Performance Profiling

Total processing time: 58 ms; Peak memory: 7.085 MB. Show Profiling Timeline

总计4条数据。

Time	Duration	Category	Info

11:50:57.230	2.5 ms	yii\db\Connection::open	Opening DB connection: mysql:host=mysql-teach;dbname=teach_exam
11:50:57.238	2.1 ms	yii\db\Command::query	SELECT * FROM `paper_course_chapter_relation` WHERE (`is_deleted`=1) AND (`course_id`='79')
11:50:57.242	1.0 ms	yii\db\Command::query	SELECT COUNT(*) FROM `paper` WHERE 0=1
11:50:57.243	0.3 ms	yii\db\Command::query	SELECT * FROM `paper` WHERE 0=1 ORDER BY `updated_at` DESC LIMIT 10