mirror of
https://github.com/MariaDB/server.git
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176 lines
5.4 KiB
Text
176 lines
5.4 KiB
Text
####################################
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# SETUP
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####################################
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CREATE DATABASE statements_digest;
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USE statements_digest;
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CREATE TABLE t1(a int);
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CREATE TABLE t2(a int);
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CREATE TABLE t3(a int, b int);
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CREATE TABLE t4(a int, b int);
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CREATE TABLE t5(a int, b int, c int);
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CREATE TABLE t6(a int, b int, c int, d int);
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CREATE TABLE t11 (c CHAR(4));
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CREATE TABLE t12 (c CHAR(4));
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SELECT * FROM performance_schema.setup_consumers;
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NAME ENABLED
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events_stages_current YES
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events_stages_history YES
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events_stages_history_long YES
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events_statements_current NO
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events_statements_history YES
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events_statements_history_long YES
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events_waits_current YES
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events_waits_history YES
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events_waits_history_long YES
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global_instrumentation YES
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thread_instrumentation YES
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statements_digest YES
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TRUNCATE TABLE performance_schema.events_statements_summary_by_digest;
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####################################
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# EXECUTION
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####################################
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SELECT 1 FROM t1;
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1
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SELECT 1 FROM `t1`;
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1
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SELECT 1,2 FROM t1;
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1 2
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SELECT 1, 2, 3, 4 FROM t1;
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1 2 3 4
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SELECT 1 FROM t2;
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1
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SELECT 1,2 FROM t2;
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1 2
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SELECT 1, 2, 3, 4 FROM t2;
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1 2 3 4
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INSERT INTO t1 VALUES (1);
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INSERT INTO t2 VALUES (1);
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INSERT INTO t3 VALUES (1, 2);
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INSERT INTO t4 VALUES (1, 2);
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INSERT INTO t5 VALUES (1, 2, 3);
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INSERT INTO t1 VALUES (1), (2), (3);
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INSERT INTO t1 VALUES (1), (2), (3), (4);
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INSERT INTO t3 VALUES (1, 2), (3, 4), (5, 6);
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INSERT INTO t5 VALUES (1, 2, 3), (4, 5, 6), (7, 8, 9);
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t3 VALUES (NULL,NULL);
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INSERT INTO t3 VALUES (1,NULL);
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INSERT INTO t3 VALUES (NULL,1);
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INSERT INTO t6 VALUES (NULL, NULL, NULL, NULL);
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INSERT INTO t6 VALUES (1, NULL, NULL, NULL);
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INSERT INTO t6 VALUES (NULL, 2, NULL, NULL);
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INSERT INTO t6 VALUES (1, 2, 3, NULL);
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INSERT INTO t6 VALUES (1, 2, NULL, 4);
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SELECT 1 + 1;
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1 + 1
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2
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SELECT 1;
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1
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1
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SELECT 1 /* This is an inline comment */ + 1;
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1 /* This is an inline comment */ + 1
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2
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SELECT 1+
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/*
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this is a
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multiple-line comment
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*/
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1;
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1+
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/*
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this is a
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multiple-line comment
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*/
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1
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2
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CREATE SCHEMA statements_digest_temp;
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DROP SCHEMA statements_digest_temp;
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CREATE DATABASE statements_digest_temp;
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DROP DATABASE statements_digest_temp;
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SELECT 1 FROM no_such_table;
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ERROR 42S02: Table 'statements_digest.no_such_table' doesn't exist
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CREATE TABLE dup_table (c char(4));
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CREATE TABLE dup_table (c char(4));
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ERROR 42S01: Table 'dup_table' already exists
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DROP TABLE dup_table;
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INSERT INTO t11 VALUES("MySQL");
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Warnings:
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Warning 1265 Data truncated for column 'c' at row 1
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PREPARE stmt FROM "SELECT * FROM t12";
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EXECUTE stmt;
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c
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EXECUTE stmt;
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c
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DEALLOCATE PREPARE stmt;
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CREATE PROCEDURE p1() BEGIN SELECT * FROM t12; END//
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CALL p1();
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c
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CALL p1();
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c
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DROP PROCEDURE p1;
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CREATE FUNCTION `func`(a INT, b INT) RETURNS int(11) RETURN a+b //
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select func(3,4);
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func(3,4)
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7
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select func(13,42);
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func(13,42)
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55
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DROP FUNCTION func;
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CREATE TRIGGER trg BEFORE INSERT ON t12 FOR EACH ROW SET @a:=1;
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INSERT INTO t12 VALUES ("abc");
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INSERT INTO t12 VALUES ("def");
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DROP TRIGGER trg;
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####################################
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# QUERYING PS STATEMENT DIGEST
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####################################
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SELECT schema_name,digest_text, count_star FROM performance_schema.events_statements_summary_by_digest;
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schema_name digest_text count_star
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statements_digest TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 1
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statements_digest SELECT ? FROM `t1` 2
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statements_digest SELECT ?, ... FROM `t1` 2
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statements_digest SELECT ? FROM `t2` 1
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statements_digest SELECT ?, ... FROM `t2` 2
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statements_digest INSERT INTO `t1` VALUES (?) 2
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statements_digest INSERT INTO `t2` VALUES (?) 1
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statements_digest INSERT INTO `t3` VALUES (...) 4
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statements_digest INSERT INTO `t4` VALUES (...) 1
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statements_digest INSERT INTO `t5` VALUES (...) 1
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statements_digest INSERT INTO `t1` VALUES (?) /* , ... */ 2
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statements_digest INSERT INTO `t3` VALUES (...) /* , ... */ 1
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statements_digest INSERT INTO `t5` VALUES (...) /* , ... */ 1
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statements_digest INSERT INTO `t6` VALUES (...) 5
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statements_digest SELECT ? + ? 3
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statements_digest SELECT ? 1
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statements_digest CREATE SCHEMA `statements_digest_temp` 2
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statements_digest DROP SCHEMA `statements_digest_temp` 2
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statements_digest SELECT ? FROM `no_such_table` 1
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statements_digest CREATE TABLE `dup_table` ( `c` CHARACTER (?) ) 2
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statements_digest DROP TABLE `dup_table` 1
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statements_digest INSERT INTO `t11` VALUES (?) 1
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statements_digest SHOW WARNINGS 1
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statements_digest PREPARE `stmt` FROM ? 1
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statements_digest EXECUTE `stmt` 2
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statements_digest DEALLOCATE PREPARE `stmt` 1
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statements_digest CREATE PROCEDURE `p1` ( ) BEGIN SELECT * FROM `t12` ; END 1
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statements_digest CALL `p1` ( ) 2
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statements_digest DROP PROCEDURE `p1` 1
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statements_digest CREATE FUNCTION `func` ( `a` INTEGER , `b` INTEGER ) RETURNS INTEGER (?) RETURN `a` + `b` 1
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statements_digest SELECT `func` (...) 2
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statements_digest DROP FUNCTION `func` 1
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statements_digest CREATE TRIGGER `trg` BEFORE INSERT ON `t12` FOR EACH ROW SET @? := ? 1
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statements_digest INSERT INTO `t12` VALUES (?) 2
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statements_digest DROP TRIGGER `trg` 1
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SELECT digest_text FROM performance_schema.events_statements_current;
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digest_text
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####################################
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# CLEANUP
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####################################
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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DROP TABLE IF EXISTS t4;
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DROP TABLE IF EXISTS t5;
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DROP TABLE IF EXISTS t6;
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DROP TABLE IF EXISTS t11;
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DROP TABLE IF EXISTS t12;
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DROP DATABASE IF EXISTS statements_digest;
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