Performance Profiling

Total processing time: 98 ms; Peak memory: 7.254 MB. Show Profiling Timeline

总计21条数据。

Time	Duration	Category	Info

14:48:21.396	2.9 ms	yii\db\Connection::open	Opening DB connection: mysql:host=mysql-teach;dbname=teach_exam
14:48:21.422	1.8 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='83'
14:48:21.403	1.6 ms	yii\db\Command::query	SELECT * FROM `paper` WHERE `id`='18'
14:48:21.417	1.4 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='select') AND (`paper_id`='18') ORDER BY `sort`
14:48:21.407	1.1 ms	yii\db\Command::query	SHOW FULL COLUMNS FROM `paper`
14:48:21.424	1.0 ms	yii\db\Command::query	SHOW FULL COLUMNS FROM `question`
14:48:21.409	0.9 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'
14:48:21.419	0.8 ms	yii\db\Command::query	SHOW FULL COLUMNS FROM `paper_question`
14:48:21.418	0.7 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='multiselect') AND (`paper_id`='18') ORDER BY `sort`
14:48:21.421	0.7 ms	yii\db\Command::query	SELECT SUM(score) FROM `paper_question` WHERE (`question_type`='multiselect') AND (`paper_id`='18')
14:48:21.425	0.6 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'
14:48:21.420	0.6 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'
14:48:21.428	0.6 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='78'
14:48:21.429	0.5 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='fill') AND (`paper_id`='18') ORDER BY `sort`
14:48:21.426	0.5 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='81'
14:48:21.427	0.5 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='80'
14:48:21.426	0.5 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='82'
14:48:21.427	0.5 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='79'
14:48:21.430	0.5 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='judge') AND (`paper_id`='18') ORDER BY `sort`
14:48:21.430	0.5 ms	yii\db\Command::query	SELECT * FROM `paper_question` WHERE (`question_type`='text') AND (`paper_id`='18') ORDER BY `sort`
14:48:21.429	0.4 ms	yii\db\Command::query	SELECT * FROM `question` WHERE `id`='77'