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Update Db.DbMain.AddDefaultValue

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sunkaixuan
2022-08-10 23:34:40 +08:00
parent 8510b8de57
commit 0dfbb7f6c1
1 changed files with 5 additions and 5 deletions
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4
Src/Asp.Net/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs
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@@ -456,10 +456,10 @@ namespace SqlSugar
}
if (defaultValue.ToLower().IsIn("now()", "current_timestamp") || defaultValue.ToLower().Contains("current_timestamp"))
{
string template = "ALTER table {0} CHANGE COLUMN {1} {1} {3} default {2}";
string template = "ALTER table {0} CHANGE COLUMN {1} {1} {3} {4} default {2} COMMENT '{5}'";
var dbColumnInfo = this.Context.DbMaintenance.GetColumnInfosByTableName(tableName).First(it => it.DbColumnName.Equals(columnName, StringComparison.CurrentCultureIgnoreCase));
var value = Regex.Match(defaultValue, @"\(\d\)$").Value;
string sql = string.Format(template, tableName, columnName, defaultValue, dbColumnInfo.DataType+ value);
string sql = string.Format(template, tableName, columnName, defaultValue, dbColumnInfo.DataType + value, dbColumnInfo.IsNullable ? " NULL " : " NOT NULL ", dbColumnInfo.ColumnDescription);
this.Context.Ado.ExecuteCommand(sql);
return true;
}