Performance Profiling

Total processing time: 36 ms; Peak memory: 7.092 MB. Show Profiling Timeline

总计4条数据。

Time	Duration	Category	Info

11:09:51.146	2.1 ms	yii\db\Connection::open	Opening DB connection: mysql:host=mysql-teach;dbname=teach_exam
11:09:51.149	0.8 ms	yii\db\Command::query	SELECT * FROM `paper_course_chapter_relation` WHERE (`is_deleted`=1) AND (`course_id`='109')
11:09:51.151	0.5 ms	yii\db\Command::query	SELECT COUNT(*) FROM `paper` WHERE 0=1
11:09:51.151	0.4 ms	yii\db\Command::query	SELECT * FROM `paper` WHERE 0=1 ORDER BY `updated_at` DESC LIMIT 10