Performance Profiling

Total processing time: 89 ms; Peak memory: 7.085 MB. Show Profiling Timeline

总计4条数据。

Time	Duration	Category	Info

11:36:57.097	2.8 ms	yii\db\Connection::open	Opening DB connection: mysql:host=mysql-teach;dbname=teach_exam
11:36:57.105	2.0 ms	yii\db\Command::query	SELECT * FROM `paper_course_chapter_relation` WHERE (`is_deleted`=1) AND (`course_id`='79')
11:36:57.118	1.1 ms	yii\db\Command::query	SELECT COUNT(*) FROM `paper` WHERE 0=1
11:36:57.119	0.3 ms	yii\db\Command::query	SELECT * FROM `paper` WHERE 0=1 ORDER BY `updated_at` DESC LIMIT 10