mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 02:46:29 +01:00
141 lines
3.1 KiB
Text
141 lines
3.1 KiB
Text
#
|
|
# INSERT HIGH_PRIOIRITY
|
|
#
|
|
--source have_engine.inc
|
|
|
|
--source include/count_sessions.inc
|
|
|
|
--disable_warnings
|
|
DROP TABLE IF EXISTS t1;
|
|
--enable_warnings
|
|
|
|
# We will be changing the GLOBAL value of low_priority_updates
|
|
# due to bug#64892
|
|
# (Session-level low_priority_updates does not work for INSERT)
|
|
SET @low_prio_updates = @@global.low_priority_updates;
|
|
|
|
# Concurrent insert might interfere
|
|
# with HIGH|LOW_PRIORITY logic
|
|
SET @concur_insert = @@global.concurrent_insert;
|
|
SET GLOBAL concurrent_insert = NEVER;
|
|
|
|
# We will have 3 connections:
|
|
# con1 will start SELECT which should give us enough time;
|
|
# con0 will run INSERT
|
|
# con2 will then start another SELECT.
|
|
# With standard INSERT and low_priority_updates=1
|
|
# we should see only old rows in both resultsets,
|
|
# while with INSERT HIGH_PRIORITY we should see new rows in con2 resultset.
|
|
|
|
--connect (con0,localhost,root,,)
|
|
SET lock_wait_timeout = 4;
|
|
--connect (con1,localhost,root,,)
|
|
SET lock_wait_timeout = 4;
|
|
--connect (con2,localhost,root,,)
|
|
SET lock_wait_timeout = 4;
|
|
|
|
|
|
--source create_table.inc
|
|
INSERT INTO t1 (a,b) VALUES (1,'f'),(2,'b');
|
|
|
|
# Normal INSERT with low_priority_updates=1
|
|
# should work like INSERT LOW_PRIORITY
|
|
|
|
SET GLOBAL LOW_PRIORITY_UPDATES = 1;
|
|
|
|
--connection con1
|
|
--send
|
|
SELECT SLEEP(1) FROM t1;
|
|
|
|
--connection con0
|
|
let $show_statement = SHOW PROCESSLIST;
|
|
let $field = State;
|
|
let $condition = = 'User sleep';
|
|
let $wait_timeout = 2;
|
|
--source include/wait_show_condition.inc
|
|
--send
|
|
INSERT INTO t1 (a,b) VALUES (3,'z');
|
|
|
|
--connection con2
|
|
let $condition = = 'Waiting for table level lock';
|
|
let $wait_timeout = 2;
|
|
--source include/wait_show_condition.inc
|
|
if (!$found)
|
|
{
|
|
--let $mysql_errname = timeout in wait_show_condition.inc
|
|
--let $functionality = @@low_priority_updates or INSERT or table locking
|
|
--source unexpected_result.inc
|
|
}
|
|
if ($found)
|
|
{
|
|
--echo # Should return only 2 rows
|
|
SELECT SLEEP(1) FROM t1;
|
|
}
|
|
|
|
--connection con1
|
|
--reap
|
|
|
|
--connection con0
|
|
--reap
|
|
--sorted_result
|
|
SELECT a,b FROM t1;
|
|
|
|
DROP TABLE t1;
|
|
|
|
--source create_table.inc
|
|
INSERT INTO t1 (a,b) VALUES (1,'f'),(2,'b');
|
|
|
|
# INSERT HIGH_PRIORITY should override low_priority_updates=1
|
|
|
|
--connection con1
|
|
--send
|
|
SELECT SLEEP(1) FROM t1;
|
|
|
|
--connection con0
|
|
let $condition = = 'User sleep';
|
|
let $wait_timeout = 2;
|
|
--source include/wait_show_condition.inc
|
|
--send
|
|
INSERT HIGH_PRIORITY INTO t1 (a,b) VALUES (3,'z');
|
|
|
|
--connection con2
|
|
let $condition = = 'Waiting for table level lock';
|
|
let $wait_timeout = 2;
|
|
--source include/wait_show_condition.inc
|
|
if (!$found)
|
|
{
|
|
--let $mysql_errname = timeout in wait_show_condition.inc
|
|
--let $functionality = @@low_priority_updates or INSERT HIGH_PRIORITY or table locking
|
|
--source unexpected_result.inc
|
|
}
|
|
if ($found)
|
|
{
|
|
--echo # Should return 3 rows
|
|
SELECT SLEEP(1) FROM t1;
|
|
}
|
|
|
|
--connection con1
|
|
--reap
|
|
|
|
--connection con0
|
|
--reap
|
|
--sorted_result
|
|
SELECT a,b FROM t1;
|
|
|
|
--disconnect con1
|
|
--disconnect con2
|
|
--disconnect con0
|
|
let $wait_timeout = 30;
|
|
|
|
--connection default
|
|
|
|
SET GLOBAL low_priority_updates = @low_prio_updates;
|
|
SET GLOBAL concurrent_insert = @concur_insert;
|
|
|
|
# Cleanup
|
|
DROP TABLE t1;
|
|
|
|
--source include/wait_until_count_sessions.inc
|
|
|
|
--source cleanup_engine.inc
|
|
|