Performance Profiling

Total processing time: 49 ms; Peak memory: 7.354 MB. Show Profiling Timeline

总计20条数据。

Time	Duration	Category	Info

05:52:07.232	2.4 ms	yii\db\Connection::open	Opening DB connection: mysql:host=mysql-teach;dbname=teach_exam
05:52:07.247	1.0 ms	yii\db\Command::query	SHOW FULL COLUMNS FROM `question`
05:52:07.237	1.0 ms	yii\db\Command::query	SHOW FULL COLUMNS FROM `paper`
05:52:07.243	0.9 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='select') AND (`paper_id`='18') ORDER BY `sort`
05:52:07.244	0.8 ms	yii\db\Command::query	SHOW FULL COLUMNS FROM `paper_question`
05:52:07.252	0.7 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='78'
05:52:07.236	0.7 ms	yii\db\Command::query	SELECT * FROM `paper` WHERE `id`='18'
05:52:07.246	0.7 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='83'
05:52:07.248	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` = 'question' AND `kcu`.`TABLE_NAME` = 'question'
05:52:07.250	0.7 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='81'
05:52:07.239	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'
05:52:07.245	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'
05:52:07.253	0.7 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='fill') AND (`paper_id`='18') ORDER BY `sort`
05:52:07.251	0.6 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='79'
05:52:07.250	0.6 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='80'
05:52:07.244	0.6 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='multiselect') AND (`paper_id`='18') ORDER BY `sort`
05:52:07.253	0.6 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='77'
05:52:07.249	0.5 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='82'
05:52:07.254	0.5 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='judge') AND (`paper_id`='18') ORDER BY `sort`
05:52:07.255	0.4 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='text') AND (`paper_id`='18') ORDER BY `sort`