call mtr.add_suppression("options .* --log_slow_queries is not set"); SET @old_general_log= @@global.general_log; SET @old_general_log_file= @@global.general_log_file; SET @old_slow_query_log= @@global.slow_query_log; SET @old_slow_query_log_file= @@global.slow_query_log_file; set @save_long_query_time=@@long_query_time; set global general_log= OFF;
truncate table mysql.general_log;
truncate table mysql.slow_log;
show global variables
where Variable_name = 'general_log'or Variable_name = 'slow_query_log';
Variable_name Value
general_log OFF
slow_query_log OFF
flush logs; set global general_log= ON;
create table t1(f1 int);
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
TIMESTAMP USER_HOST # 1 Query create table t1(f1 int)
TIMESTAMP USER_HOST # 1 Query select * from mysql.general_log set global general_log= OFF;
drop table t1;
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
TIMESTAMP USER_HOST # 1 Query create table t1(f1 int)
TIMESTAMP USER_HOST # 1 Query select * from mysql.general_log
TIMESTAMP USER_HOST # 1 Query set global general_log= OFF set global general_log= ON;
flush logs;
show global variables
where Variable_name = 'general_log'or Variable_name = 'slow_query_log';
Variable_name Value
general_log ON
slow_query_log OFF
connect con1,localhost,root,,;
connection con1; set @long_query_time = <long_query_time>; set session long_query_time = @long_query_time;
select sleep(@long_query_time + 1);
sleep(@long_query_time + 1) 0
select * from mysql.slow_log where sql_text NOT LIKE '%slow_log%';
start_time user_host query_time lock_time rows_sent rows_examined db last_insert_id insert_id server_id sql_text thread_id rows_affected
connection default; set global slow_query_log= ON; set local slow_query_log= ON;
connection con1; set session long_query_time = @long_query_time;
select sleep(@long_query_time + 1);
sleep(@long_query_time + 1) 0
select * from mysql.slow_log where sql_text NOT LIKE '%slow_log%';
start_time user_host query_time lock_time rows_sent rows_examined db last_insert_id insert_id server_id sql_text thread_id rows_affected set local slow_query_log= ON;
select sleep(@long_query_time + 2);
sleep(@long_query_time + 2) 0
select * from mysql.slow_log where sql_text NOT LIKE '%slow_log%';
start_time user_host query_time lock_time rows_sent rows_examined db last_insert_id insert_id server_id sql_text thread_id rows_affected
TIMESTAMP USER_HOST QUERY_TIME 00:00:00.00000010 test 001 select sleep(@long_query_time + 2) THREAD_ID 0
connection default;
show global variables
where Variable_name = 'general_log'or Variable_name = 'slow_query_log';
Variable_name Value
general_log ON
slow_query_log ON set global general_log= ON; set global general_log= OFF; set global general_log= OFF; set global slow_query_log= ON; set global slow_query_log= OFF; set global slow_query_log= OFF; set local slow_query_log= ON; set global general_log= ON;
truncate table mysql.general_log;
create table t1(f1 int);
drop table t1;
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
TIMESTAMP USER_HOST # 1 Query create table t1(f1 int)
TIMESTAMP USER_HOST # 1 Query drop table t1
TIMESTAMP USER_HOST # 1 Query select * from mysql.general_log set global general_log= OFF;
truncate table mysql.general_log;
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument set global general_log= ON;
show global variables
where Variable_name = 'general_log'or Variable_name = 'slow_query_log';
Variable_name Value
general_log ON
slow_query_log OFF
show variables like 'general_log_file';
Variable_name Value
general_log_file #
show variables like 'slow_query_log_file';
Variable_name Value
slow_query_log_file #
show variables like 'log_output';
Variable_name Value
log_output FILE,TABLE set global general_log_file='/not existing path/log.master'; ERROR42000: Variable 'general_log_file' can't be set to the value of '/not existing path/log.master' set global general_log_file='MYSQLTEST_VARDIR'; ERROR42000: Variable 'general_log_file' can't be set to the value of 'MYSQLTEST_VARDIR' set global general_log_file=''; ERROR42000: Variable 'general_log_file' can't be set to the value of ''
show variables like 'general_log_file';
Variable_name Value
general_log_file # set global general_log= OFF; set global general_log_file='MYSQLTEST_VARDIR/tmp/log.master'; set global general_log= ON;
create table t1(f1 int);
drop table t1; set global general_log= OFF; set global general_log_file=default; set global general_log= ON;
create table t1(f1 int);
drop table t1;
show variables like 'general_log_file';
Variable_name Value
general_log_file #
show variables like 'slow_query_log_file';
Variable_name Value
slow_query_log_file # set global general_log= default; set global slow_query_log= default; set global general_log_file= default; set global slow_query_log_file= default;
show variables like 'general_log';
Variable_name Value
general_log OFF
show variables like 'slow_query_log';
Variable_name Value
slow_query_log ON
show global variables like 'slow_query_log';
Variable_name Value
slow_query_log OFF set global general_log=ON; set global log_output=default;
show variables like 'log_output';
Variable_name Value
log_output FILE set global general_log=OFF; set global log_output=FILE;
truncate table mysql.general_log;
show variables like 'log_output';
Variable_name Value
log_output FILE set global general_log=ON;
create table t1(f1 int);
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument set global general_log=OFF; set global log_output="FILE,TABLE";
show variables like 'log_output';
Variable_name Value
log_output FILE,TABLE set global general_log=ON;
drop table t1;
select * from mysql.general_log;
event_time user_host thread_id server_id command_type argument
TIMESTAMP USER_HOST # 1 Query drop table t1
TIMESTAMP USER_HOST # 1 Query select * from mysql.general_log SET @@global.general_log = @old_general_log; SET @@global.general_log_file = @old_general_log_file; SET @@global.slow_query_log = @old_slow_query_log; SET @@global.slow_query_log_file = @old_slow_query_log_file; SET GLOBAL general_log = ON; SET GLOBAL slow_query_log = ON;
FLUSH TABLES WITH READ LOCK; SET GLOBAL general_log = OFF; SET GLOBAL slow_query_log = OFF;
UNLOCK TABLES;
FLUSH TABLES WITH READ LOCK; SET GLOBAL general_log = ON; SET GLOBAL slow_query_log = ON;
UNLOCK TABLES; SET GLOBAL READ_ONLY = ON; SET GLOBAL general_log = OFF; SET GLOBAL slow_query_log = OFF; SET GLOBAL READ_ONLY = OFF; SET GLOBAL READ_ONLY = ON; SET GLOBAL general_log = ON; SET GLOBAL slow_query_log = ON; SET GLOBAL READ_ONLY = OFF; SET GLOBAL general_log = @old_general_log; SET GLOBAL slow_query_log = @old_slow_query_log; SET GLOBAL general_log_file= CONCAT('/not existing path/log.maste', 'r'); ERROR42000: Variable 'general_log_file' can't be set to the value of '/not existing path/log.master' SET GLOBAL general_log_file= NULL; ERROR42000: Variable 'general_log_file' can't be set to the value of 'NULL' SET GLOBAL slow_query_log_file= CONCAT('/not existing path/log.maste', 'r'); ERROR42000: Variable 'slow_query_log_file' can't be set to the value of '/not existing path/log.master' SET GLOBAL slow_query_log_file= NULL; ERROR42000: Variable 'slow_query_log_file' can't be set to the value of 'NULL' SET GLOBAL general_log_file= @old_general_log_file; SET GLOBAL slow_query_log_file= @old_slow_query_log_file;
# --
# -- Bug#32748: Inconsistent handling of assignments to
# -- general_log_file/slow_query_log_file.
# --
SET GLOBAL general_log_file = 'bug32748.query.log'; SET GLOBAL slow_query_log_file = 'bug32748.slow.log';
SHOW VARIABLES LIKE '%log_file';
Variable_name Value
general_log_file bug32748.query.log
slow_query_log_file bug32748.slow.log
SET GLOBAL general_log_file = @old_general_log_file; SET GLOBAL slow_query_log_file = @old_slow_query_log_file;
# -- End of Bug#32748.
#
# Bug #49756 Rows_examined is always 0 in the slow query log
# for update statements
# SET @old_log_output = @@global.log_output; SET GLOBAL log_output = "TABLE"; SET GLOBAL slow_query_log = ON; SET GLOBAL long_query_time = 0.001;
TRUNCATE TABLE mysql.slow_log;
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (b INT, PRIMARY KEY (b));
INSERT INTO t2 VALUES (3),(4);
connect con2,localhost,root,,;
INSERT INTO t1 VALUES (1+sleep(.02)),(2);
INSERT INTO t1 SELECT b+sleep(.02) from t2;
UPDATE t1 SET a=a+sleep(.02) WHERE a>2;
UPDATE t1 SET a=a+sleep(.02) ORDER BY a DESC;
UPDATE t2 set b=b+sleep(.02) limit 1;
UPDATE t1 SET a=a+sleep(.02) WHERE a in (SELECT b from t2);
DELETE FROM t1 WHERE a=a+sleep(.02) ORDER BY a LIMIT 2;
SELECT rows_examined,sql_text FROM mysql.slow_log;
rows_examined sql_text 0 INSERT INTO t1 VALUES (1+sleep(.02)),(2) 2 INSERT INTO t1 SELECT b+sleep(.02) from t2 4 UPDATE t1 SET a=a+sleep(.02) WHERE a>2 8 UPDATE t1 SET a=a+sleep(.02) ORDER BY a DESC 1 UPDATE t2 set b=b+sleep(.02) limit 1 6 UPDATE t1 SET a=a+sleep(.02) WHERE a in (SELECT b from t2) 6 DELETE FROM t1 WHERE a=a+sleep(.02) ORDER BY a LIMIT 2
disconnect con2;
connection default;
DROP TABLE t1,t2;
TRUNCATE TABLE mysql.slow_log;
# end of bug#49756
End of 5.1 tests
# --
# -- Bug#38124: "general_log_file" variable silently unset when
# -- using expression
# -- SET GLOBAL general_log_file = DEFAULT;
SELECT @@general_log_file INTO @my_glf; SET GLOBAL general_log_file = 'BUG38124.LOG';
SELECT @@general_log_file;
@@general_log_file
BUG38124.LOG SET GLOBAL general_log_file = concat('BUG38124-2.LOG');
SELECT @@general_log_file;
@@general_log_file
BUG38124-2.LOG SET GLOBAL general_log_file = substr('BUG38124-2.LOG',3,6);
SELECT @@general_log_file;
@@general_log_file
G38124 SET GLOBAL general_log_file = DEFAULT;
SELECT @@general_log_file = @my_glf;
@@general_log_file = @my_glf 1 SET GLOBAL general_log_file = @old_general_log_file;
#
# MDEV-35720 Add query_time to statistics
#
connect con2,localhost,root,,; set @s1=(select variable_value from information_schema.session_status where
variable_name='query_time');
select sleep(3) into @a; set @s2=(select variable_value from information_schema.session_status where
variable_name='query_time'); set @s3=(select variable_value from information_schema.global_status where
variable_name='query_time');
select @s1 >= 0.00and @s1 <= 2.00 as "should be true";
should be true 1
select @s2 >= 2.00and @s2 < 10.00 as "should be true";
should be true 1
select @s3 >= 3.00 as "should be true";
should be true 1
disconnect con2;
connection default;
create procedure p1()
begin
select sleep(1) into @a;
select sleep(2) into @a;
end|
connect con2,localhost,root,,;
call p1(); set @s1=(select variable_value from information_schema.session_status where
variable_name='query_time');
select @s1 > 2.00and @s1 < 10.00 as "should be true";
should be true 1
disconnect con2;
disconnect con1;
connection default;
drop procedure p1;
#
# MDEV-35353 Rows_examined is always 0 in the slow query log
# for union all queries
# SET GLOBAL log_output = "TABLE"; SET GLOBAL slow_query_log = ON; SET GLOBAL long_query_time = 0.0;
TRUNCATE TABLE mysql.slow_log;
create table t1(a int, b int);
insert into t1 select seq, seq from seq_1_to_20;
connect con2,localhost,root,,;
select sum(a) from t1
union all
select sum(b) from t1;
sum(a) 210 210
SELECT rows_examined,sql_text FROM mysql.slow_log where sql_text LIKE '%union all%';
rows_examined sql_text 40 select sum(a) from t1
union all
select sum(b) from t1
TRUNCATE TABLE mysql.slow_log;
select sum(a) from t1
union
select sum(b) from t1;
sum(a) 210
SELECT rows_examined,sql_text FROM mysql.slow_log where sql_text LIKE '%union%';
rows_examined sql_text 41 select sum(a) from t1
union
select sum(b) from t1
TRUNCATE TABLE mysql.slow_log;
select sum(a) from t1
except all
select sum(b) from t1;
sum(a)
SELECT rows_examined,sql_text FROM mysql.slow_log where sql_text LIKE '%except all%';
rows_examined sql_text 40 select sum(a) from t1
except all
select sum(b) from t1
TRUNCATE TABLE mysql.slow_log;
select sum(a) from t1
except
select sum(b) from t1;
sum(a)
SELECT rows_examined,sql_text FROM mysql.slow_log where sql_text LIKE '%except%';
rows_examined sql_text 40 select sum(a) from t1
except
select sum(b) from t1
TRUNCATE TABLE mysql.slow_log;
select sum(a) from t1
intersect all
select sum(b) from t1;
sum(a) 210
SELECT rows_examined,sql_text FROM mysql.slow_log where sql_text LIKE '%intersect all%';
rows_examined sql_text 41 select sum(a) from t1
intersect all
select sum(b) from t1
TRUNCATE TABLE mysql.slow_log;
select sum(a) from t1
intersect
select sum(b) from t1;
sum(a) 210
SELECT rows_examined,sql_text FROM mysql.slow_log where sql_text LIKE '%intersect%';
rows_examined sql_text 41 select sum(a) from t1
intersect
select sum(b) from t1
disconnect con2;
connection default;
DROP TABLE t1;
TRUNCATE TABLE mysql.slow_log;
#
# MDEV-37195 Rows_examined is always 0 in the slow query log
# for queries with a subquery and degenerate select
# SET GLOBAL log_output = "TABLE"; SET GLOBAL slow_query_log = ON; SET GLOBAL long_query_time = 0.0;
TRUNCATE TABLE mysql.slow_log;
CREATE TABLE t1 (id INT);
INSERT INTO t1(id) SELECT seq FROM seq_1_to_10;
connect con2,localhost,root,,;
SELECT 100 in (SELECT id FROM t1) AS res;
res 0
SELECT rows_examined,sql_text FROM mysql.slow_log WHERE sql_text LIKE '%SELECT 100%';
rows_examined sql_text 10 SELECT 100 in (SELECT id FROM t1) AS res
TRUNCATE TABLE mysql.slow_log;
SELECT 100 in (
SELECT id FROM t1
UNION
SELECT id FROM t1
) AS res;
res 0
SELECT rows_examined,sql_text FROM mysql.slow_log WHERE sql_text LIKE '%SELECT 100%';
rows_examined sql_text 20 SELECT 100 in (
SELECT id FROM t1
UNION
SELECT id FROM t1
) AS res
TRUNCATE TABLE mysql.slow_log;
SELECT 100 in (
SELECT id FROM t1
UNION ALL
SELECT id FROM t1
) AS res;
res 0
SELECT rows_examined,sql_text FROM mysql.slow_log WHERE sql_text LIKE '%SELECT 100%';
rows_examined sql_text 20 SELECT 100 in (
SELECT id FROM t1
UNION ALL
SELECT id FROM t1
) AS res
disconnect con2;
connection default;
DROP TABLE t1;
TRUNCATE TABLE mysql.slow_log;
End of 10.11 tests SET GLOBAL long_query_time = @save_long_query_time; SET GLOBAL log_output = @old_log_output; SET global general_log = @old_general_log; SET global general_log_file = @old_general_log_file; SET global slow_query_log = @old_slow_query_log; SET global slow_query_log_file = @old_slow_query_log_file;
Messung V0.5 in Prozent
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(vorverarbeitet am 2026-10-08)
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