mirror of
https://github.com/nsnail/FreeSql.git
synced 2025-04-15 23:42:51 +08:00
512 lines
30 KiB
C#
512 lines
30 KiB
C#
using FreeSql.Internal;
|
|
using FreeSql.Internal.Model;
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Data;
|
|
using System.Linq;
|
|
using System.Net;
|
|
using System.Net.NetworkInformation;
|
|
using System.Numerics;
|
|
using System.Text;
|
|
using System.Text.RegularExpressions;
|
|
using XuguClient;
|
|
|
|
namespace FreeSql.Xugu
|
|
{
|
|
|
|
class XuguCodeFirst : Internal.CommonProvider.CodeFirstProvider
|
|
{
|
|
public readonly string DefaultSchema = "SYSDBA";//默认模式
|
|
public XuguCodeFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression) : base(orm, commonUtils, commonExpression) {
|
|
}
|
|
|
|
static object _dicCsToDbLock = new object();
|
|
static Dictionary<Type, CsToDb<XGDbType>> _dicCsToDb = new Dictionary<Type, CsToDb<XGDbType>>() {
|
|
|
|
{ typeof(byte), CsToDb.New(XGDbType.SmallInt, "TINYINT","TINYINT NOT NULL", false, false, 0) },
|
|
{ typeof(byte?), CsToDb.New(XGDbType.SmallInt, "TINYINT", "TINYINT", false, true, null) },
|
|
{ typeof(short), CsToDb.New(XGDbType.SmallInt, "SMALLINT","SMALLINT NOT NULL", false, false, 0) },{ typeof(short?), CsToDb.New(XGDbType.SmallInt, "SMALLINT", "SMALLINT", false, true, null) },
|
|
{ typeof(int), CsToDb.New(XGDbType.Int, "INTEGER","INTEGER NOT NULL", false, false, 0) },{ typeof(int?), CsToDb.New(XGDbType.Int, "INTEGER", "INTEGER", false, true, null) },
|
|
{ typeof(long), CsToDb.New(XGDbType.BigInt, "BIGINT","BIGINT NOT NULL", false, false, 0) },{ typeof(long?), CsToDb.New(XGDbType.BigInt, "BIGINT", "BIGINT", false, true, null) },
|
|
|
|
|
|
{ typeof(ushort), CsToDb.New(XGDbType.Int, "INT","INT NOT NULL", false, false, 0) },{ typeof(ushort?), CsToDb.New(XGDbType.Int, "INT", "INT", false, true, null) },
|
|
{ typeof(uint), CsToDb.New(XGDbType.BigInt, "BIGINT","BIGINT NOT NULL", false, false, 0) },{ typeof(uint?), CsToDb.New(XGDbType.BigInt, "BIGINT", "BIGINT", false, true, null) },
|
|
{ typeof(ulong), CsToDb.New(XGDbType.Numeric, "NUMERIC","NUMERIC(20,0) NOT NULL", false, false, 0) },{ typeof(ulong?), CsToDb.New(XGDbType.Numeric, "NUMERIC", "NUMERIC(20,0)", false, true, null) },
|
|
|
|
{ typeof(float), CsToDb.New(XGDbType.Real, "FLOAT","FLOAT NOT NULL", false, false, 0) },{ typeof(float?), CsToDb.New(XGDbType.Real, "FLOAT", "FLOAT", false, true, null) },
|
|
{ typeof(double), CsToDb.New(XGDbType.Double, "DOUBLE","DOUBLE NOT NULL", false, false, 0) },{ typeof(double?), CsToDb.New(XGDbType.Double, "DOUBLE", "DOUBLE", false, true, null) },
|
|
{ typeof(decimal), CsToDb.New(XGDbType.Numeric, "NUMERIC", "NUMERIC(10,2) NOT NULL", false, false, 0) },{ typeof(decimal?), CsToDb.New(XGDbType.Numeric, "NUMERIC", "NUMERIC(10,2)", false, true, null) },
|
|
|
|
{ typeof(string), CsToDb.New(XGDbType.VarChar, "VARCHAR", "VARCHAR(255)", false, null, "") },
|
|
|
|
{ typeof(char), CsToDb.New(XGDbType.Char, "CHAR", "CHAR(1)", false, null, '\0') },
|
|
|
|
//{ typeof(TimeSpan), CsToDb.New(XGDbType.Time, "time","time NOT NULL", false, false, 0) },{ typeof(TimeSpan?), CsToDb.New(XGDbType.Time, "time", "time",false, true, null) },
|
|
{ typeof(DateTime), CsToDb.New(XGDbType.DateTime, "DATETIME", "DATETIME NOT NULL", false, false, new DateTime(1970,1,1)) },
|
|
{ typeof(DateTime?), CsToDb.New(XGDbType.DateTime, "DATETIME", "DATETIME", false, true, null) },
|
|
|
|
{ typeof(bool), CsToDb.New(XGDbType.Bool, "BOOLEAN","BOOLEAN NOT NULL", null, false, false) },{ typeof(bool?), CsToDb.New(XGDbType.Bool, "BOOLEAN","BOOLEAN", null, true, null) },
|
|
|
|
{ typeof(byte[]), CsToDb.New(XGDbType.VarBinary, "blob", "blob NULL", false, null, new byte[0]) },
|
|
{ typeof(Guid), CsToDb.New(XGDbType.Char, "char", "char(36) NOT NULL", false, false, Guid.Empty) },{ typeof(Guid?), CsToDb.New(XGDbType.Char, "char", "char(36) NULL", false, true, null) },
|
|
|
|
|
|
|
|
//{ typeof(Dictionary<string, string>).FullName, CsToDb.New(XGDbType.Hstore, "hstore", "hstore", false, null, new Dictionary<string, string>()) },
|
|
|
|
};
|
|
|
|
|
|
public override DbInfoResult GetDbInfo(Type type)
|
|
{
|
|
if (_dicCsToDb.TryGetValue(type, out var trydc)) return new DbInfoResult((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())
|
|
{
|
|
var genericTypes = type.GetGenericArguments();
|
|
if (genericTypes.Length == 1 && genericTypes.First().IsEnum) enumType = genericTypes.First();
|
|
}
|
|
if (enumType != null)
|
|
{
|
|
var newItem = enumType.GetCustomAttributes(typeof(FlagsAttribute), false).Any() ?
|
|
CsToDb.New(_dicCsToDb[typeof(int)].type, "INT", $"INT{(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, enumType.CreateInstanceGetDefaultValue()) :
|
|
CsToDb.New(_dicCsToDb[typeof(long)].type, "BIGINT", $"BIGINT{(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, enumType.CreateInstanceGetDefaultValue());
|
|
if (_dicCsToDb.ContainsKey(type) == false)
|
|
{
|
|
lock (_dicCsToDbLock)
|
|
{
|
|
if (_dicCsToDb.ContainsKey(type) == false)
|
|
_dicCsToDb.Add(type, newItem);
|
|
}
|
|
}
|
|
return new DbInfoResult((int)newItem.type, newItem.dbtype, newItem.dbtypeFull, newItem.isnullable, newItem.defaultValue);
|
|
}
|
|
return null;
|
|
}
|
|
internal static string GetXuguSqlTypeFullName(object[] row)
|
|
{
|
|
var a = row;
|
|
var sqlType = string.Concat(a[1]).ToUpper();
|
|
var data_length = long.Parse(string.Concat(a[2]));
|
|
var char_used = string.Concat(a[5]);
|
|
bool.TryParse(a[9]?.ToString(), out var isVar);
|
|
if (sqlType == "CHAR" && isVar)
|
|
{
|
|
sqlType = "VARCHAR";
|
|
}
|
|
|
|
if (data_length <= 0)
|
|
{
|
|
}
|
|
else if (sqlType.StartsWith("TIMESTAMP", StringComparison.CurrentCultureIgnoreCase))
|
|
{
|
|
}
|
|
else if (sqlType.StartsWith("DATETIME", StringComparison.CurrentCultureIgnoreCase))
|
|
{
|
|
}
|
|
else if (sqlType.StartsWith("BLOB"))
|
|
{
|
|
}
|
|
else if (sqlType.StartsWith("CLOB"))
|
|
{
|
|
}
|
|
else if (sqlType.ToUpper()== "NUMERIC")
|
|
{
|
|
//data_length=655362
|
|
//实际类型是 NUMRIC(10,2) 计算得到的是 NUMRIC(10,12)
|
|
//标度计算错误
|
|
|
|
var data_precision= data_length % 65536;
|
|
var data_scale = data_length / 65536;
|
|
sqlType += $"({data_scale},{data_precision})";
|
|
}
|
|
else if (sqlType.ToLower() == "float")
|
|
{ }
|
|
else
|
|
sqlType += $"({data_length})";
|
|
return sqlType;
|
|
}
|
|
protected override string GetComparisonDDLStatements(params TypeSchemaAndName[] objects)
|
|
{
|
|
var sb = new StringBuilder();
|
|
var seqcols = new List<NativeTuple<ColumnInfo, string[], bool>>(); //序列
|
|
|
|
foreach (var obj in objects)
|
|
{
|
|
if (sb.Length > 0) sb.Append("\r\n");
|
|
var tb = obj.tableSchema;
|
|
if (tb == null) throw new Exception(CoreStrings.S_Type_IsNot_Migrable(obj.tableSchema.Type.FullName));
|
|
if (tb.Columns.Any() == false) throw new Exception(CoreStrings.S_Type_IsNot_Migrable_0Attributes(obj.tableSchema.Type.FullName));
|
|
var tbname = _commonUtils.SplitTableName(tb.DbName);
|
|
if (tbname?.Length == 1) tbname = new[] { DefaultSchema, tbname[0] };
|
|
|
|
var tboldname = _commonUtils.SplitTableName(tb.DbOldName); //旧表名
|
|
|
|
if (tboldname?.Length == 1) tboldname = new[] { DefaultSchema, tboldname[0] };
|
|
if (string.IsNullOrEmpty(obj.tableName) == false)
|
|
{
|
|
var tbtmpname = _commonUtils.SplitTableName(obj.tableName);
|
|
if (tbtmpname?.Length == 1) tbtmpname = new[] { DefaultSchema, tbtmpname[0] };
|
|
if (tbname[0] != tbtmpname[0] || tbname[1] != tbtmpname[1])
|
|
{
|
|
tbname = tbtmpname;
|
|
tboldname = null;
|
|
}
|
|
}
|
|
//codefirst 不支持表名、模式名、数据库名中带 .
|
|
|
|
if (_orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(" select 1 from all_schemas where schema_name={0}", tbname[0])) == null) //创建模式
|
|
throw new Exception($"模式“{tbname[0]}”不存在，请手动创建");
|
|
//sb.Append($"CREATE SCHEMA {tbname[0]};\r\n");
|
|
//sb.Append("CREATE SCHEMA IF NOT EXISTS ").Append(tbname[0]).Append(";\r\n");
|
|
|
|
var sbalter = new StringBuilder();
|
|
var istmpatler = false; //创建临时表，导入数据，删除旧表，修改
|
|
|
|
//虚谷
|
|
var sql0 = string.Format("select 1 from all_tables a inner join all_schemas b on b.schema_id = a.schema_id where b.schema_name || '.' || a.table_name = '{0}.{1}'", tbname);
|
|
|
|
|
|
//判断表是否存在
|
|
if (_orm.Ado.ExecuteScalar(CommandType.Text, sql0) == null)
|
|
{
|
|
//表不存在
|
|
if (tboldname != null)
|
|
{
|
|
if (_orm.Ado.ExecuteScalar(CommandType.Text, string.Format(" select 1 from all_tables a inner join all_schemas b on b.schema_id = a.schema_id where b.schema_name || '.' || a.table_name = '{0}.{1}'", tboldname)) == null)
|
|
//旧表不存在
|
|
tboldname = null;
|
|
}
|
|
if (tboldname == null)
|
|
{
|
|
//创建表
|
|
var createTableName = _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}");
|
|
sb.Append("CREATE TABLE ").Append(createTableName).Append(" ( ");
|
|
foreach (var tbcol in tb.ColumnsByPosition)
|
|
{
|
|
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ");
|
|
if (tbcol.Attribute.IsIdentity == true)
|
|
{
|
|
sb.Append(tbcol.Attribute.DbType.Replace("NOT NULL",""));
|
|
sb.Append(" identity(1,1)");
|
|
//seqcols.Add(NativeTuple.Create(tbcol, tbname, true));
|
|
}
|
|
else
|
|
{
|
|
sb.Append(tbcol.Attribute.DbType.Replace("NTEXT", "CLOB").Replace("TEXT", "CLOB"));
|
|
}
|
|
sb.Append(",");
|
|
}
|
|
if (tb.Primarys.Any())
|
|
{
|
|
var pkname = $"{tbname[0]}_{tbname[1]}_pkey";
|
|
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(pkname)).Append(" PRIMARY KEY (");
|
|
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
|
sb.Remove(sb.Length - 2, 2).Append("),");
|
|
}
|
|
sb.Remove(sb.Length - 1, 1);
|
|
sb.Append("\r\n);\r\n");
|
|
|
|
//创建表的索引
|
|
foreach (var uk in tb.Indexes)
|
|
{
|
|
sb.Append("CREATE ");
|
|
if (uk.IsUnique) sb.Append("UNIQUE ");
|
|
sb.Append("INDEX ").Append(_commonUtils.QuoteSqlName(ReplaceIndexName(uk.Name, tbname[1]))).Append(" ON ").Append(createTableName).Append("(");
|
|
foreach (var tbcol in uk.Columns)
|
|
{
|
|
sb.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
|
|
if (tbcol.IsDesc) sb.Append(" DESC");
|
|
sb.Append(", ");
|
|
}
|
|
sb.Remove(sb.Length - 2, 2).Append(");\r\n");
|
|
}
|
|
//备注
|
|
foreach (var tbcol in tb.ColumnsByPosition)
|
|
{
|
|
if (string.IsNullOrEmpty(tbcol.Comment) == false)
|
|
sb.Append("COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment)).Append(";\r\n");
|
|
}
|
|
if (string.IsNullOrEmpty(tb.Comment) == false)
|
|
sb.Append("COMMENT ON TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tb.Comment)).Append(";\r\n");
|
|
continue;
|
|
}
|
|
//如果新表，旧表在一个数据库和模式下，直接修改表名
|
|
if (string.Compare(tbname[0], tboldname[0], true) == 0)
|
|
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}")).Append(" RENAME TO ").Append(_commonUtils.QuoteSqlName($"{tbname[1]}")).Append(";\r\n");
|
|
else
|
|
{
|
|
//如果新表，旧表不在一起，创建新表，导入数据，删除旧表
|
|
istmpatler = true;
|
|
}
|
|
}
|
|
else
|
|
tboldname = null; //如果新表已经存在，不走改表名逻辑
|
|
|
|
|
|
var sql = _commonUtils.FormatSql($@"
|
|
select
|
|
a.COL_NAME,
|
|
a.TYPE_NAME,
|
|
a.SCALE,
|
|
case when a.NOT_NULL then '0' else '1' end as is_nullable,
|
|
seq.SEQ_ID,
|
|
seq.IS_SYS,
|
|
a.COMMENTS,
|
|
tb.table_name,
|
|
ns.schema_id,
|
|
a.`VARYING`
|
|
from all_columns as a
|
|
left join all_tables tb on a.table_id=tb.table_id
|
|
left join all_schemas ns on tb.schema_id = ns.schema_id
|
|
left join all_sequences seq on seq.SEQ_ID=a.Serial_ID
|
|
WHERE ns.SCHEMA_NAME={{0}} and tb.TABLE_NAME={{1}}
|
|
|
|
", tboldname ?? tbname);
|
|
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
|
|
//从系统表读取的现有字段的基本信息
|
|
var tbstruct = ds.ToDictionary(a => string.Concat(a[0]), a =>
|
|
{
|
|
var sqlType = GetXuguSqlTypeFullName(a);
|
|
var max_length = long.Parse(string.Concat(a[2]));
|
|
//long SEQ_ID = 0;
|
|
long.TryParse(a[4]?.ToString() ?? "0", out long SEQ_ID);
|
|
var SEQ_IS_SYS = (a[5]?.ToString() ?? "false")?.ToLower();
|
|
try
|
|
{
|
|
return new
|
|
{
|
|
column = string.Concat(a[0]),
|
|
sqlType = string.Concat(sqlType),
|
|
max_length = long.Parse(string.Concat(a[2]) ?? "0"),
|
|
is_nullable = string.Concat(a[3]) == "1",
|
|
is_identity = (SEQ_ID > 0 && SEQ_IS_SYS == "true"),
|
|
comment = string.Concat(a[6])
|
|
};
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
|
|
throw ex;
|
|
}
|
|
|
|
}, StringComparer.CurrentCultureIgnoreCase);
|
|
|
|
if (istmpatler == false)
|
|
{
|
|
//基本信息对比 比如名称 添加列 数据类型 Identity
|
|
foreach (var tbcol in tb.ColumnsByPosition)
|
|
{
|
|
//对别数据库中列和C#中的信息是否一致
|
|
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 ?? "");
|
|
var sqlTypeSize = tbstructcol.sqlType;
|
|
//如果数据中是CHAR或VARCHAR 要加上C#中定义的长度
|
|
if (sqlTypeSize.Contains("(") == false)
|
|
{
|
|
switch (sqlTypeSize)
|
|
{
|
|
case "char":
|
|
case "varchar":
|
|
sqlTypeSize = $"{sqlTypeSize}({tbstructcol.max_length})"; break;
|
|
}
|
|
}
|
|
|
|
var dbType = tbcol.Attribute.DbType.Replace("NTEXT", "CLOB").Replace("TEXT", "CLOB");
|
|
if (dbType.StartsWith(sqlTypeSize, StringComparison.CurrentCultureIgnoreCase) == false)
|
|
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ALTER COLUMN ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" ").Append(tbcol.Attribute.DbType.Split(' ').First().Replace("NTEXT", "CLOB").Replace("TEXT", "CLOB")).Append(";\r\n");//为了适应FreeSQL的长文本规则采用Replace
|
|
|
|
|
|
|
|
if (tbcol.Attribute.IsNullable != tbstructcol.is_nullable)
|
|
{
|
|
if (tbcol.Attribute.IsNullable != true || tbcol.Attribute.IsNullable == true && tbcol.Attribute.IsPrimary == false)
|
|
{
|
|
if (tbcol.Attribute.IsNullable == false)
|
|
sbalter.Append("UPDATE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" SET ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" = ").Append(tbcol.DbDefaultValue).Append(" WHERE ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" IS NULL;\r\n");
|
|
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ALTER COLUMN ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" ").Append(tbcol.Attribute.IsNullable == true ? "DROP" : "SET").Append(" NOT NULL;\r\n");
|
|
}
|
|
}
|
|
if (tbcol.Attribute.IsIdentity != tbstructcol.is_identity)
|
|
{
|
|
//sbalter.Append(" identity(1,1)");
|
|
seqcols.Add(NativeTuple.Create(tbcol, tbname, tbcol.Attribute.IsIdentity == true));
|
|
}
|
|
if (string.Compare(tbstructcol.column, tbcol.Attribute.OldName, true) == 0)
|
|
//修改列名
|
|
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" RENAME COLUMN ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" TO ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(";\r\n");
|
|
|
|
if (isCommentChanged)
|
|
sbalter.Append("COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment)).Append(";\r\n");
|
|
|
|
continue;
|
|
}
|
|
//添加列
|
|
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD COLUMN ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType.Split(' ').First()).Append(";\r\n");
|
|
sbalter.Append("UPDATE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" SET ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" = ").Append(tbcol.DbDefaultValue).Append(";\r\n");
|
|
if (tbcol.Attribute.IsNullable == false) sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ALTER COLUMN ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" SET NOT NULL;\r\n");
|
|
if (tbcol.Attribute.IsIdentity == true)
|
|
{
|
|
seqcols.Add(NativeTuple.Create(tbcol, tbname, tbcol.Attribute.IsIdentity == true));
|
|
}
|
|
if (string.IsNullOrEmpty(tbcol.Comment) == false) sbalter.Append("COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment)).Append(";\r\n");
|
|
}
|
|
|
|
var dsuksql = _commonUtils.FormatSql($@"
|
|
select
|
|
keys,
|
|
a.index_name,
|
|
case when a.IS_UNIQUE then 1 else 0 end as IsUnique,
|
|
t.table_name,
|
|
ns.SCHEMA_NAME,
|
|
a.IS_SYS
|
|
from all_INDEXES a
|
|
left join all_tables t on a.TABLE_ID=t.TABLE_ID
|
|
left join all_schemas ns on t.SCHEMA_ID=ns.SCHEMA_ID
|
|
WHERE a.IS_Primary = false and t.table_name={{1}} and schema_name={{0}}",
|
|
tboldname ?? tbname);
|
|
|
|
var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]), string.Concat(a[2]), string.Concat(a[3]), string.Concat(a[4]) }).ToList();
|
|
foreach (var uk in tb.Indexes)
|
|
{
|
|
if (string.IsNullOrEmpty(uk.Name) || uk.Columns.Any() == false) continue;
|
|
//获取C#中定义的索引名称
|
|
var ukname = ReplaceIndexName(uk.Name, tbname[1]);
|
|
//数据库和C#定义名称一致的
|
|
var dsukfind1 = dsuk.FirstOrDefault(a => string.Compare(a[1], ukname, true) == 0);
|
|
|
|
if (dsukfind1==null || //没有找到一致的索引，表示新定义的
|
|
dsukfind1[0].Split(',').Length!=uk.Columns.Length ||
|
|
uk.Columns.Any(x=>dsukfind1[0].ToLower().IndexOf( x.Column.Attribute.Name.ToLower())==-1) ||
|
|
uk.IsUnique != (dsukfind1[2]== "1")
|
|
)
|
|
{
|
|
if (dsukfind1 != null) sbalter.Append("DROP INDEX ").Append($"\"{dsukfind1[4]}\".\"{dsukfind1[3]}\".\"{ukname}\"").Append(";\r\n");
|
|
sbalter.Append("CREATE ");
|
|
if (uk.IsUnique) sbalter.Append("UNIQUE ");
|
|
sbalter.Append("INDEX ").Append(_commonUtils.QuoteSqlName(ukname)).Append(" ON ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append("(");
|
|
foreach (var tbcol in uk.Columns)
|
|
{
|
|
sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
|
|
//if (tbcol.IsDesc) sbalter.Append(" DESC");
|
|
sbalter.Append(", ");
|
|
}
|
|
sbalter.Remove(sbalter.Length - 2, 2).Append(");\r\n");
|
|
}
|
|
}
|
|
}
|
|
if (istmpatler == false)
|
|
{
|
|
//描述
|
|
var dbcomment = string.Concat(_orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql($@"
|
|
select COMMENTS,TABLE_NAME,SCHEMA_NAME from all_tables as a
|
|
left join all_schemas as b on a.SCHEMA_ID=b.SCHEMA_ID
|
|
WHERE a.Table_Name={{1}} and b.SCHEMA_NAME={{0}}
|
|
",tbname)));
|
|
if ((dbcomment??"") != (tb.Comment ?? ""))
|
|
sbalter.Append("COMMENT ON TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tb.Comment)).Append(";\r\n");
|
|
|
|
sb.Append(sbalter);
|
|
continue;
|
|
}
|
|
|
|
//约束primary key
|
|
|
|
var oldpk = _orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(@"
|
|
select cons_name from all_constraints as a
|
|
left join all_tables as b on a.Table_ID=b.Table_ID
|
|
left Join all_SCHEMAS AS c on b.SCHEMA_ID=c.SCHEMA_ID
|
|
where b.TABLE_NAME={0} and c.SCHEMA_NAME={1} and a.cons_TYPE='P'
|
|
", tbname))?.ToString();
|
|
if (string.IsNullOrEmpty(oldpk) == false)
|
|
sb.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{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]}");
|
|
|
|
//创建临时表
|
|
var tmptablename = _commonUtils.QuoteSqlName($"{tbname[0]}.FreeSqlTmp_{tbname[1]}");
|
|
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(" ").Append(tbcol.Attribute.DbType);
|
|
if (tbcol.Attribute.IsIdentity == true)
|
|
{
|
|
//sb.Append(" identity(1,1)");
|
|
seqcols.Add(NativeTuple.Create(tbcol, tbname, true));
|
|
}
|
|
sb.Append(",");
|
|
}
|
|
|
|
|
|
|
|
if (tb.Primarys.Any())
|
|
{
|
|
var pkname = $"{tbname[0]}_{tbname[1]}_pkey";
|
|
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(pkname)).Append(" PRIMARY KEY (");
|
|
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
|
sb.Remove(sb.Length - 2, 2).Append("),");
|
|
}
|
|
sb.Remove(sb.Length - 1, 1);
|
|
sb.Append("\r\n);\r\n");
|
|
//备注
|
|
foreach (var tbcol in tb.ColumnsByPosition)
|
|
{
|
|
if (string.IsNullOrEmpty(tbcol.Comment) == false)
|
|
sb.Append("COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.FreeSqlTmp_{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment)).Append(";\r\n");
|
|
}
|
|
if (string.IsNullOrEmpty(tb.Comment) == false)
|
|
sb.Append("COMMENT ON TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.FreeSqlTmp_{tbname[1]}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tb.Comment)).Append(";\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 = $"coalesce({insertvalue},{tbcol.DbDefaultValue})";
|
|
}
|
|
else if (tbcol.Attribute.IsNullable == false)
|
|
insertvalue = tbcol.DbDefaultValue;
|
|
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[1])).Append(";\r\n");
|
|
//创建表的索引
|
|
foreach (var uk in tb.Indexes)
|
|
{
|
|
sb.Append("CREATE ");
|
|
if (uk.IsUnique) sb.Append("UNIQUE ");
|
|
sb.Append("INDEX ").Append(_commonUtils.QuoteSqlName(ReplaceIndexName(uk.Name, tbname[1]))).Append(" ON ").Append(tablename).Append("(");
|
|
foreach (var tbcol in uk.Columns)
|
|
{
|
|
sb.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
|
|
if (tbcol.IsDesc) sb.Append(" DESC");
|
|
sb.Append(", ");
|
|
}
|
|
sb.Remove(sb.Length - 2, 2).Append(");\r\n");
|
|
}
|
|
|
|
|
|
}
|
|
|
|
Console.Write(sb.ToString());
|
|
//throw new Exception(sb.ToString());
|
|
return sb.Length == 0 ? null : sb.ToString();
|
|
}
|
|
}
|
|
} |