SHOW FULL COLUMNS FROM `task` [ RunTime:0.000875s ]
SELECT * FROM `task` WHERE ( `section_son_id` < 53 AND `code` = 0 ) OR ( `section_son_id` < 53 AND `code` = 1 ) OR ( `section_son_id` < 53 AND `code` = 2 ) OR ( `section_son_id` < 53 AND `code` = 3 ) ORDER BY `create_time` DESC LIMIT 0,30 [ RunTime:0.005264s ]
SHOW FULL COLUMNS FROM `task_column_grandson` [ RunTime:0.000663s ]
SELECT * FROM `task_column_grandson` [ RunTime:0.000595s ]