callExp.Arguments.Count == 0 ? (callExp.Object.Type.NullableTypeOrThis() == typeof(Guid) ? $"cast({getExp(callExp.Object)} as varchar(36))" : $"cast({getExp(callExp.Object)} as nvarchar)") : null;
break;
}
var objExp = callExp.Object;
var objType = objExp?.Type;
if (objType?.FullName == "System.Byte[]") return null;
var argIndex = 0;
if (objType == null && callExp.Method.DeclaringType == typeof(Enumerable))
{
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArray || typeof(IList).IsAssignableFrom(callExp.Method.DeclaringType))
{
var left = objExp == null ? null : getExp(objExp);
switch (callExp.Method.Name)
{
case "Contains":
//判断 in
return $"({getExp(callExp.Arguments[argIndex])}) in {left}";
}
}
break;
case ExpressionType.NewArrayInit:
var arrExp = exp as NewArrayExpression;
var arrSb = new StringBuilder();
arrSb.Append("(");
for (var a = 0; a < arrExp.Expressions.Count; a++)
{
if (a > 0) arrSb.Append(",");
arrSb.Append(getExp(arrExp.Expressions[a]));
}
if (arrSb.Length == 1) arrSb.Append("NULL");
return arrSb.Append(")").ToString();
case ExpressionType.ListInit:
var listExp = exp as ListInitExpression;
var listSb = new StringBuilder();
listSb.Append("(");
for (var a = 0; a < listExp.Initializers.Count; a++)
{
if (listExp.Initializers[a].Arguments.Any() == false) continue;
if (a > 0) listSb.Append(",");
listSb.Append(getExp(listExp.Initializers[a].Arguments.FirstOrDefault()));
}
if (listSb.Length == 1) listSb.Append("NULL");
return listSb.Append(")").ToString();
case ExpressionType.New:
var newExp = exp as NewExpression;
if (typeof(IList).IsAssignableFrom(newExp.Type))
{
if (newExp.Arguments.Count == 0) return "(NULL)";
if (typeof(IEnumerable).IsAssignableFrom(newExp.Arguments[0].Type) == false) return "(NULL)";
return getExp(newExp.Arguments[0]);
}
return null;
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Empty": return "''";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Length": return $"len({left})";
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Now": return "getdate()";
case "UtcNow": return "getutcdate()";
case "Today": return "convert(char(10),getdate(),120)";
case "MinValue": return "'1753/1/1 0:00:00'";
case "MaxValue": return "'9999/12/31 23:59:59'";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Date": return $"convert(char(10),{left},120)";
case "TimeOfDay": return $"datediff(second, convert(char(10),{left},120), {left})";
case "DayOfWeek": return $"(datepart(weekday, {left})-1)";
case "Day": return $"datepart(day, {left})";
case "DayOfYear": return $"datepart(dayofyear, {left})";
case "Month": return $"datepart(month, {left})";
case "Year": return $"datepart(year, {left})";
case "Hour": return $"datepart(hour, {left})";
case "Minute": return $"datepart(minute, {left})";
case "Second": return $"datepart(second, {left})";
case "Millisecond": return $"(datepart(millisecond, {left})/1000)";
case "Ticks": return $"(cast(datediff(second, '1970-1-1', {left}) as bigint)*10000000+621355968000000000)";
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Zero": return "0";
case "MinValue": return "-922337203685477580"; //微秒 Ticks / 10
case "MaxValue": return "922337203685477580";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Days": return $"floor(({left})/{60 * 60 * 24})";
case "Hours": return $"floor(({left})/{60 * 60}%24)";
case "Milliseconds": return $"(cast({left} as bigint)*1000)";
case "Minutes": return $"floor(({left})/60%60)";
case "Seconds": return $"(({left})%60)";
case "Ticks": return $"(cast({left} as bigint)*10000000)";
case "TotalDays": return $"(({left})/{60 * 60 * 24})";
case "TotalHours": return $"(({left})/{60 * 60})";
case "TotalMilliseconds": return $"(cast({left} as bigint)*1000)";
case "TotalMinutes": return $"(({left})/60)";
case "TotalSeconds": return $"({left})";
}
return null;
}
public override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "IsNullOrEmpty":
var arg1 = getExp(exp.Arguments[0]);
return $"({arg1} is null or {arg1} = '')";
case "IsNullOrWhiteSpace":
var arg2 = getExp(exp.Arguments[0]);
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), exp.Arguments.Select(a => a.Type).ToArray());
}
}
else
{
var left = getExp(exp.Object);
switch (exp.Method.Name)
{
case "StartsWith":
case "EndsWith":
case "Contains":
var args0Value = getExp(exp.Arguments[0]);
if (args0Value == "NULL") return $"({left}) IS NULL";
if (exp.Method.Name == "StartsWith") return $"({left}) LIKE {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"(cast({args0Value} as nvarchar)+'%')")}";
if (exp.Method.Name == "EndsWith") return $"({left}) LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"('%'+cast({args0Value} as nvarchar))")}";
if (args0Value.StartsWith("'") && args0Value.EndsWith("'")) return $"({left}) LIKE {args0Value.Insert(1, "%").Insert(args0Value.Length, "%")}";
return $"({left}) LIKE ('%'+cast({args0Value} as nvarchar)+'%')";
case "ToLower": return $"lower({left})";
case "ToUpper": return $"upper({left})";
case "Substring":
var substrArgs1 = getExp(exp.Arguments[0]);
if (long.TryParse(substrArgs1, out var testtrylng1)) substrArgs1 = (testtrylng1 + 1).ToString();
else substrArgs1 += "+1";
if (exp.Arguments.Count == 1) return $"left({left}, {substrArgs1})";
return $"substring({left}, {substrArgs1}, {getExp(exp.Arguments[1])})";
case "IndexOf":
var indexOfFindStr = getExp(exp.Arguments[0]);
if (exp.Arguments.Count > 1 && exp.Arguments[1].Type.FullName == "System.Int32")
{
var locateArgs1 = getExp(exp.Arguments[1]);
if (long.TryParse(locateArgs1, out var testtrylng2)) locateArgs1 = (testtrylng2 + 1).ToString();
else locateArgs1 += "+1";
return $"(charindex({left}, {indexOfFindStr}, {locateArgs1})-1)";
}
return $"(charindex({left}, {indexOfFindStr})-1)";
case "PadLeft":
if (exp.Arguments.Count == 1) return $"lpad({left}, {getExp(exp.Arguments[0])})";
return $"lpad({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "PadRight":
if (exp.Arguments.Count == 1) return $"rpad({left}, {getExp(exp.Arguments[0])})";
return $"rpad({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Trim": return $"ltrim(rtrim({left}))";
case "TrimStart": return $"ltrim({left})";
case "TrimEnd": return $"rtrim({left})";
case "Replace": return $"replace({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "CompareTo": return $"({left} - {getExp(exp.Arguments[0])})";
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (exp.Method.Name)
{
case "Abs": return $"abs({getExp(exp.Arguments[0])})";
case "Sign": return $"sign({getExp(exp.Arguments[0])})";
case "Floor": return $"floor({getExp(exp.Arguments[0])})";
case "Ceiling": return $"ceiling({getExp(exp.Arguments[0])})";
case "Round":
if (exp.Arguments.Count > 1 && exp.Arguments[1].Type.FullName == "System.Int32") return $"round({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
return $"round({getExp(exp.Arguments[0])}, 0)";
case "Exp": return $"exp({getExp(exp.Arguments[0])})";
case "Log": return $"log({getExp(exp.Arguments[0])})";
case "Log10": return $"log10({getExp(exp.Arguments[0])})";
case "Pow": return $"power({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Sqrt": return $"sqrt({getExp(exp.Arguments[0])})";
case "Cos": return $"cos({getExp(exp.Arguments[0])})";
case "Sin": return $"sin({getExp(exp.Arguments[0])})";
case "Tan": return $"tan({getExp(exp.Arguments[0])})";
case "Acos": return $"acos({getExp(exp.Arguments[0])})";
case "Asin": return $"asin({getExp(exp.Arguments[0])})";
case "Atan": return $"atan({getExp(exp.Arguments[0])})";
case "Atan2": return $"atan2({getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})";
case "Truncate": return $"floor({getExp(exp.Arguments[0])})";
}
return null;
}
public override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "Compare": return $"({getExp(exp.Arguments[0])} - ({getExp(exp.Arguments[1])}))";
case "DaysInMonth": return $"datepart(day, dateadd(day, -1, dateadd(month, 1, cast({getExp(exp.Arguments[0])} as varchar) + '-' + cast({getExp(exp.Arguments[1])} as varchar) + '-1')))";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "IsLeapYear":
var isLeapYearArgs1 = getExp(exp.Arguments[0]);
return $"(({isLeapYearArgs1})%4=0 AND ({isLeapYearArgs1})%100<>0 OR ({isLeapYearArgs1})%400=0)";
case "Parse": return $"cast({getExp(exp.Arguments[0])} as datetime)";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as datetime)";
}
}
else
{
var left = getExp(exp.Object);
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"dateadd(second, {args1}, {left})";
case "AddDays": return $"dateadd(day, {args1}, {left})";
case "AddHours": return $"dateadd(hour, {args1}, {left})";
case "AddMilliseconds": return $"dateadd(second, ({args1})/1000, {left})";
case "AddMinutes": return $"dateadd(minute, {args1}, {left})";
case "AddMonths": return $"dateadd(month, {args1}, {left})";
case "AddSeconds": return $"dateadd(second, {args1}, {left})";
case "AddTicks": return $"dateadd(second, ({args1})/10000000, {left})";
case "AddYears": return $"dateadd(year, {args1}, {left})";
case "Subtract":
switch ((exp.Arguments[0].Type.IsNullableType() ? exp.Arguments[0].Type.GenericTypeArguments.FirstOrDefault() : exp.Arguments[0].Type).FullName)
{
case "System.DateTime": return $"datediff(second, {args1}, {left})";
case "System.TimeSpan": return $"dateadd(second, {args1}*-1, {left})";
}
break;
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
case "CompareTo": return $"datediff(second,{getExp(exp.Arguments[0])},{left})";
case "ToString": return exp.Arguments.Count == 0 ? $"convert(varchar, {left}, 121)" : null;
}
}
return null;
}
public override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "Compare": return $"({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])}))";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "FromDays": return $"(({getExp(exp.Arguments[0])})*{60 * 60 * 24})";
case "FromHours": return $"(({getExp(exp.Arguments[0])})*{60 * 60})";
case "FromMilliseconds": return $"(({getExp(exp.Arguments[0])})/1000)";
case "FromMinutes": return $"(({getExp(exp.Arguments[0])})*60)";
case "FromSeconds": return $"({getExp(exp.Arguments[0])})";
case "FromTicks": return $"(({getExp(exp.Arguments[0])})/10000000)";
case "Parse": return $"cast({getExp(exp.Arguments[0])} as bigint)";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as bigint)";
}
}
else
{
var left = getExp(exp.Object);
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"({left}+{args1})";
case "Subtract": return $"({left}-({args1}))";
case "Equals": return $"({left} = {getExp(exp.Arguments[0])})";
case "CompareTo": return $"({left}-({getExp(exp.Arguments[0])}))";
case "ToString": return $"cast({left} as varchar)";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "ToBoolean": return $"(cast({getExp(exp.Arguments[0])} as varchar) not in ('0','false'))";
case "ToByte": return $"cast({getExp(exp.Arguments[0])} as tinyint)";
case "ToChar": return $"substring(cast({getExp(exp.Arguments[0])} as nvarchar),1,1)";
case "ToDateTime": return $"cast({getExp(exp.Arguments[0])} as datetime)";
case "ToDecimal": return $"cast({getExp(exp.Arguments[0])} as decimal(36,18))";
case "ToDouble": return $"cast({getExp(exp.Arguments[0])} as decimal(32,16))";
case "ToInt16": return $"cast({getExp(exp.Arguments[0])} as smallint)";
case "ToInt32": return $"cast({getExp(exp.Arguments[0])} as int)";
case "ToInt64": return $"cast({getExp(exp.Arguments[0])} as bigint)";
case "ToSByte": return $"cast({getExp(exp.Arguments[0])} as tinyint)";
case "ToSingle": return $"cast({getExp(exp.Arguments[0])} as decimal(14,7))";
case "ToString": return exp.Arguments[0].Type.NullableTypeOrThis() == typeof(Guid) ? $"cast({getExp(exp.Arguments[0])} as varchar(36))" : $"cast({getExp(exp.Arguments[0])} as nvarchar)";
case "ToUInt16": return $"cast({getExp(exp.Arguments[0])} as smallint)";
case "ToUInt32": return $"cast({getExp(exp.Arguments[0])} as int)";
case "ToUInt64": return $"cast({getExp(exp.Arguments[0])} as bigint)";
}
}
return null;
}
}
}

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using FreeSql.Internal;
using FreeSql.Internal.CommonProvider;
using System;
using System.Collections.Generic;
namespace FreeSql.Odbc.SqlServer
{
public class OdbcSqlServerProvider<TMark> : IFreeSql<TMark>
{
public ISelect<T1> Select<T1>() where T1 : class => new OdbcSqlServerSelect<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public ISelect<T1> Select<T1>(object dywhere) where T1 : class => new OdbcSqlServerSelect<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IInsert<T1> Insert<T1>() where T1 : class => new OdbcSqlServerInsert<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression);
public IInsert<T1> Insert<T1>(T1 source) where T1 : class => this.Insert<T1>().AppendData(source);
public IInsert<T1> Insert<T1>(T1[] source) where T1 : class => this.Insert<T1>().AppendData(source);
public IInsert<T1> Insert<T1>(IEnumerable<T1> source) where T1 : class => this.Insert<T1>().AppendData(source);
public IUpdate<T1> Update<T1>() where T1 : class => new OdbcSqlServerUpdate<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public IUpdate<T1> Update<T1>(object dywhere) where T1 : class => new OdbcSqlServerUpdate<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IDelete<T1> Delete<T1>() where T1 : class => new OdbcSqlServerDelete<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
public IDelete<T1> Delete<T1>(object dywhere) where T1 : class => new OdbcSqlServerDelete<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
public IAdo Ado { get; }
public IAop Aop { get; }
public ICodeFirst CodeFirst { get; }
public IDbFirst DbFirst { get; }
public OdbcSqlServerProvider(string masterConnectionString, string[] slaveConnectionString)
{
this.InternalCommonUtils = new OdbcSqlServerUtils(this);
this.InternalCommonExpression = new OdbcSqlServerExpression(this.InternalCommonUtils);
this.Ado = new OdbcSqlServerAdo(this.InternalCommonUtils, masterConnectionString, slaveConnectionString);
this.Aop = new AopProvider();
this.DbFirst = new OdbcSqlServerDbFirst(this, this.InternalCommonUtils, this.InternalCommonExpression);
this.CodeFirst = new OdbcSqlServerCodeFirst(this, this.InternalCommonUtils, this.InternalCommonExpression);
if (this.Ado.MasterPool != null)
using (var conn = this.Ado.MasterPool.Get())
{
try
{
(this.InternalCommonUtils as OdbcSqlServerUtils).IsSelectRowNumber = int.Parse(conn.Value.ServerVersion.Split('.')[0]) <= 10;
}
catch
{
}
}
}
internal CommonUtils InternalCommonUtils { get; }
internal CommonExpression InternalCommonExpression { get; }
public void Transaction(Action handler) => Ado.Transaction(handler);
public void Transaction(Action handler, TimeSpan timeout) => Ado.Transaction(handler, timeout);
~OdbcSqlServerProvider()
{
this.Dispose();
}
bool _isdisposed = false;
public void Dispose()
{
if (_isdisposed) return;
(this.Ado as AdoProvider)?.Dispose();
}
}
}

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using FreeSql.Internal;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Data.Odbc;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace FreeSql.Odbc.SqlServer
{
public class OdbcSqlServerUtils : CommonUtils
{
public OdbcSqlServerUtils(IFreeSql orm) : base(orm)
{
}
public bool IsSelectRowNumber = true;
public override DbParameter AppendParamter(List<DbParameter> _params, string parameterName, Type type, object value)
{
if (string.IsNullOrEmpty(parameterName)) parameterName = $"p_{_params?.Count}";
if (value?.Equals(DateTime.MinValue) == true) value = new DateTime(1970, 1, 1);
var ret = new OdbcParameter { ParameterName = QuoteParamterName(parameterName), Value = value };
var tp = _orm.CodeFirst.GetDbInfo(type)?.type;
if (tp != null) ret.OdbcType = (OdbcType)tp.Value;
_params?.Add(ret);
return ret;
}
public override DbParameter[] GetDbParamtersByObject(string sql, object obj) =>
Utils.GetDbParamtersByObject<OdbcParameter>(sql, obj, null, (name, type, value) =>
{
if (value?.Equals(DateTime.MinValue) == true) value = new DateTime(1970, 1, 1);
var ret = new OdbcParameter { ParameterName = $"@{name}", Value = value };
var tp = _orm.CodeFirst.GetDbInfo(type)?.type;
if (tp != null) ret.OdbcType = (OdbcType)tp.Value;
return ret;
});
public override string FormatSql(string sql, params object[] args) => sql?.FormatOdbcSqlServer(args);
public override string QuoteSqlName(string name)
{
var nametrim = name.Trim();
if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
return nametrim; //原生SQL
return $"[{nametrim.TrimStart('[').TrimEnd(']').Replace(".", "].[")}]";
}
public override string TrimQuoteSqlName(string name)
{
var nametrim = name.Trim();
if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
return nametrim; //原生SQL
return $"{nametrim.TrimStart('[').TrimEnd(']').Replace("].[", ".").Replace(".[", ".")}";
}
public override string QuoteParamterName(string name) => $"@{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
public override string IsNull(string sql, object value) => $"isnull({sql}, {value})";
public override string StringConcat(string[] objs, Type[] types)
{
var sb = new StringBuilder();
var news = new string[objs.Length];
for (var a = 0; a < objs.Length; a++)
news[a] = types[a] == typeof(string) ? objs[a] : $"cast({objs[a]} as nvarchar)";
return string.Join(" + ", news);
}
public override string Mod(string left, string right, Type leftType, Type rightType) => $"{left} % {right}";
public override string Div(string left, string right, Type leftType, Type rightType) => $"{left} / {right}";
public override string QuoteWriteParamter(Type type, string paramterName) => paramterName;
public override string QuoteReadColumn(Type type, string columnName) => columnName;
public override string GetNoneParamaterSqlValue(List<DbParameter> specialParams, Type type, object value)
{
if (value == null) return "NULL";
if (type == typeof(byte[]))
{
var bytes = value as byte[];
var sb = new StringBuilder().Append("0x");
foreach (var vc in bytes)
{
if (vc < 10) sb.Append("0");
sb.Append(vc.ToString("X"));
}
return sb.ToString();
}
else if (type == typeof(TimeSpan) || type == typeof(TimeSpan?))
{
var ts = (TimeSpan)value;
value = $"{ts.Hours}:{ts.Minutes}:{ts.Seconds}.{ts.Milliseconds}";
}
return FormatSql("{0}", value, 1);
}
}
}