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Synchronization code

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This commit is contained in:
sunkaixuan 2023-11-25 01:54:50 +08:00
parent 532012ed65
commit 341e3d774d
1 changed files with 17 additions and 0 deletions
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17
Src/Asp.Net/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs
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@ -343,6 +343,23 @@ namespace SqlSugar
}
return null;
}
public override bool DropColumn(string tableName, string columnName)
{
if (Regex.IsMatch(tableName, @"^\w+$") && Regex.IsMatch(columnName, @"^\w+$"))
{
var sql = $"SELECT distinct dc.name AS ConstraintName \r\nFROM sys.default_constraints dc\r\nJOIN sys.columns c ON dc.parent_column_id = c.column_id\r\nWHERE dc.parent_object_id = OBJECT_ID('{tableName}')\r\nAND c.name = '{columnName}';";
var checks = this.Context.Ado.SqlQuery<string>(sql);
foreach (var checkName in checks)
{
if (checkName?.ToUpper()?.StartsWith("DF__") == true)
{
this.Context.Ado.ExecuteCommand($"ALTER TABLE {SqlBuilder.GetTranslationColumnName(tableName)} DROP CONSTRAINT {checkName}");
}
}
}
return base.DropColumn(tableName, columnName);
}
public override List<string> GetDbTypes()
{
return this.Context.Ado.SqlQuery<string>(@"SELECT name