Performance Profiling

Total processing time: 37 ms; Peak memory: 7.096 MB. Show Profiling Timeline

总计4条数据。

Time	Duration	Category	Info

11:45:42.015	2.6 ms	yii\db\Connection::open	Opening DB connection: mysql:host=mysql-teach;dbname=teach_exam
11:45:42.019	0.8 ms	yii\db\Command::query	SELECT * FROM `paper_course_chapter_relation` WHERE (`is_deleted`=1) AND (`course_id`='85')
11:45:42.021	0.5 ms	yii\db\Command::query	SELECT * FROM `paper` WHERE 0=1 ORDER BY `updated_at` DESC LIMIT 10
11:45:42.021	0.4 ms	yii\db\Command::query	SELECT COUNT(*) FROM `paper` WHERE 0=1