mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 03:52:35 +01:00
314 lines
9.7 KiB
Text
314 lines
9.7 KiB
Text
SET @org_slow_query_log= @@global.slow_query_log;
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SET @org_log_output= @@global.log_output;
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SET @org_log_slow_admin_statements= @@global.log_slow_admin_statements;
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SET @@GLOBAL.slow_query_log=OFF;
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SET @@GLOBAL.log_output='TABLE';
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FLUSH SLOW LOGS;
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SET @@GLOBAL.slow_query_log=ON;
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SET @@GLOBAL.log_slow_admin_statements=ON;
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SET @saved_dbug = @@debug_dbug;
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SET SESSION debug_dbug="+d,simulate_slow_query";
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CREATE PROCEDURE show_slow_log()
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BEGIN
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SELECT CONCAT('[slow] ', sql_text) AS sql_text
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FROM mysql.slow_log
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WHERE sql_text NOT LIKE '%debug_dbug%';
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END
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$$
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#
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# Expect all admin statements in the slow log (ON,DEFAULT)
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#
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SET @@SESSION.log_slow_admin_statements=ON;
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SET log_slow_filter=DEFAULT;
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TRUNCATE TABLE mysql.slow_log;
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CREATE TABLE t1 (a INT);
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CREATE INDEX t1a ON t1 (a);
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DROP INDEX t1a ON t1;
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DROP TABLE t1;
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CREATE TABLE t2 (a INT);
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ALTER TABLE t2 RENAME t2;
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RENAME TABLE t2 TO t3;
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DROP TABLE t3;
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CREATE TABLE t4 (a INT);
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PREPARE stmt FROM 'ALTER TABLE t4 MODIFY a INT DEFAULT 1';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP TABLE t4;
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CREATE SEQUENCE s4;
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ALTER SEQUENCE s4 MAXVALUE 100;
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PREPARE stmt FROM 'ALTER SEQUENCE s4 MAXVALUE=101';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP SEQUENCE s4;
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CALL show_slow_log();
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sql_text
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[slow] TRUNCATE TABLE mysql.slow_log
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[slow] CREATE TABLE t1 (a INT)
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[slow] CREATE INDEX t1a ON t1 (a)
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[slow] DROP INDEX t1a ON t1
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[slow] DROP TABLE t1
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[slow] CREATE TABLE t2 (a INT)
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[slow] ALTER TABLE t2 RENAME t2
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[slow] RENAME TABLE t2 TO t3
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[slow] DROP TABLE t3
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[slow] CREATE TABLE t4 (a INT)
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[slow] PREPARE stmt FROM 'ALTER TABLE t4 MODIFY a INT DEFAULT 1'
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[slow] ALTER TABLE t4 MODIFY a INT DEFAULT 1
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[slow] DEALLOCATE PREPARE stmt
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[slow] DROP TABLE t4
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[slow] CREATE SEQUENCE s4
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[slow] ALTER SEQUENCE s4 MAXVALUE 100
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[slow] PREPARE stmt FROM 'ALTER SEQUENCE s4 MAXVALUE=101'
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[slow] ALTER SEQUENCE s4 MAXVALUE=101
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[slow] DEALLOCATE PREPARE stmt
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[slow] DROP SEQUENCE s4
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#
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# Expect all admin statements in the slow log (ON,admin)
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#
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SET @@SESSION.log_slow_admin_statements=ON;
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SET log_slow_filter=admin;
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TRUNCATE TABLE mysql.slow_log;
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CREATE TABLE t1 (a INT);
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CREATE INDEX t1a ON t1 (a);
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DROP INDEX t1a ON t1;
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DROP TABLE t1;
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CREATE TABLE t2 (a INT);
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ALTER TABLE t2 RENAME t2;
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RENAME TABLE t2 TO t3;
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DROP TABLE t3;
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CREATE TABLE t4 (a INT);
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PREPARE stmt FROM 'ALTER TABLE t4 MODIFY a INT DEFAULT 1';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP TABLE t4;
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CREATE SEQUENCE s4;
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ALTER SEQUENCE s4 MAXVALUE 100;
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PREPARE stmt FROM 'ALTER SEQUENCE s4 MAXVALUE=101';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP SEQUENCE s4;
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CALL show_slow_log();
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sql_text
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[slow] CREATE INDEX t1a ON t1 (a)
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[slow] DROP INDEX t1a ON t1
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[slow] ALTER TABLE t2 RENAME t2
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[slow] RENAME TABLE t2 TO t3
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[slow] ALTER TABLE t4 MODIFY a INT DEFAULT 1
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[slow] ALTER SEQUENCE s4 MAXVALUE 100
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[slow] ALTER SEQUENCE s4 MAXVALUE=101
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#
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# Expect none of admin DDL statements in the slow log (ON,filesort)
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#
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SET @@SESSION.log_slow_admin_statements=ON;
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SET log_slow_filter=filesort;
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TRUNCATE TABLE mysql.slow_log;
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CREATE TABLE t1 (a INT);
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CREATE INDEX t1a ON t1 (a);
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DROP INDEX t1a ON t1;
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DROP TABLE t1;
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CREATE TABLE t2 (a INT);
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ALTER TABLE t2 RENAME t2;
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RENAME TABLE t2 TO t3;
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DROP TABLE t3;
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CREATE TABLE t4 (a INT);
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PREPARE stmt FROM 'ALTER TABLE t4 MODIFY a INT DEFAULT 1';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP TABLE t4;
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CREATE SEQUENCE s4;
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ALTER SEQUENCE s4 MAXVALUE 100;
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PREPARE stmt FROM 'ALTER SEQUENCE s4 MAXVALUE=101';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP SEQUENCE s4;
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CALL show_slow_log();
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sql_text
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#
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# Expect none of admin statements in the slow log (OFF,DEFAULT)
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#
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SET @@SESSION.log_slow_admin_statements=OFF;
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SET log_slow_filter=DEFAULT;
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TRUNCATE TABLE mysql.slow_log;
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CREATE TABLE t1 (a INT);
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CREATE INDEX t1a ON t1 (a);
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DROP INDEX t1a ON t1;
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DROP TABLE t1;
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CREATE TABLE t2 (a INT);
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ALTER TABLE t2 RENAME t2;
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RENAME TABLE t2 TO t3;
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DROP TABLE t3;
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CREATE TABLE t4 (a INT);
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PREPARE stmt FROM 'ALTER TABLE t4 MODIFY a INT DEFAULT 1';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP TABLE t4;
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CREATE SEQUENCE s4;
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ALTER SEQUENCE s4 MAXVALUE 100;
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PREPARE stmt FROM 'ALTER SEQUENCE s4 MAXVALUE=101';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP SEQUENCE s4;
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CALL show_slow_log();
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sql_text
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[slow] TRUNCATE TABLE mysql.slow_log
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[slow] CREATE TABLE t1 (a INT)
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[slow] DROP TABLE t1
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[slow] CREATE TABLE t2 (a INT)
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[slow] DROP TABLE t3
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[slow] CREATE TABLE t4 (a INT)
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[slow] PREPARE stmt FROM 'ALTER TABLE t4 MODIFY a INT DEFAULT 1'
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[slow] DEALLOCATE PREPARE stmt
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[slow] DROP TABLE t4
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[slow] CREATE SEQUENCE s4
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[slow] PREPARE stmt FROM 'ALTER SEQUENCE s4 MAXVALUE=101'
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[slow] DEALLOCATE PREPARE stmt
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[slow] DROP SEQUENCE s4
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#
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# Expect all admin statements in the slow log (GLOBAL OFF,LOCAL ON,DEFAULT)
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# In the original implementation, this combination disabled slow log for admin commands.
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# However, instead of this exception in GLOBAL vs LOCAL variable behaviour,
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# we should make max_system_variables.log_slow_admin_statements=0
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# prevent enabling globally suppressed logging by setting the session variable to ON.
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#
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SET @@GLOBAL.log_slow_admin_statements=OFF;
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SET @@SESSION.log_slow_admin_statements=ON;
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SET log_slow_filter=DEFAULT;
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TRUNCATE TABLE mysql.slow_log;
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CREATE TABLE t1 (a INT);
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CREATE INDEX t1a ON t1 (a);
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DROP INDEX t1a ON t1;
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DROP TABLE t1;
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CREATE TABLE t2 (a INT);
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ALTER TABLE t2 RENAME t2;
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RENAME TABLE t2 TO t3;
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DROP TABLE t3;
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CREATE TABLE t4 (a INT);
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PREPARE stmt FROM 'ALTER TABLE t4 MODIFY a INT DEFAULT 1';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP TABLE t4;
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CREATE SEQUENCE s4;
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ALTER SEQUENCE s4 MAXVALUE 100;
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PREPARE stmt FROM 'ALTER SEQUENCE s4 MAXVALUE=101';
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP SEQUENCE s4;
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CALL show_slow_log();
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sql_text
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[slow] TRUNCATE TABLE mysql.slow_log
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[slow] CREATE TABLE t1 (a INT)
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[slow] CREATE INDEX t1a ON t1 (a)
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[slow] DROP INDEX t1a ON t1
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[slow] DROP TABLE t1
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[slow] CREATE TABLE t2 (a INT)
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[slow] ALTER TABLE t2 RENAME t2
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[slow] RENAME TABLE t2 TO t3
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[slow] DROP TABLE t3
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[slow] CREATE TABLE t4 (a INT)
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[slow] PREPARE stmt FROM 'ALTER TABLE t4 MODIFY a INT DEFAULT 1'
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[slow] ALTER TABLE t4 MODIFY a INT DEFAULT 1
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[slow] DEALLOCATE PREPARE stmt
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[slow] DROP TABLE t4
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[slow] CREATE SEQUENCE s4
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[slow] ALTER SEQUENCE s4 MAXVALUE 100
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[slow] PREPARE stmt FROM 'ALTER SEQUENCE s4 MAXVALUE=101'
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[slow] ALTER SEQUENCE s4 MAXVALUE=101
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[slow] DEALLOCATE PREPARE stmt
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[slow] DROP SEQUENCE s4
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#
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# Start of 10.6 tests
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#
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#
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# MDEV-32203 Raise notes when an index cannot be used on data type
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# mismatch
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#
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CREATE TABLE t1 (a VARCHAR(10), KEY(a));
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insert into t1 select seq from seq_0_to_31;
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SET note_verbosity=all;
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SET log_slow_verbosity=all;
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SET global log_output='FILE';
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set @org_slow_query_log_file=@@global.slow_query_log_file;
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set global slow_query_log_file='MYSQLTEST_VARDIR/tmp/log_slow_debug-1.log';
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FLUSH SLOW LOGS;
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SELECT * FROM t1 WHERE a=10;
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a
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10
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Warnings:
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Note 1105 Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` = "10" of type `int`
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EXPLAIN SELECT * FROM t1 WHERE a=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index a a 13 NULL 32 Using where; Using index
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Warnings:
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Note 1105 Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` = "10" of type `int`
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FOUND 2 /# Warnings/ in log_slow_debug-1.log
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FOUND 1 /# Note.*Cannot use key.*varchar.*10.*int/ in log_slow_debug-1.log
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set global slow_query_log_file='MYSQLTEST_VARDIR/tmp/log_slow_debug-2.log';
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SET note_verbosity="explain";
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FLUSH SLOW LOGS;
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EXPLAIN SELECT * FROM t1 WHERE a=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index a a 13 NULL 32 Using where; Using index
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Warnings:
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Note 1105 Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` = "10" of type `int`
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FOUND 1 /# Warnings/ in log_slow_debug-2.log
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FOUND 1 /# Note.*Cannot use key.*varchar.*10.*int/ in log_slow_debug-2.log
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set global slow_query_log_file='MYSQLTEST_VARDIR/tmp/log_slow_debug-3.log';
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SET log_slow_verbosity=replace(@@log_slow_verbosity, "warnings", "");
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SET log_slow_verbosity=replace(@@log_slow_verbosity, "full", "");
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SET note_verbosity=all;
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FLUSH SLOW LOGS;
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SELECT * FROM t1 WHERE a=10;
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a
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10
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Warnings:
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Note 1105 Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` = "10" of type `int`
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EXPLAIN SELECT * FROM t1 WHERE a=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index a a 13 NULL 32 Using where; Using index
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Warnings:
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Note 1105 Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` = "10" of type `int`
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NOT FOUND /# Warnings/ in log_slow_debug-3.log
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NOT FOUND /# Note.*Cannot use key.*varchar.*10.*int/ in log_slow_debug-3.log
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set @@global.slow_query_log_file= @org_slow_query_log_file;
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DROP TABLE t1;
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#
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# MDEV-30820: slow log Rows_examined out of range
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#
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CREATE TABLE `tab_MDEV_30820` (
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`ID` int(11) NOT NULL AUTO_INCREMENT,
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`A` int(11),
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PRIMARY KEY(ID)
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);
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insert into tab_MDEV_30820 values (null, 0),(null, 0);
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SET @old_slow_query_log= @@global.slow_query_log;
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SET @old_log_output= @@global.log_output;
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SET @old_long_query_time= @@long_query_time;
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SET @old_dbug= @@GLOBAL.debug_dbug;
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SET GLOBAL log_output= "TABLE";
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SET GLOBAL slow_query_log= ON;
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SET SESSION long_query_time= 0;
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SET debug_dbug="+d,debug_huge_number_of_examined_rows";
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SELECT * FROM tab_MDEV_30820 ORDER BY 1;
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ID A
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1 0
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2 0
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SET debug_dbug=@old_dbug;
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SET @@long_query_time= @old_long_query_time;
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SET @@global.log_output= @old_log_output;
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SET @@global.slow_query_log= @old_slow_query_log;
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SELECT rows_examined, sql_text from mysql.slow_log where sql_text like "SELECT%FROM tab_MDEV_30820%";
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rows_examined sql_text
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18446744073708551615 SELECT * FROM tab_MDEV_30820 ORDER BY 1
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drop table tab_MDEV_30820;
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#
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# End of 10.4 test
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#
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#
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# Clean up
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#
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SET SESSION debug_dbug=@saved_dbug;
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TRUNCATE mysql.slow_log;
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SET @@global.slow_query_log= @org_slow_query_log;
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SET @@global.log_output= @org_log_output;
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SET @@global.log_slow_admin_statements= @org_log_slow_admin_statements;
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DROP PROCEDURE show_slow_log;
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