private DbTable GetDbTableTemp() { var dbTable = new DbTable("table_test", "schema_test", new List <DbColumn>() { new DbColumn("column1", DbType.String, true, false, false, false), new DbColumn("column2", DbType.String, true, false, false, false), new DbColumn("primary_column", DbType.Int64, false, true, true, false) }); foreach (var item in dbTable.Columns) { item.ColumnTypeName = SchemaFactory.GetColumnTypeName(item.DbType, "table_test", item.IsPrimaryKey, item.Nullable); } return(dbTable); }