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|
#
# Test behavior of MAX_STATEMENT_TIME.
# We can't do this under valgrind as valgrind interferes with thread scheduling
#
--source include/not_embedded.inc
--source include/have_innodb.inc
--source include/have_sequence.inc
--source include/not_valgrind.inc
--echo
--echo # Test the MAX_STATEMENT_TIME option.
--echo
SET @@MAX_STATEMENT_TIME=2;
select @@max_statement_time;
SELECT SLEEP(1);
SELECT SLEEP(3);
SET @@MAX_STATEMENT_TIME=0;
SELECT SLEEP(1);
SHOW STATUS LIKE "max_statement_time_exceeded";
CREATE TABLE t1 (a INT, b VARCHAR(300)) engine=myisam;
INSERT INTO t1 VALUES (1, 'string');
--disable_result_log
--disable_query_log
SET @@MAX_STATEMENT_TIME=2;
SET @@MAX_STATEMENT_TIME=0.1;
WHILE (! $mysql_errno)
{
SET @@MAX_STATEMENT_TIME=0;
INSERT INTO t1 SELECT * FROM t1;
SET @@MAX_STATEMENT_TIME=0.1;
--error 0,ER_STATEMENT_TIMEOUT
SELECT COUNT(*) FROM t1 WHERE b LIKE '%z%';
}
SET @@MAX_STATEMENT_TIME=0;
--enable_query_log
--enable_result_log
eval SELECT $mysql_errno;
--echo
--echo # Test the MAX_STATEMENT_TIME option with SF (should have no effect).
--echo
DELIMITER |;
CREATE PROCEDURE p1()
BEGIN
declare tmp int;
SET @@MAX_STATEMENT_TIME=0.0001;
SELECT COUNT(*) INTO tmp FROM t1 WHERE b LIKE '%z%';
SET @@MAX_STATEMENT_TIME=0;
END|
CREATE PROCEDURE p2()
BEGIN
SET @@MAX_STATEMENT_TIME=5;
END|
DELIMITER ;|
SELECT @@MAX_STATEMENT_TIME;
CALL p1();
CALL p2();
SELECT @@MAX_STATEMENT_TIME;
SET @@MAX_STATEMENT_TIME=0;
DROP PROCEDURE p1;
DROP PROCEDURE p2;
DROP TABLE t1;
--echo
--echo # MAX_STATEMENT_TIME account resource
--echo
set statement sql_mode="" for
GRANT USAGE ON *.* TO user1@localhost WITH MAX_STATEMENT_TIME 1.005;
--echo # con1
connect(con1,localhost,user1,,test,,);
SELECT @@max_statement_time;
disconnect con1;
--echo # restart and reconnect
connection default;
source include/restart_mysqld.inc;
set @global.userstat=1;
connect(con1,localhost,user1,,test,,);
SELECT @@global.max_statement_time,@@session.max_statement_time;
select sleep(100);
SHOW STATUS LIKE "max_statement_time_exceeded";
disconnect con1;
connection default;
show grants for user1@localhost;
--disable_parsing
select max_user_timeouts from information_schema.user_statistics where user="user1";
--enable_parsing
set @global.userstat=0;
DROP USER user1@localhost;
--echo
--echo # MAX_STATEMENT_TIME status variables.
--echo
flush status;
SET @@max_statement_time=0;
SELECT CONVERT(VARIABLE_VALUE, UNSIGNED) INTO @time_exceeded
FROM INFORMATION_SCHEMA.GLOBAL_STATUS
WHERE VARIABLE_NAME = 'max_statement_time_exceeded';
SET @@max_statement_time=0.5;
SELECT SLEEP(2);
SHOW STATUS LIKE '%timeout%';
SET @@max_statement_time=0;
--echo # Ensure that the counters for:
--echo # - statements that exceeded their maximum execution time
--echo # are incremented.
SELECT 1 AS STATUS FROM INFORMATION_SCHEMA.GLOBAL_STATUS
WHERE VARIABLE_NAME = 'max_statement_time_exceeded'
AND CONVERT(VARIABLE_VALUE, UNSIGNED) > @time_exceeded;
--echo
--echo # Check that the appropriate error status is set.
--echo
CREATE TABLE t1 (a INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
START TRANSACTION;
SELECT * FROM t1 FOR UPDATE;
connect (con1,localhost,root,,test,,);
SET @@SESSION.max_statement_time = 0.5;
--error ER_STATEMENT_TIMEOUT
UPDATE t1 SET a = 2;
SHOW WARNINGS;
disconnect con1;
connection default;
ROLLBACK;
DROP TABLE t1;
--echo
--echo # Test interaction with lock waits.
--echo
CREATE TABLE t1 (a INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
connect (con1,localhost,root,,test,,);
SET @@SESSION.max_statement_time= 0.5;
connection default;
LOCK TABLES t1 WRITE;
connection con1;
SELECT @@SESSION.max_statement_time;
--error ER_STATEMENT_TIMEOUT
LOCK TABLES t1 READ;
connection default;
UNLOCK TABLES;
BEGIN;
SELECT * FROM t1;
connection con1;
--error ER_STATEMENT_TIMEOUT
ALTER TABLE t1 ADD COLUMN b INT;
connection default;
ROLLBACK;
SELECT GET_LOCK('lock', 1);
connection con1;
SELECT GET_LOCK('lock', 1);
disconnect con1;
connection default;
SELECT RELEASE_LOCK('lock');
DROP TABLE t1;
--echo #
--echo # MDEV-7011:MAX_STATEMENT_TIME has no effect in a procedure after
--echo # a previous successful statement
--echo #
create table t1 (i int);
insert into t1 values (1),(2),(3),(4);
insert into t1 select a.* from t1 a, t1 b, t1 c, t1 d, t1 e, t1 f, t1 g;
delimiter |;
create procedure pr()
begin
select 1;
select sql_no_cache * from t1 where i > 5;
select sql_no_cache * from t1 where i > 5;
select sleep(2);
end |
delimiter ;|
set max_statement_time = 0.001;
--error ER_STATEMENT_TIMEOUT
call pr();
set max_statement_time = 0;
drop procedure pr;
delimiter |;
create procedure pr()
begin
select sql_no_cache * from t1 where i > 5;
select sql_no_cache * from t1 where i > 5;
select sleep(2);
end |
delimiter ;|
set max_statement_time = 0.001;
--error ER_STATEMENT_TIMEOUT
call pr();
set max_statement_time = 0;
drop procedure pr;
drop table t1;
#
# MDEV-16615 ASAN SEGV in handler::print_error or server crash after error upon CREATE TABLE
#
SET max_statement_time= 1;
--error ER_STATEMENT_TIMEOUT
CREATE TABLE t ENGINE=InnoDB SELECT * FROM seq_1_to_50000;
|
