Performance Profiling

Total processing time: 35 ms; Peak memory: 7.087 MB. Show Profiling Timeline

总计4条数据。

Time	Duration	Category	Info

11:38:03.625	2.3 ms	yii\db\Connection::open	Opening DB connection: mysql:host=mysql-talkscape;dbname=talkscape_exam
11:38:03.629	0.7 ms	yii\db\Command::query	SELECT * FROM `paper_course_chapter_relation` WHERE (`is_deleted`=1) AND (`course_id`='4')
11:38:03.630	0.5 ms	yii\db\Command::query	SELECT COUNT(*) FROM `paper` WHERE 0=1
11:38:03.631	0.3 ms	yii\db\Command::query	SELECT * FROM `paper` WHERE 0=1 ORDER BY `updated_at` DESC LIMIT 10