mirror of
https://github.com/nsnail/FreeSql.git
synced 2025-04-25 04:02:51 +08:00
401 lines
29 KiB
C#
401 lines
29 KiB
C#
using FreeSql.DataAnnotations;
|
||
using FreeSql.Internal;
|
||
using FreeSql.Internal.Model;
|
||
using System;
|
||
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.KingbaseES
|
||
{
|
||
|
||
class OdbcKingbaseESCodeFirst : Internal.CommonProvider.CodeFirstProvider
|
||
{
|
||
public override bool IsNoneCommandParameter { get => true; set => base.IsNoneCommandParameter = true; }
|
||
public OdbcKingbaseESCodeFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression) : base(orm, commonUtils, commonExpression) { }
|
||
|
||
static object _dicCsToDbLock = new object();
|
||
static Dictionary<string, CsToDb<OdbcType>> _dicCsToDb = new Dictionary<string, CsToDb<OdbcType>>() {
|
||
{ typeof(sbyte).FullName, CsToDb.New(OdbcType.TinyInt, "tinyint","tinyint NOT NULL", false, false, 0) },{ typeof(sbyte?).FullName, CsToDb.New(OdbcType.TinyInt, "tinyint", "tinyint", false, true, null) },
|
||
{ typeof(short).FullName, CsToDb.New(OdbcType.SmallInt, "int2","int2 NOT NULL", false, false, 0) },{ typeof(short?).FullName, CsToDb.New(OdbcType.SmallInt, "int2", "int2", false, true, null) },
|
||
{ typeof(int).FullName, CsToDb.New(OdbcType.Int, "int4","int4 NOT NULL", false, false, 0) },{ typeof(int?).FullName, CsToDb.New(OdbcType.Int, "int4", "int4", false, true, null) },
|
||
{ typeof(long).FullName, CsToDb.New(OdbcType.BigInt, "int8","int8 NOT NULL", false, false, 0) },{ typeof(long?).FullName, CsToDb.New(OdbcType.BigInt, "int8", "int8", false, true, null) },
|
||
|
||
{ typeof(byte).FullName, CsToDb.New(OdbcType.SmallInt, "int2","int2 NOT NULL", false, false, 0) },{ typeof(byte?).FullName, CsToDb.New(OdbcType.SmallInt, "int2", "int2", false, true, null) },
|
||
{ typeof(ushort).FullName, CsToDb.New(OdbcType.Int, "int4","int4 NOT NULL", false, false, 0) },{ typeof(ushort?).FullName, CsToDb.New(OdbcType.Int, "int4", "int4", false, true, null) },
|
||
{ typeof(uint).FullName, CsToDb.New(OdbcType.BigInt, "int8","int8 NOT NULL", false, false, 0) },{ typeof(uint?).FullName, CsToDb.New(OdbcType.BigInt, "int8", "int8", false, true, null) },
|
||
{ typeof(ulong).FullName, CsToDb.New(OdbcType.Numeric, "numeric","numeric(20,0) NOT NULL", false, false, 0) },{ typeof(ulong?).FullName, CsToDb.New(OdbcType.Numeric, "numeric", "numeric(20,0)", false, true, null) },
|
||
|
||
{ typeof(float).FullName, CsToDb.New(OdbcType.Real, "float4","float4 NOT NULL", false, false, 0) },{ typeof(float?).FullName, CsToDb.New(OdbcType.Real, "float4", "float4", false, true, null) },
|
||
{ typeof(double).FullName, CsToDb.New(OdbcType.Double, "float8","float8 NOT NULL", false, false, 0) },{ typeof(double?).FullName, CsToDb.New(OdbcType.Double, "float8", "float8", false, true, null) },
|
||
{ typeof(decimal).FullName, CsToDb.New(OdbcType.Numeric, "numeric", "numeric(10,2) NOT NULL", false, false, 0) },{ typeof(decimal?).FullName, CsToDb.New(OdbcType.Numeric, "numeric", "numeric(10,2)", false, true, null) },
|
||
|
||
{ typeof(string).FullName, CsToDb.New(OdbcType.VarChar, "varchar", "varchar(255)", false, null, "") },
|
||
{ typeof(char).FullName, CsToDb.New(OdbcType.Char, "bpchar", "bpchar(1) NULL", false, null, '\0') },
|
||
|
||
{ typeof(TimeSpan).FullName, CsToDb.New(OdbcType.Time, "time","time NOT NULL", false, false, 0) },{ typeof(TimeSpan?).FullName, CsToDb.New(OdbcType.Time, "time", "time",false, true, null) },
|
||
{ typeof(DateTime).FullName, CsToDb.New(OdbcType.DateTime, "timestamp", "timestamp NOT NULL", false, false, new DateTime(1970,1,1)) },{ typeof(DateTime?).FullName, CsToDb.New(OdbcType.DateTime, "timestamp", "timestamp", false, true, null) },
|
||
|
||
{ typeof(bool).FullName, CsToDb.New(OdbcType.Bit, "bool","bool NOT NULL", null, false, false) },{ typeof(bool?).FullName, CsToDb.New(OdbcType.Bit, "bool","bool", null, true, null) },
|
||
{ typeof(Byte[]).FullName, CsToDb.New(OdbcType.VarBinary, "bytea", "bytea", false, null, new byte[0]) },
|
||
|
||
{ typeof(Guid).FullName, CsToDb.New(OdbcType.UniqueIdentifier, "uuid", "uuid NOT NULL", false, false, Guid.Empty) },{ typeof(Guid?).FullName, CsToDb.New(OdbcType.UniqueIdentifier, "uuid", "uuid", false, true, null) },
|
||
};
|
||
|
||
public override DbInfoResult GetDbInfo(Type type)
|
||
{
|
||
if (_dicCsToDb.TryGetValue(type.FullName, 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(OdbcType.BigInt, "int8", $"int8{(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, enumType.CreateInstanceGetDefaultValue()) :
|
||
CsToDb.New(OdbcType.Int, "int4", $"int4{(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, enumType.CreateInstanceGetDefaultValue());
|
||
if (_dicCsToDb.ContainsKey(type.FullName) == false)
|
||
{
|
||
lock (_dicCsToDbLock)
|
||
{
|
||
if (_dicCsToDb.ContainsKey(type.FullName) == false)
|
||
_dicCsToDb.Add(type.FullName, newItem);
|
||
}
|
||
}
|
||
return new DbInfoResult((int)newItem.type, newItem.dbtype, newItem.dbtypeFull, newItem.isnullable, newItem.defaultValue);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
protected override string GetComparisonDDLStatements(params TypeAndName[] objects)
|
||
{
|
||
var sb = new StringBuilder();
|
||
var seqcols = new List<NativeTuple<ColumnInfo, string[], bool>>(); //序列
|
||
|
||
foreach (var obj in objects)
|
||
{
|
||
if (sb.Length > 0) sb.Append("\r\n");
|
||
var tb = _commonUtils.GetTableByEntity(obj.entityType);
|
||
if (tb == null) throw new Exception($"类型 {obj.entityType.FullName} 不可迁移");
|
||
if (tb.Columns.Any() == false) throw new Exception($"类型 {obj.entityType.FullName} 不可迁移，可迁移属性0个");
|
||
var tbname = _commonUtils.SplitTableName(tb.DbName);
|
||
if (tbname?.Length == 1) tbname = new[] { "PUBLIC", tbname[0] };
|
||
|
||
var tboldname = _commonUtils.SplitTableName(tb.DbOldName); //旧表名
|
||
if (tboldname?.Length == 1) tboldname = new[] { "PUBLIC", tboldname[0] };
|
||
if (string.IsNullOrEmpty(obj.tableName) == false)
|
||
{
|
||
var tbtmpname = _commonUtils.SplitTableName(obj.tableName);
|
||
if (tbtmpname?.Length == 1) tbtmpname = new[] { "PUBLIC", tbtmpname[0] };
|
||
if (tbname[0] != tbtmpname[0] || tbname[1] != tbtmpname[1])
|
||
{
|
||
tbname = tbtmpname;
|
||
tboldname = null;
|
||
}
|
||
}
|
||
//codefirst 不支持表名、模式名、数据库名中带 .
|
||
|
||
if (string.Compare(tbname[0], "PUBLIC", true) != 0 && _orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(" select 1 from sys_namespace where nspname={0}", tbname[0])) == null) //创建模式
|
||
sb.Append("CREATE SCHEMA IF NOT EXISTS ").Append(tbname[0]).Append(";\r\n");
|
||
|
||
var sbalter = new StringBuilder();
|
||
var istmpatler = false; //创建临时表，导入数据，删除旧表，修改
|
||
if (_orm.Ado.ExecuteScalar(CommandType.Text, string.Format(" select 1 from sys_tables a inner join sys_namespace b on b.nspname = a.schemaname where b.nspname || '.' || a.tablename = '{0}.{1}'", tbname)) == null)
|
||
{ //表不存在
|
||
if (tboldname != null)
|
||
{
|
||
if (_orm.Ado.ExecuteScalar(CommandType.Text, string.Format(" select 1 from sys_tables a inner join sys_namespace b on b.nspname = a.schemaname where b.nspname || '.' || a.tablename = '{0}.{1}'", tboldname)) == null)
|
||
//旧表不存在
|
||
tboldname = null;
|
||
}
|
||
if (tboldname == null)
|
||
{
|
||
//创建表
|
||
var createTableName = _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}");
|
||
sb.Append("CREATE TABLE IF NOT EXISTS ").Append(createTableName).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(NativeTuple.Create(tbcol, tbname, true));
|
||
}
|
||
if (tb.Primarys.Any())
|
||
{
|
||
var pkname = $"{tbname[0]}_{tbname[1]}_PKEY";
|
||
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(pkname)).Append(" PRIMARY KEY (");
|
||
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
||
sb.Remove(sb.Length - 2, 2).Append("),");
|
||
}
|
||
sb.Remove(sb.Length - 1, 1);
|
||
sb.Append("\r\n) WITH (OIDS=FALSE);\r\n");
|
||
//创建表的索引
|
||
foreach (var uk in tb.Indexes)
|
||
{
|
||
sb.Append("CREATE ");
|
||
if (uk.IsUnique) sb.Append("UNIQUE ");
|
||
sb.Append("INDEX ").Append(_commonUtils.QuoteSqlName(ReplaceIndexName(uk.Name, tbname[1]))).Append(" ON ").Append(createTableName).Append("(");
|
||
foreach (var tbcol in uk.Columns)
|
||
{
|
||
sb.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
|
||
if (tbcol.IsDesc) sb.Append(" DESC");
|
||
sb.Append(", ");
|
||
}
|
||
sb.Remove(sb.Length - 2, 2).Append(");\r\n");
|
||
}
|
||
//备注
|
||
foreach (var tbcol in tb.ColumnsByPosition)
|
||
{
|
||
if (string.IsNullOrEmpty(tbcol.Comment) == false)
|
||
sb.Append("COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{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
|
||
|
||
//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.attname,
|
||
t.typname,
|
||
case when a.atttypmod > 0 and a.atttypmod < 32767 then a.atttypmod - 4 else a.attlen end len,
|
||
case when t.typelem > 0 and t.typinput::varchar = 'ARRAY_IN' then t2.typname else t.typname end,
|
||
case when a.attnotnull then '0' else '1' end as is_nullable,
|
||
--e.adsrc,
|
||
(select sys_get_expr(adbin, adrelid) from sys_attrdef where adrelid = e.adrelid limit 1) is_identity,
|
||
a.attndims,
|
||
d.description as comment
|
||
from sys_class c
|
||
inner join sys_attribute a on a.attnum > 0 and a.attrelid = c.oid
|
||
inner join sys_type t on t.oid = a.atttypid
|
||
left join sys_type t2 on t2.oid = t.typelem
|
||
left join sys_description d on d.objoid = a.attrelid and d.objsubid = a.attnum
|
||
left join sys_attrdef e on e.adrelid = a.attrelid and e.adnum = a.attnum
|
||
inner join sys_namespace ns on ns.oid = c.relnamespace
|
||
inner join sys_namespace ns2 on ns2.oid = t.typnamespace
|
||
where ns.nspname = {0} and c.relname = {1}", tboldname ?? tbname);
|
||
var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
|
||
var tbstruct = ds.ToDictionary(a => string.Concat(a[0]), a =>
|
||
{
|
||
var attndims = int.Parse(string.Concat(a[6]));
|
||
var type = string.Concat(a[1]);
|
||
var sqlType = string.Concat(a[3]);
|
||
var max_length = long.Parse(string.Concat(a[2]));
|
||
switch (sqlType.ToLower())
|
||
{
|
||
case "bool": case "name": case "bit": case "varbit": case "bpchar": case "varchar": case "bytea": case "text": case "uuid": break;
|
||
default: max_length *= 8; break;
|
||
}
|
||
if (type.StartsWith("_"))
|
||
{
|
||
type = type.Substring(1);
|
||
if (attndims == 0) attndims++;
|
||
}
|
||
if (sqlType.StartsWith("_")) sqlType = sqlType.Substring(1);
|
||
return new
|
||
{
|
||
column = string.Concat(a[0]),
|
||
sqlType = string.Concat(sqlType),
|
||
max_length = long.Parse(string.Concat(a[2])),
|
||
is_nullable = string.Concat(a[4]) == "1",
|
||
is_identity = string.Concat(a[5]).StartsWith(@"NEXTVAL('") && (string.Concat(a[5]).EndsWith(@"'::REGCLASS)") || string.Concat(a[5]).EndsWith(@"')")),
|
||
attndims,
|
||
comment = string.Concat(a[7])
|
||
};
|
||
}, 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.DbType.Contains("[]") != (tbstructcol.attndims > 0))
|
||
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ALTER COLUMN ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" TYPE ").Append(tbcol.Attribute.DbType.Split(' ').First()).Append(";\r\n");
|
||
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)
|
||
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
|
||
c.attname,
|
||
b.relname,
|
||
case when sys_index_column_has_property(b.oid, c.attnum, 'desc') = 't' then 1 else 0 end IsDesc,
|
||
case when indisunique = 't' then 1 else 0 end IsUnique
|
||
from sys_index a
|
||
inner join sys_class b on b.oid = a.indexrelid
|
||
inner join sys_attribute c on c.attnum > 0 and c.attrelid = b.oid
|
||
inner join sys_namespace ns on ns.oid = b.relnamespace
|
||
inner join sys_class d on d.oid = a.indrelid
|
||
where ns.nspname in ({0}) and d.relname in ({1}) and a.indisprimary = 'f'", 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]) });
|
||
foreach (var uk in tb.Indexes)
|
||
{
|
||
if (string.IsNullOrEmpty(uk.Name) || uk.Columns.Any() == false) continue;
|
||
var ukname = ReplaceIndexName(uk.Name, tbname[1]);
|
||
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], ukname, true) == 0).ToArray();
|
||
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Columns.Length || dsukfind1.Where(a => uk.Columns.Where(b => (a[3] == "1") == uk.IsUnique && string.Compare(b.Column.Attribute.Name, a[0], true) == 0 && (a[2] == "1") == b.IsDesc).Any()).Count() != uk.Columns.Length)
|
||
{
|
||
if (dsukfind1.Any()) sbalter.Append("DROP INDEX ").Append(_commonUtils.QuoteSqlName(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($"{tbname[0]}.{tbname[1]}")).Append("(");
|
||
foreach (var tbcol in uk.Columns)
|
||
{
|
||
sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
|
||
if (tbcol.IsDesc) sbalter.Append(" DESC");
|
||
sbalter.Append(", ");
|
||
}
|
||
sbalter.Remove(sbalter.Length - 2, 2).Append(");\r\n");
|
||
}
|
||
}
|
||
}
|
||
if (istmpatler == false)
|
||
{
|
||
var dbcomment = string.Concat(_orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(@" select
|
||
d.description
|
||
from sys_class a
|
||
inner join sys_namespace b on b.oid = a.relnamespace
|
||
left join sys_description d on d.objoid = a.oid and objsubid = 0
|
||
where b.nspname not in ('SYS_CATALOG', 'INFORMATION_SCHEMA', 'TOPOLOGY', 'SYSAUDIT', 'SYSLOGICAL', 'SYS_TEMP_1', 'SYS_TOAST', 'SYS_TOAST_TEMP_1', 'XLOG_RECORD_READ') and a.relkind in ('r') and b.nspname = {0} and a.relname = {1}
|
||
and b.nspname || '.' || a.relname not in ('PUBLIC.GEOGRAPHY_COLUMNS','PUBLIC.GEOMETRY_COLUMNS','PUBLIC.RASTER_COLUMNS','PUBLIC.RASTER_OVERVIEWS')", tbname[0], tbname[1])));
|
||
if (dbcomment != (tb.Comment ?? ""))
|
||
sb.Append("COMMENT ON TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tb.Comment)).Append(";\r\n");
|
||
|
||
sb.Append(sbalter);
|
||
continue;
|
||
}
|
||
var oldpk = _orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(@" select sys_constraint.conname as pk_name from sys_constraint
|
||
inner join sys_class on sys_constraint.conrelid = sys_class.oid
|
||
inner join sys_namespace on sys_namespace.oid = sys_class.relnamespace
|
||
where sys_namespace.nspname={0} and sys_class.relname={1} and sys_constraint.contype='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($"{tboldname[0]}.{tboldname[1]}");
|
||
var tmptablename = _commonUtils.QuoteSqlName($"{tbname[0]}.FTmp_{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(" ").Append(tbcol.Attribute.DbType).Append(",");
|
||
if (tbcol.Attribute.IsIdentity == true) seqcols.Add(NativeTuple.Create(tbcol, tbname, true));
|
||
}
|
||
if (tb.Primarys.Any())
|
||
{
|
||
var pkname = $"{tbname[0]}_{tbname[1]}_pkey";
|
||
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(pkname)).Append(" PRIMARY KEY (");
|
||
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
||
sb.Remove(sb.Length - 2, 2).Append("),");
|
||
}
|
||
sb.Remove(sb.Length - 1, 1);
|
||
sb.Append("\r\n) WITH (OIDS=FALSE);\r\n");
|
||
//备注
|
||
foreach (var tbcol in tb.ColumnsByPosition)
|
||
{
|
||
if (string.IsNullOrEmpty(tbcol.Comment) == false)
|
||
sb.Append("COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.FTmp_{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]}.FTmp_{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 = $"coalesce({insertvalue},{tbcol.DbDefaultValue})";
|
||
}
|
||
else if (tbcol.Attribute.IsNullable == false)
|
||
insertvalue = tbcol.DbDefaultValue;
|
||
sb.Append(insertvalue).Append(", ");
|
||
}
|
||
sb.Remove(sb.Length - 2, 2).Append(" FROM ").Append(tablename).Append(";\r\n");
|
||
sb.Append("DROP TABLE ").Append(tablename).Append(";\r\n");
|
||
sb.Append("ALTER TABLE ").Append(tmptablename).Append(" RENAME TO ").Append(_commonUtils.QuoteSqlName(tbname[1])).Append(";\r\n");
|
||
//创建表的索引
|
||
foreach (var uk in tb.Indexes)
|
||
{
|
||
sb.Append("CREATE ");
|
||
if (uk.IsUnique) sb.Append("UNIQUE ");
|
||
sb.Append("INDEX ").Append(_commonUtils.QuoteSqlName(ReplaceIndexName(uk.Name, tbname[1]))).Append(" ON ").Append(tablename).Append("(");
|
||
foreach (var tbcol in uk.Columns)
|
||
{
|
||
sb.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
|
||
if (tbcol.IsDesc) sb.Append(" DESC");
|
||
sb.Append(", ");
|
||
}
|
||
sb.Remove(sb.Length - 2, 2).Append(");\r\n");
|
||
}
|
||
}
|
||
foreach (var seqcol in seqcols)
|
||
{
|
||
var tbname = seqcol.Item2;
|
||
var seqname = Utils.GetCsName($"{tbname[0]}.{tbname[1]}_{seqcol.Item1.Attribute.Name}_seq").ToUpper(); ;
|
||
var tbname2 = _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}");
|
||
var colname2 = _commonUtils.QuoteSqlName(seqcol.Item1.Attribute.Name);
|
||
sb.Append("ALTER TABLE ").Append(tbname2).Append(" ALTER COLUMN ").Append(colname2).Append(" SET DEFAULT null;\r\n");
|
||
sb.Append("DROP SEQUENCE IF EXISTS ").Append(seqname).Append(";\r\n");
|
||
if (seqcol.Item3)
|
||
{
|
||
sb.Append("CREATE SEQUENCE ").Append(seqname).Append(";\r\n");
|
||
sb.Append("ALTER TABLE ").Append(tbname2).Append(" ALTER COLUMN ").Append(colname2).Append(" SET DEFAULT NEXTVAL('").Append(seqname).Append("'::REGCLASS);\r\n");
|
||
sb.Append(" SELECT case when max(").Append(colname2).Append(") is null then 0 else setval('").Append(seqname).Append("', max(").Append(colname2).Append(")) end FROM ").Append(tbname2).Append(";\r\n");
|
||
}
|
||
}
|
||
return sb.Length == 0 ? null : sb.ToString();
|
||
}
|
||
}
|
||
} |