mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 15:50:51 +03:00
c3801d9627
concurrent inserts. mysql-test/t/lock_multi.test: Wait for the concurrent insert to finish.
476 lines
12 KiB
Plaintext
476 lines
12 KiB
Plaintext
-- source include/not_embedded.inc
|
|
--disable_warnings
|
|
drop table if exists t1,t2;
|
|
--enable_warnings
|
|
|
|
# Test to see if select will get the lock ahead of low priority update
|
|
|
|
connect (locker,localhost,root,,);
|
|
connect (reader,localhost,root,,);
|
|
connect (writer,localhost,root,,);
|
|
|
|
connection locker;
|
|
create table t1(n int);
|
|
insert into t1 values (1);
|
|
lock tables t1 write;
|
|
connection writer;
|
|
send update low_priority t1 set n = 4;
|
|
connection reader;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "update low_priority t1 set n = 4";
|
|
--source include/wait_condition.inc
|
|
send select n from t1;
|
|
connection locker;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "select n from t1";
|
|
--source include/wait_condition.inc
|
|
unlock tables;
|
|
connection writer;
|
|
reap;
|
|
connection reader;
|
|
reap;
|
|
drop table t1;
|
|
|
|
connection locker;
|
|
create table t1(n int);
|
|
insert into t1 values (1);
|
|
lock tables t1 read;
|
|
connection writer;
|
|
send update low_priority t1 set n = 4;
|
|
connection reader;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "update low_priority t1 set n = 4";
|
|
--source include/wait_condition.inc
|
|
select n from t1;
|
|
connection locker;
|
|
unlock tables;
|
|
connection writer;
|
|
reap;
|
|
drop table t1;
|
|
|
|
#
|
|
# Test problem when using locks with multi-updates
|
|
# It should not block when multi-update is reading on a read-locked table
|
|
#
|
|
|
|
connection locker;
|
|
create table t1 (a int, b int);
|
|
create table t2 (c int, d int);
|
|
insert into t1 values(1,1);
|
|
insert into t1 values(2,2);
|
|
insert into t2 values(1,2);
|
|
lock table t1 read;
|
|
connection writer;
|
|
update t1,t2 set c=a where b=d;
|
|
connection reader;
|
|
select c from t2;
|
|
connection locker;
|
|
drop table t1;
|
|
drop table t2;
|
|
|
|
#
|
|
# Test problem when using locks on many tables and droping a table that
|
|
# is to-be-locked by another thread
|
|
#
|
|
#
|
|
connection locker;
|
|
create table t1 (a int);
|
|
create table t2 (a int);
|
|
lock table t1 write, t2 write;
|
|
connection reader;
|
|
send insert t1 select * from t2;
|
|
connection locker;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "insert t1 select * from t2";
|
|
--source include/wait_condition.inc
|
|
drop table t2;
|
|
connection reader;
|
|
--error 1146
|
|
reap;
|
|
connection locker;
|
|
drop table t1;
|
|
|
|
#
|
|
# Same test as above, but with the dropped table locked twice
|
|
#
|
|
|
|
connection locker;
|
|
create table t1 (a int);
|
|
create table t2 (a int);
|
|
lock table t1 write, t2 write, t1 as t1_2 write, t2 as t2_2 write;
|
|
connection reader;
|
|
send insert t1 select * from t2;
|
|
connection locker;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "insert t1 select * from t2";
|
|
--source include/wait_condition.inc
|
|
drop table t2;
|
|
connection reader;
|
|
--error 1146
|
|
reap;
|
|
connection locker;
|
|
drop table t1;
|
|
|
|
|
|
--echo End of 4.1 tests
|
|
|
|
#
|
|
# BUG#9998 - MySQL client hangs on USE "database"
|
|
#
|
|
create table t1(a int);
|
|
lock tables t1 write;
|
|
connection reader;
|
|
show columns from t1;
|
|
connection locker;
|
|
unlock tables;
|
|
drop table t1;
|
|
|
|
#
|
|
# Bug#16986 - Deadlock condition with MyISAM tables
|
|
#
|
|
|
|
# Need a matching user in mysql.user for multi-table select
|
|
--source include/add_anonymous_users.inc
|
|
|
|
connection locker;
|
|
use mysql;
|
|
LOCK TABLES columns_priv WRITE, db WRITE, host WRITE, user WRITE;
|
|
FLUSH TABLES;
|
|
#
|
|
connection reader;
|
|
use mysql;
|
|
#NOTE: This must be a multi-table select, otherwise the deadlock will not occur
|
|
send SELECT user.Select_priv FROM user, db WHERE user.user = db.user LIMIT 1;
|
|
#
|
|
connection locker;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for table" and info =
|
|
"SELECT user.Select_priv FROM user, db WHERE user.user = db.user LIMIT 1";
|
|
--source include/wait_condition.inc
|
|
# Make test case independent from earlier grants.
|
|
--replace_result "Table is already up to date" "OK"
|
|
OPTIMIZE TABLES columns_priv, db, host, user;
|
|
UNLOCK TABLES;
|
|
#
|
|
connection reader;
|
|
reap;
|
|
use test;
|
|
#
|
|
connection locker;
|
|
use test;
|
|
#
|
|
connection default;
|
|
#
|
|
# Test if CREATE TABLE with LOCK TABLE deadlocks.
|
|
#
|
|
connection writer;
|
|
CREATE TABLE t1 (c1 int);
|
|
LOCK TABLE t1 WRITE;
|
|
#
|
|
# This waits until t1 is unlocked.
|
|
connection locker;
|
|
send FLUSH TABLES WITH READ LOCK;
|
|
#
|
|
connection writer;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Flushing tables" and info = "FLUSH TABLES WITH READ LOCK";
|
|
--source include/wait_condition.inc
|
|
# This must not block.
|
|
CREATE TABLE t2 (c1 int);
|
|
UNLOCK TABLES;
|
|
#
|
|
# This awakes now.
|
|
connection locker;
|
|
reap;
|
|
UNLOCK TABLES;
|
|
#
|
|
connection default;
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# Test if CREATE TABLE SELECT with LOCK TABLE deadlocks.
|
|
#
|
|
connection writer;
|
|
CREATE TABLE t1 (c1 int);
|
|
LOCK TABLE t1 WRITE;
|
|
#
|
|
# This waits until t1 is unlocked.
|
|
connection locker;
|
|
send FLUSH TABLES WITH READ LOCK;
|
|
#
|
|
# This must not block.
|
|
connection writer;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Flushing tables" and info = "FLUSH TABLES WITH READ LOCK";
|
|
--source include/wait_condition.inc
|
|
--error 1100
|
|
CREATE TABLE t2 AS SELECT * FROM t1;
|
|
UNLOCK TABLES;
|
|
#
|
|
# This awakes now.
|
|
connection locker;
|
|
reap;
|
|
UNLOCK TABLES;
|
|
#
|
|
connection default;
|
|
DROP TABLE t1;
|
|
|
|
--source include/delete_anonymous_users.inc
|
|
|
|
#
|
|
# Bug#19815 - CREATE/RENAME/DROP DATABASE can deadlock on a global read lock
|
|
#
|
|
connect (con1,localhost,root,,);
|
|
connect (con2,localhost,root,,);
|
|
#
|
|
connection con1;
|
|
CREATE DATABASE mysqltest_1;
|
|
FLUSH TABLES WITH READ LOCK;
|
|
#
|
|
# With bug in place: acquire LOCK_mysql_create_table and
|
|
# wait in wait_if_global_read_lock().
|
|
connection con2;
|
|
send DROP DATABASE mysqltest_1;
|
|
#
|
|
# With bug in place: try to acquire LOCK_mysql_create_table...
|
|
# When fixed: Reject dropping db because of the read lock.
|
|
connection con1;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for release of readlock"
|
|
and info = "DROP DATABASE mysqltest_1";
|
|
--source include/wait_condition.inc
|
|
--error ER_CANT_UPDATE_WITH_READLOCK
|
|
DROP DATABASE mysqltest_1;
|
|
UNLOCK TABLES;
|
|
#
|
|
connection con2;
|
|
reap;
|
|
#
|
|
connection default;
|
|
disconnect con1;
|
|
disconnect con2;
|
|
# This must have been dropped by connection 2 already,
|
|
# which waited until the global read lock was released.
|
|
--error ER_DB_DROP_EXISTS
|
|
DROP DATABASE mysqltest_1;
|
|
|
|
#
|
|
# Bug #17264: MySQL Server freeze
|
|
#
|
|
connection locker;
|
|
# Disable warnings to allow test to run also without InnoDB
|
|
--disable_warnings
|
|
create table t1 (f1 int(12) unsigned not null auto_increment, primary key(f1)) engine=innodb;
|
|
--enable_warnings
|
|
lock tables t1 write;
|
|
connection writer;
|
|
send alter table t1 auto_increment=0;
|
|
connection reader;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "alter table t1 auto_increment=0";
|
|
--source include/wait_condition.inc
|
|
send alter table t1 auto_increment=0;
|
|
connection locker;
|
|
let $wait_condition=
|
|
select count(*) = 2 from information_schema.processlist
|
|
where state = "Locked" and info = "alter table t1 auto_increment=0";
|
|
--source include/wait_condition.inc
|
|
unlock tables;
|
|
connection writer;
|
|
reap;
|
|
connection reader;
|
|
reap;
|
|
connection locker;
|
|
drop table t1;
|
|
#
|
|
--echo End of 5.0 tests
|
|
|
|
|
|
#
|
|
# Bug #21281 "Pending write lock is incorrectly removed when its
|
|
# statement being KILLed"
|
|
#
|
|
create table t1 (i int);
|
|
connection locker;
|
|
lock table t1 read;
|
|
connection writer;
|
|
--send update t1 set i= 10;
|
|
connection reader;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "update t1 set i= 10";
|
|
--source include/wait_condition.inc
|
|
--send select * from t1;
|
|
connection default;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "select * from t1";
|
|
--source include/wait_condition.inc
|
|
let $ID= `select id from information_schema.processlist where state = "Locked" and info = "update t1 set i= 10"`;
|
|
--replace_result $ID ID
|
|
eval kill query $ID;
|
|
connection reader;
|
|
--reap
|
|
connection writer;
|
|
--error ER_QUERY_INTERRUPTED
|
|
--reap
|
|
connection locker;
|
|
unlock tables;
|
|
connection default;
|
|
drop table t1;
|
|
|
|
#
|
|
# Bug#25856 - HANDLER table OPEN in one connection lock DROP TABLE in another one
|
|
#
|
|
--disable_warnings
|
|
drop table if exists t1;
|
|
--enable_warnings
|
|
create table t1 (a int) ENGINE=MEMORY;
|
|
--echo --> client 2
|
|
connection locker;
|
|
--error 1031
|
|
handler t1 open;
|
|
--echo --> client 1
|
|
connection default;
|
|
drop table t1;
|
|
|
|
#
|
|
# Bug#32395 Alter table under a impending global read lock causes a server crash
|
|
#
|
|
|
|
#
|
|
# Test ALTER TABLE under LOCK TABLES and FLUSH TABLES WITH READ LOCK
|
|
#
|
|
|
|
--disable_warnings
|
|
drop table if exists t1;
|
|
--enable_warnings
|
|
create table t1 (i int);
|
|
connect (flush,localhost,root,,test,,);
|
|
connection default;
|
|
--echo connection: default
|
|
lock tables t1 write;
|
|
connection flush;
|
|
--echo connection: flush
|
|
--send flush tables with read lock;
|
|
connection default;
|
|
--echo connection: default
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Flushing tables";
|
|
--source include/wait_condition.inc
|
|
alter table t1 add column j int;
|
|
connect (insert,localhost,root,,test,,);
|
|
connection insert;
|
|
--echo connection: insert
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Flushing tables";
|
|
--source include/wait_condition.inc
|
|
--send insert into t1 values (1,2);
|
|
--echo connection: default
|
|
connection default;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for release of readlock";
|
|
--source include/wait_condition.inc
|
|
unlock tables;
|
|
connection flush;
|
|
--echo connection: flush
|
|
--reap
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for release of readlock";
|
|
--source include/wait_condition.inc
|
|
select * from t1;
|
|
unlock tables;
|
|
connection insert;
|
|
--reap
|
|
connection default;
|
|
let $wait_condition=
|
|
select count(*) = 1 from t1;
|
|
--source include/wait_condition.inc
|
|
select * from t1;
|
|
drop table t1;
|
|
disconnect flush;
|
|
disconnect insert;
|
|
|
|
#
|
|
# Test that FLUSH TABLES under LOCK TABLES protects write locked tables
|
|
# from a impending FLUSH TABLES WITH READ LOCK
|
|
#
|
|
|
|
--disable_warnings
|
|
drop table if exists t1;
|
|
--enable_warnings
|
|
create table t1 (i int);
|
|
connect (flush,localhost,root,,test,,);
|
|
connection default;
|
|
--echo connection: default
|
|
lock tables t1 write;
|
|
connection flush;
|
|
--echo connection: flush
|
|
--send flush tables with read lock;
|
|
connection default;
|
|
--echo connection: default
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Flushing tables";
|
|
--source include/wait_condition.inc
|
|
flush tables;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Flushing tables";
|
|
--source include/wait_condition.inc
|
|
unlock tables;
|
|
let $wait_condition=
|
|
select count(*) = 0 from information_schema.processlist
|
|
where state = "Flushing tables";
|
|
--source include/wait_condition.inc
|
|
connection flush;
|
|
--reap
|
|
connection default;
|
|
disconnect flush;
|
|
drop table t1;
|
|
|
|
#
|
|
# Bug#30331: Table_locks_waited shows inaccurate values
|
|
#
|
|
|
|
--disable_warnings
|
|
drop table if exists t1,t2;
|
|
--enable_warnings
|
|
create table t1 (a int);
|
|
flush status;
|
|
lock tables t1 read;
|
|
let $tlwa= `show status like 'Table_locks_waited'`;
|
|
connect (waiter,localhost,root,,);
|
|
connection waiter;
|
|
--send insert into t1 values(1);
|
|
connection default;
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Locked" and info = "insert into t1 values(1)";
|
|
--source include/wait_condition.inc
|
|
let $tlwb= `show status like 'Table_locks_waited'`;
|
|
unlock tables;
|
|
drop table t1;
|
|
disconnect waiter;
|
|
connection default;
|
|
--disable_query_log
|
|
eval SET @tlwa= SUBSTRING_INDEX('$tlwa', ' ', -1);
|
|
eval SET @tlwb= SUBSTRING_INDEX('$tlwb', ' ', -1);
|
|
--enable_query_log
|
|
select @tlwa < @tlwb;
|
|
|
|
--echo End of 5.1 tests
|