Performance Profiling

Total processing time: 128 ms; Peak memory: 7.974 MB. Show Profiling Timeline

总计16条数据。

Time	Duration	Category	Info

23:01:04.453	3.6 ms	yii\db\Command::query	SELECT * FROM `classify` WHERE `user_id`='1'
23:01:04.440	1.8 ms	yii\db\Connection::open	Opening DB connection: mysql:host=mysql-teach;dbname=teach_exam
23:01:04.445	1.5 ms	yii\db\Command::query	SELECT COUNT(*) FROM `paper` WHERE `user_id`='1'
23:01:04.521	1.4 ms	yii\db\Command::query	→SELECT * FROM `paper_question` WHERE `paper_id`='19' ORDER BY `sort`
23:01:04.449	0.9 ms	yii\db\Command::query	SHOW FULL COLUMNS FROM `paper`
23:01:04.523	0.8 ms	yii\db\Command::query	→SHOW FULL COLUMNS FROM `paper_question`
23:01:04.456	0.8 ms	yii\db\Command::query	SHOW FULL COLUMNS FROM `classify`
23:01:04.451	0.7 ms	yii\db\Command::query	SELECT `kcu`.`CONSTRAINT_NAME` AS `constraint_name`, `kcu`.`COLUMN_NAME` AS `column_name`, `kcu`.`REFERENCED_TABLE_NAME` AS `referenced_table_name`, `kcu`.`REFERENCED_COLUMN_NAME` AS `referenced_column_name` FROM `information_schema`.`REFERENTIAL_CONSTRAINTS` AS `rc` JOIN `information_schema`.`KEY_COLUMN_USAGE` AS `kcu` ON ( `kcu`.`CONSTRAINT_CATALOG` = `rc`.`CONSTRAINT_CATALOG` OR (`kcu`.`CONSTRAINT_CATALOG` IS NULL AND `rc`.`CONSTRAINT_CATALOG` IS NULL) ) AND `kcu`.`CONSTRAINT_SCHEMA` = `rc`.`CONSTRAINT_SCHEMA` AND `kcu`.`CONSTRAINT_NAME` = `rc`.`CONSTRAINT_NAME` WHERE `rc`.`CONSTRAINT_SCHEMA` = database() AND `kcu`.`TABLE_SCHEMA` = database() AND `rc`.`TABLE_NAME` = 'paper' AND `kcu`.`TABLE_NAME` = 'paper'
23:01:04.524	0.7 ms	yii\db\Command::query	→SELECT `kcu`.`CONSTRAINT_NAME` AS `constraint_name`, `kcu`.`COLUMN_NAME` AS `column_name`, `kcu`.`REFERENCED_TABLE_NAME` AS `referenced_table_name`, `kcu`.`REFERENCED_COLUMN_NAME` AS `referenced_column_name` FROM `information_schema`.`REFERENTIAL_CONSTRAINTS` AS `rc` JOIN `information_schema`.`KEY_COLUMN_USAGE` AS `kcu` ON ( `kcu`.`CONSTRAINT_CATALOG` = `rc`.`CONSTRAINT_CATALOG` OR (`kcu`.`CONSTRAINT_CATALOG` IS NULL AND `rc`.`CONSTRAINT_CATALOG` IS NULL) ) AND `kcu`.`CONSTRAINT_SCHEMA` = `rc`.`CONSTRAINT_SCHEMA` AND `kcu`.`CONSTRAINT_NAME` = `rc`.`CONSTRAINT_NAME` WHERE `rc`.`CONSTRAINT_SCHEMA` = database() AND `kcu`.`TABLE_SCHEMA` = database() AND `rc`.`TABLE_NAME` = 'paper_question' AND `kcu`.`TABLE_NAME` = 'paper_question'
23:01:04.527	0.6 ms	yii\db\Command::query	→SELECT SUM(score) FROM `paper_question` WHERE `paper_id`='21'
23:01:04.526	0.6 ms	yii\db\Command::query	→SELECT * FROM `paper_question` WHERE `paper_id`='21' ORDER BY `sort`
23:01:04.524	0.6 ms	yii\db\Command::query	→SELECT * FROM `classify` WHERE `id`=20
23:01:04.457	0.5 ms	yii\db\Command::query	SELECT `kcu`.`CONSTRAINT_NAME` AS `constraint_name`, `kcu`.`COLUMN_NAME` AS `column_name`, `kcu`.`REFERENCED_TABLE_NAME` AS `referenced_table_name`, `kcu`.`REFERENCED_COLUMN_NAME` AS `referenced_column_name` FROM `information_schema`.`REFERENTIAL_CONSTRAINTS` AS `rc` JOIN `information_schema`.`KEY_COLUMN_USAGE` AS `kcu` ON ( `kcu`.`CONSTRAINT_CATALOG` = `rc`.`CONSTRAINT_CATALOG` OR (`kcu`.`CONSTRAINT_CATALOG` IS NULL AND `rc`.`CONSTRAINT_CATALOG` IS NULL) ) AND `kcu`.`CONSTRAINT_SCHEMA` = `rc`.`CONSTRAINT_SCHEMA` AND `kcu`.`CONSTRAINT_NAME` = `rc`.`CONSTRAINT_NAME` WHERE `rc`.`CONSTRAINT_SCHEMA` = database() AND `kcu`.`TABLE_SCHEMA` = database() AND `rc`.`TABLE_NAME` = 'classify' AND `kcu`.`TABLE_NAME` = 'classify'
23:01:04.525	0.4 ms	yii\db\Command::query	→SELECT SUM(score) FROM `paper_question` WHERE `paper_id`='19'
23:01:04.447	0.4 ms	yii\db\Command::query	SELECT * FROM `paper` WHERE `user_id`='1' ORDER BY `updated_at` DESC LIMIT 10
23:01:04.526	0.3 ms	yii\db\Command::query	→SELECT * FROM `classify` WHERE `id`=20