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源代码改用vs默认格式化
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28810
@ -11,143 +11,165 @@ using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace FreeSql.MySql {
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namespace FreeSql.MySql
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{
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class MySqlCodeFirst : Internal.CommonProvider.CodeFirstProvider {
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class MySqlCodeFirst : Internal.CommonProvider.CodeFirstProvider
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{
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public MySqlCodeFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression) : base(orm, commonUtils, commonExpression) { }
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public MySqlCodeFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression) : base(orm, commonUtils, commonExpression) { }
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static object _dicCsToDbLock = new object();
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static Dictionary<string, (MySqlDbType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)> _dicCsToDb = new Dictionary<string, (MySqlDbType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)>() {
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{ typeof(bool).FullName, (MySqlDbType.Bit, "bit","bit(1) NOT NULL", null, false, false) },{ typeof(bool?).FullName, (MySqlDbType.Bit, "bit","bit(1)", null, true, null) },
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static object _dicCsToDbLock = new object();
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static Dictionary<string, (MySqlDbType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)> _dicCsToDb = new Dictionary<string, (MySqlDbType type, string dbtype, string dbtypeFull, bool? isUnsigned, bool? isnullable, object defaultValue)>() {
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{ typeof(bool).FullName, (MySqlDbType.Bit, "bit","bit(1) NOT NULL", null, false, false) },{ typeof(bool?).FullName, (MySqlDbType.Bit, "bit","bit(1)", null, true, null) },
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{ typeof(sbyte).FullName, (MySqlDbType.Byte, "tinyint", "tinyint(3) NOT NULL", false, false, 0) },{ typeof(sbyte?).FullName, (MySqlDbType.Byte, "tinyint", "tinyint(3)", false, true, null) },
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{ typeof(short).FullName, (MySqlDbType.Int16, "smallint","smallint(6) NOT NULL", false, false, 0) },{ typeof(short?).FullName, (MySqlDbType.Int16, "smallint", "smallint(6)", false, true, null) },
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{ typeof(int).FullName, (MySqlDbType.Int32, "int", "int(11) NOT NULL", false, false, 0) },{ typeof(int?).FullName, (MySqlDbType.Int32, "int", "int(11)", false, true, null) },
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{ typeof(long).FullName, (MySqlDbType.Int64, "bigint","bigint(20) NOT NULL", false, false, 0) },{ typeof(long?).FullName, (MySqlDbType.Int64, "bigint","bigint(20)", false, true, null) },
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{ typeof(sbyte).FullName, (MySqlDbType.Byte, "tinyint", "tinyint(3) NOT NULL", false, false, 0) },{ typeof(sbyte?).FullName, (MySqlDbType.Byte, "tinyint", "tinyint(3)", false, true, null) },
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{ typeof(short).FullName, (MySqlDbType.Int16, "smallint","smallint(6) NOT NULL", false, false, 0) },{ typeof(short?).FullName, (MySqlDbType.Int16, "smallint", "smallint(6)", false, true, null) },
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{ typeof(int).FullName, (MySqlDbType.Int32, "int", "int(11) NOT NULL", false, false, 0) },{ typeof(int?).FullName, (MySqlDbType.Int32, "int", "int(11)", false, true, null) },
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{ typeof(long).FullName, (MySqlDbType.Int64, "bigint","bigint(20) NOT NULL", false, false, 0) },{ typeof(long?).FullName, (MySqlDbType.Int64, "bigint","bigint(20)", false, true, null) },
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{ typeof(byte).FullName, (MySqlDbType.UByte, "tinyint","tinyint(3) unsigned NOT NULL", true, false, 0) },{ typeof(byte?).FullName, (MySqlDbType.UByte, "tinyint","tinyint(3) unsigned", true, true, null) },
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{ typeof(ushort).FullName, (MySqlDbType.UInt16, "smallint","smallint(5) unsigned NOT NULL", true, false, 0) },{ typeof(ushort?).FullName, (MySqlDbType.UInt16, "smallint", "smallint(5) unsigned", true, true, null) },
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{ typeof(uint).FullName, (MySqlDbType.UInt32, "int", "int(10) unsigned NOT NULL", true, false, 0) },{ typeof(uint?).FullName, (MySqlDbType.UInt32, "int", "int(10) unsigned", true, true, null) },
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{ typeof(ulong).FullName, (MySqlDbType.UInt64, "bigint", "bigint(20) unsigned NOT NULL", true, false, 0) },{ typeof(ulong?).FullName, (MySqlDbType.UInt64, "bigint", "bigint(20) unsigned", true, true, null) },
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{ typeof(byte).FullName, (MySqlDbType.UByte, "tinyint","tinyint(3) unsigned NOT NULL", true, false, 0) },{ typeof(byte?).FullName, (MySqlDbType.UByte, "tinyint","tinyint(3) unsigned", true, true, null) },
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{ typeof(ushort).FullName, (MySqlDbType.UInt16, "smallint","smallint(5) unsigned NOT NULL", true, false, 0) },{ typeof(ushort?).FullName, (MySqlDbType.UInt16, "smallint", "smallint(5) unsigned", true, true, null) },
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{ typeof(uint).FullName, (MySqlDbType.UInt32, "int", "int(10) unsigned NOT NULL", true, false, 0) },{ typeof(uint?).FullName, (MySqlDbType.UInt32, "int", "int(10) unsigned", true, true, null) },
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{ typeof(ulong).FullName, (MySqlDbType.UInt64, "bigint", "bigint(20) unsigned NOT NULL", true, false, 0) },{ typeof(ulong?).FullName, (MySqlDbType.UInt64, "bigint", "bigint(20) unsigned", true, true, null) },
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{ typeof(double).FullName, (MySqlDbType.Double, "double", "double NOT NULL", false, false, 0) },{ typeof(double?).FullName, (MySqlDbType.Double, "double", "double", false, true, null) },
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{ typeof(float).FullName, (MySqlDbType.Float, "float","float NOT NULL", false, false, 0) },{ typeof(float?).FullName, (MySqlDbType.Float, "float","float", false, true, null) },
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{ typeof(decimal).FullName, (MySqlDbType.Decimal, "decimal", "decimal(10,2) NOT NULL", false, false, 0) },{ typeof(decimal?).FullName, (MySqlDbType.Decimal, "decimal", "decimal(10,2)", false, true, null) },
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{ typeof(double).FullName, (MySqlDbType.Double, "double", "double NOT NULL", false, false, 0) },{ typeof(double?).FullName, (MySqlDbType.Double, "double", "double", false, true, null) },
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{ typeof(float).FullName, (MySqlDbType.Float, "float","float NOT NULL", false, false, 0) },{ typeof(float?).FullName, (MySqlDbType.Float, "float","float", false, true, null) },
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{ typeof(decimal).FullName, (MySqlDbType.Decimal, "decimal", "decimal(10,2) NOT NULL", false, false, 0) },{ typeof(decimal?).FullName, (MySqlDbType.Decimal, "decimal", "decimal(10,2)", false, true, null) },
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{ typeof(TimeSpan).FullName, (MySqlDbType.Time, "time","time NOT NULL", false, false, 0) },{ typeof(TimeSpan?).FullName, (MySqlDbType.Time, "time", "time",false, true, null) },
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{ typeof(DateTime).FullName, (MySqlDbType.DateTime, "datetime(3)", "datetime(3) NOT NULL", false, false, new DateTime(1970,1,1)) },{ typeof(DateTime?).FullName, (MySqlDbType.DateTime, "datetime(3)", "datetime(3)", false, true, null) },
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{ typeof(TimeSpan).FullName, (MySqlDbType.Time, "time","time NOT NULL", false, false, 0) },{ typeof(TimeSpan?).FullName, (MySqlDbType.Time, "time", "time",false, true, null) },
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{ typeof(DateTime).FullName, (MySqlDbType.DateTime, "datetime(3)", "datetime(3) NOT NULL", false, false, new DateTime(1970,1,1)) },{ typeof(DateTime?).FullName, (MySqlDbType.DateTime, "datetime(3)", "datetime(3)", false, true, null) },
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{ typeof(byte[]).FullName, (MySqlDbType.VarBinary, "varbinary", "varbinary(255)", false, null, new byte[0]) },
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{ typeof(string).FullName, (MySqlDbType.VarChar, "varchar", "varchar(255)", false, null, "") },
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{ typeof(byte[]).FullName, (MySqlDbType.VarBinary, "varbinary", "varbinary(255)", false, null, new byte[0]) },
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{ typeof(string).FullName, (MySqlDbType.VarChar, "varchar", "varchar(255)", false, null, "") },
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{ typeof(Guid).FullName, (MySqlDbType.VarChar, "char", "char(36) NOT NULL", false, false, Guid.Empty) },{ typeof(Guid?).FullName, (MySqlDbType.VarChar, "char", "char(36)", false, true, null) },
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{ typeof(Guid).FullName, (MySqlDbType.VarChar, "char", "char(36) NOT NULL", false, false, Guid.Empty) },{ typeof(Guid?).FullName, (MySqlDbType.VarChar, "char", "char(36)", false, true, null) },
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{ typeof(MygisPoint).FullName, (MySqlDbType.Geometry, "point", "point", false, null, new MygisPoint(0, 0)) },
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{ typeof(MygisLineString).FullName, (MySqlDbType.Geometry, "linestring", "linestring", false, null, new MygisLineString(new[]{new MygisCoordinate2D(),new MygisCoordinate2D()})) },
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{ typeof(MygisPolygon).FullName, (MySqlDbType.Geometry, "polygon", "polygon", false, null, new MygisPolygon(new[]{new[]{new MygisCoordinate2D(),new MygisCoordinate2D()},new[]{new MygisCoordinate2D(),new MygisCoordinate2D()}})) },
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{ typeof(MygisMultiPoint).FullName, (MySqlDbType.Geometry, "multipoint","multipoint", false, null, new MygisMultiPoint(new[]{new MygisCoordinate2D(),new MygisCoordinate2D()})) },
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{ typeof(MygisMultiLineString).FullName, (MySqlDbType.Geometry, "multilinestring","multilinestring", false, null, new MygisMultiLineString(new[]{new[]{new MygisCoordinate2D(),new MygisCoordinate2D()},new[]{new MygisCoordinate2D(),new MygisCoordinate2D()}})) },
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{ typeof(MygisMultiPolygon).FullName, (MySqlDbType.Geometry, "multipolygon", "multipolygon", false, null, new MygisMultiPolygon(new[]{new MygisPolygon(new[]{new[]{new MygisCoordinate2D(),new MygisCoordinate2D()},new[]{new MygisCoordinate2D(),new MygisCoordinate2D()}}),new MygisPolygon(new[]{new[]{new MygisCoordinate2D(),new MygisCoordinate2D()},new[]{new MygisCoordinate2D(),new MygisCoordinate2D()}})})) },
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};
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{ typeof(MygisPoint).FullName, (MySqlDbType.Geometry, "point", "point", false, null, new MygisPoint(0, 0)) },
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{ typeof(MygisLineString).FullName, (MySqlDbType.Geometry, "linestring", "linestring", false, null, new MygisLineString(new[]{new MygisCoordinate2D(),new MygisCoordinate2D()})) },
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{ typeof(MygisPolygon).FullName, (MySqlDbType.Geometry, "polygon", "polygon", false, null, new MygisPolygon(new[]{new[]{new MygisCoordinate2D(),new MygisCoordinate2D()},new[]{new MygisCoordinate2D(),new MygisCoordinate2D()}})) },
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{ typeof(MygisMultiPoint).FullName, (MySqlDbType.Geometry, "multipoint","multipoint", false, null, new MygisMultiPoint(new[]{new MygisCoordinate2D(),new MygisCoordinate2D()})) },
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{ typeof(MygisMultiLineString).FullName, (MySqlDbType.Geometry, "multilinestring","multilinestring", false, null, new MygisMultiLineString(new[]{new[]{new MygisCoordinate2D(),new MygisCoordinate2D()},new[]{new MygisCoordinate2D(),new MygisCoordinate2D()}})) },
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{ typeof(MygisMultiPolygon).FullName, (MySqlDbType.Geometry, "multipolygon", "multipolygon", false, null, new MygisMultiPolygon(new[]{new MygisPolygon(new[]{new[]{new MygisCoordinate2D(),new MygisCoordinate2D()},new[]{new MygisCoordinate2D(),new MygisCoordinate2D()}}),new MygisPolygon(new[]{new[]{new MygisCoordinate2D(),new MygisCoordinate2D()},new[]{new MygisCoordinate2D(),new MygisCoordinate2D()}})})) },
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};
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public override (int type, string dbtype, string dbtypeFull, bool? isnullable, object defaultValue)? GetDbInfo(Type type) {
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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));
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if (type.IsArray) return null;
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var enumType = type.IsEnum ? type : null;
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if (enumType == null && type.IsNullableType() && type.GenericTypeArguments.Length == 1 && type.GenericTypeArguments.First().IsEnum) enumType = type.GenericTypeArguments.First();
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if (enumType != null) {
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var names = string.Join(",", Enum.GetNames(enumType).Select(a => _commonUtils.FormatSql("{0}", a)));
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var newItem = enumType.GetCustomAttributes(typeof(FlagsAttribute), false).Any() ?
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(MySqlDbType.Set, "set", $"set({names}){(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0)) :
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(MySqlDbType.Enum, "enum", $"enum({names}){(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0));
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if (_dicCsToDb.ContainsKey(type.FullName) == false) {
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lock (_dicCsToDbLock) {
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if (_dicCsToDb.ContainsKey(type.FullName) == false)
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_dicCsToDb.Add(type.FullName, newItem);
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}
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}
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return ((int)newItem.Item1, newItem.Item2, newItem.Item3, newItem.Item5, newItem.Item6);
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}
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return null;
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}
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public override (int type, string dbtype, string dbtypeFull, bool? isnullable, object defaultValue)? GetDbInfo(Type type)
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{
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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));
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if (type.IsArray) return null;
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var enumType = type.IsEnum ? type : null;
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if (enumType == null && type.IsNullableType() && type.GenericTypeArguments.Length == 1 && type.GenericTypeArguments.First().IsEnum) enumType = type.GenericTypeArguments.First();
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if (enumType != null)
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{
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var names = string.Join(",", Enum.GetNames(enumType).Select(a => _commonUtils.FormatSql("{0}", a)));
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var newItem = enumType.GetCustomAttributes(typeof(FlagsAttribute), false).Any() ?
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(MySqlDbType.Set, "set", $"set({names}){(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0)) :
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(MySqlDbType.Enum, "enum", $"enum({names}){(type.IsEnum ? " NOT NULL" : "")}", false, type.IsEnum ? false : true, Enum.GetValues(enumType).GetValue(0));
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if (_dicCsToDb.ContainsKey(type.FullName) == false)
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{
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lock (_dicCsToDbLock)
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{
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if (_dicCsToDb.ContainsKey(type.FullName) == false)
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_dicCsToDb.Add(type.FullName, newItem);
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}
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}
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return ((int)newItem.Item1, newItem.Item2, newItem.Item3, newItem.Item5, newItem.Item6);
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}
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return null;
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}
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public override string GetComparisonDDLStatements(params Type[] entityTypes) {
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var conn = _orm.Ado.MasterPool.Get(TimeSpan.FromSeconds(5));
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var database = conn.Value.Database;
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Func<string, string, object> ExecuteScalar = (db, sql) => {
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if (string.Compare(database, db) != 0) conn.Value.ChangeDatabase(db);
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try {
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using (var cmd = conn.Value.CreateCommand()) {
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cmd.CommandText = sql;
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cmd.CommandType = CommandType.Text;
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return cmd.ExecuteScalar();
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}
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} finally {
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if (string.Compare(database, db) != 0) conn.Value.ChangeDatabase(database);
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}
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};
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var sb = new StringBuilder();
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try {
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foreach (var entityType in entityTypes) {
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if (sb.Length > 0) sb.Append("\r\n");
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var tb = _commonUtils.GetTableByEntity(entityType);
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if (tb == null) throw new Exception($"类型 {entityType.FullName} 不可迁移");
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if (tb.Columns.Any() == false) throw new Exception($"类型 {entityType.FullName} 不可迁移，可迁移属性0个");
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var tbname = tb.DbName.Split(new[] { '.' }, 2);
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if (tbname?.Length == 1) tbname = new[] { database, tbname[0] };
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public override string GetComparisonDDLStatements(params Type[] entityTypes)
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{
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var conn = _orm.Ado.MasterPool.Get(TimeSpan.FromSeconds(5));
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var database = conn.Value.Database;
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Func<string, string, object> ExecuteScalar = (db, sql) =>
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{
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if (string.Compare(database, db) != 0) conn.Value.ChangeDatabase(db);
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try
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{
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using (var cmd = conn.Value.CreateCommand())
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{
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cmd.CommandText = sql;
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cmd.CommandType = CommandType.Text;
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return cmd.ExecuteScalar();
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}
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}
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finally
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{
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if (string.Compare(database, db) != 0) conn.Value.ChangeDatabase(database);
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}
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};
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var sb = new StringBuilder();
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try
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{
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foreach (var entityType in entityTypes)
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{
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if (sb.Length > 0) sb.Append("\r\n");
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var tb = _commonUtils.GetTableByEntity(entityType);
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if (tb == null) throw new Exception($"类型 {entityType.FullName} 不可迁移");
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if (tb.Columns.Any() == false) throw new Exception($"类型 {entityType.FullName} 不可迁移，可迁移属性0个");
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var tbname = tb.DbName.Split(new[] { '.' }, 2);
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if (tbname?.Length == 1) tbname = new[] { database, tbname[0] };
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var tboldname = tb.DbOldName?.Split(new[] { '.' }, 2); //旧表名
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if (tboldname?.Length == 1) tboldname = new[] { database, tboldname[0] };
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var tboldname = tb.DbOldName?.Split(new[] { '.' }, 2); //旧表名
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if (tboldname?.Length == 1) tboldname = new[] { database, tboldname[0] };
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if (string.Compare(tbname[0], database, true) != 0 && ExecuteScalar(database, _commonUtils.FormatSql(" select 1 from information_schema.schemata where schema_name={0}", tbname[0])) == null) //创建数据库
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sb.Append($"CREATE DATABASE IF NOT EXISTS ").Append(_commonUtils.QuoteSqlName(tbname[0])).Append(" default charset utf8 COLLATE utf8_general_ci;\r\n");
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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
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sb.Append($"CREATE DATABASE IF NOT EXISTS ").Append(_commonUtils.QuoteSqlName(tbname[0])).Append(" default charset utf8 COLLATE utf8_general_ci;\r\n");
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var sbalter = new StringBuilder();
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var istmpatler = false; //创建临时表，导入数据，删除旧表，修改
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if (ExecuteScalar(tbname[0], _commonUtils.FormatSql(" SELECT 1 FROM information_schema.TABLES WHERE table_schema={0} and table_name={1}", tbname)) == null) { //表不存在
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if (tboldname != null) {
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if (string.Compare(tboldname[0], tbname[0], true) != 0 && ExecuteScalar(database, _commonUtils.FormatSql(" select 1 from information_schema.schemata where schema_name={0}", tboldname[0])) == null ||
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ExecuteScalar(tboldname[0], _commonUtils.FormatSql(" SELECT 1 FROM information_schema.TABLES WHERE table_schema={0} and table_name={1}", tboldname)) == null)
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//数据库或表不存在
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tboldname = null;
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}
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if (tboldname == null) {
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//创建表
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sb.Append("CREATE TABLE IF NOT EXISTS ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ( ");
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foreach (var tbcol in tb.Columns.Values) {
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sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ");
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sb.Append(tbcol.Attribute.DbType);
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if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("AUTO_INCREMENT", StringComparison.CurrentCultureIgnoreCase) == -1) sb.Append(" AUTO_INCREMENT");
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if (string.IsNullOrEmpty(tbcol.Comment) == false) sb.Append(" COMMENT ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment));
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sb.Append(",");
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}
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if (tb.Primarys.Any()) {
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sb.Append(" \r\n PRIMARY KEY (");
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foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
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sb.Remove(sb.Length - 2, 2).Append("),");
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}
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foreach (var uk in tb.Uniques) {
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sb.Append(" \r\n UNIQUE KEY ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("(");
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foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
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sb.Remove(sb.Length - 2, 2).Append("),");
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}
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sb.Remove(sb.Length - 1, 1);
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sb.Append("\r\n) Engine=InnoDB;\r\n");
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continue;
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}
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//如果新表，旧表在一个数据库下，直接修改表名
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if (string.Compare(tbname[0], tboldname[0], true) == 0)
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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
|
||||
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($"{tbname[0]}.{tbname[1]}")).Append(" ( ");
|
||||
foreach (var tbcol in tb.Columns.Values)
|
||||
{
|
||||
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ");
|
||||
sb.Append(tbcol.Attribute.DbType);
|
||||
if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("AUTO_INCREMENT", StringComparison.CurrentCultureIgnoreCase) == -1) sb.Append(" AUTO_INCREMENT");
|
||||
if (string.IsNullOrEmpty(tbcol.Comment) == false) sb.Append(" COMMENT ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment));
|
||||
sb.Append(",");
|
||||
}
|
||||
if (tb.Primarys.Any())
|
||||
{
|
||||
sb.Append(" \r\n PRIMARY KEY (");
|
||||
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
||||
sb.Remove(sb.Length - 2, 2).Append("),");
|
||||
}
|
||||
foreach (var uk in tb.Uniques)
|
||||
{
|
||||
sb.Append(" \r\n UNIQUE KEY ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("(");
|
||||
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
||||
sb.Remove(sb.Length - 2, 2).Append("),");
|
||||
}
|
||||
sb.Remove(sb.Length - 1, 1);
|
||||
sb.Append("\r\n) Engine=InnoDB;\r\n");
|
||||
continue;
|
||||
}
|
||||
//如果新表，旧表在一个数据库下，直接修改表名
|
||||
if (string.Compare(tbname[0], tboldname[0], true) == 0)
|
||||
sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{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(@"
|
||||
//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,
|
||||
@ -156,131 +178,153 @@ 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);
|
||||
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.Columns.Values) {
|
||||
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(@"
|
||||
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.Columns.Values)
|
||||
{
|
||||
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($"{tbname[0]}.{tbname[1]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
|
||||
foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
||||
sbalter.Remove(sbalter.Length - 2, 2).Append(");\r\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
if (istmpatler == false) {
|
||||
sb.Append(sbalter);
|
||||
continue;
|
||||
}
|
||||
var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
|
||||
foreach (var uk in tb.Uniques)
|
||||
{
|
||||
if (uk.Key == "PRIMARY" || string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
|
||||
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
|
||||
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count)
|
||||
{
|
||||
if (dsukfind1.Any()) sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{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.Columns.Values) {
|
||||
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.Columns.Values)
|
||||
sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
||||
sb.Remove(sb.Length - 2, 2).Append(")\r\nSELECT ");
|
||||
foreach (var tbcol in tb.Columns.Values) {
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
//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.Columns.Values)
|
||||
{
|
||||
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.Columns.Values)
|
||||
sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
|
||||
sb.Remove(sb.Length - 2, 2).Append(")\r\nSELECT ");
|
||||
foreach (var tbcol in tb.Columns.Values)
|
||||
{
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user