select column_name, (case when (is_nullable = 'no' column_key != 'PRI') then '1' else null end) as is_required, (case when column_key = 'PRI' then '1' else '0' end) as is_pk, ordinal_position as sort, column_comment, column_type from information_schema.columns where table_schema = (select database()) and table_name = (#{tableName}) order by ordinal_position delete from generator_table_column where table_id in #{tableId}