mirror of
https://github.com/MariaDB/server.git
synced 2025-07-27 18:02:13 +03:00
Create 'main' test directory and move 't' and 'r' there
This commit is contained in:
98
mysql-test/main/flush_block_commit.test
Normal file
98
mysql-test/main/flush_block_commit.test
Normal file
@ -0,0 +1,98 @@
|
||||
# Let's see if FLUSH TABLES WITH READ LOCK blocks COMMIT of existing
|
||||
# transactions.
|
||||
# We verify that we did not introduce a deadlock.
|
||||
# This is intended to mimick how mysqldump and innobackup work.
|
||||
|
||||
# And it requires InnoDB
|
||||
--source include/have_innodb.inc
|
||||
|
||||
--echo # Save the initial number of concurrent sessions
|
||||
--source include/count_sessions.inc
|
||||
|
||||
connect (con1,localhost,root,,);
|
||||
connect (con2,localhost,root,,);
|
||||
connect (con3,localhost,root,,);
|
||||
connection con1;
|
||||
|
||||
--disable_warnings
|
||||
DROP TABLE IF EXISTS t1;
|
||||
--enable_warnings
|
||||
CREATE TABLE t1 (a INT) ENGINE=innodb;
|
||||
|
||||
# blocks COMMIT ?
|
||||
|
||||
BEGIN;
|
||||
INSERT INTO t1 VALUES(1);
|
||||
connection con2;
|
||||
FLUSH TABLES WITH READ LOCK;
|
||||
connection con1;
|
||||
--echo # Sending:
|
||||
--send COMMIT
|
||||
connection con2;
|
||||
--echo # Wait until COMMIT gets blocked.
|
||||
let $wait_condition=
|
||||
select count(*) = 1 from information_schema.processlist
|
||||
where state = "Waiting for commit lock" and info = "COMMIT";
|
||||
--source include/wait_condition.inc
|
||||
--echo # Verify that 'con1' was blocked and data did not move.
|
||||
SELECT * FROM t1;
|
||||
UNLOCK TABLES;
|
||||
connection con1;
|
||||
--echo # Reaping COMMIT
|
||||
--reap
|
||||
|
||||
# No deadlock ?
|
||||
|
||||
connection con1;
|
||||
BEGIN;
|
||||
SELECT * FROM t1 FOR UPDATE;
|
||||
connection con2;
|
||||
BEGIN;
|
||||
send SELECT * FROM t1 FOR UPDATE; # blocked by con1
|
||||
sleep 1;
|
||||
connection con3;
|
||||
send FLUSH TABLES WITH READ LOCK; # blocked by con2
|
||||
connection con1;
|
||||
COMMIT; # should not be blocked by con3
|
||||
connection con2;
|
||||
reap;
|
||||
COMMIT;
|
||||
connection con3;
|
||||
reap;
|
||||
UNLOCK TABLES;
|
||||
|
||||
# Bug#6732 FLUSH TABLES WITH READ LOCK + COMMIT hangs later FLUSH TABLES
|
||||
# WITH READ LOCK
|
||||
|
||||
connection con2;
|
||||
COMMIT; # unlock InnoDB row locks to allow insertions
|
||||
connection con1;
|
||||
BEGIN;
|
||||
INSERT INTO t1 VALUES(10);
|
||||
FLUSH TABLES WITH READ LOCK;
|
||||
connection con2;
|
||||
FLUSH TABLES WITH READ LOCK; # bug caused hang here
|
||||
UNLOCK TABLES;
|
||||
|
||||
# Bug#7358 SHOW CREATE DATABASE fails if open transaction
|
||||
|
||||
BEGIN;
|
||||
SELECT * FROM t1;
|
||||
SHOW CREATE DATABASE test;
|
||||
COMMIT;
|
||||
|
||||
|
||||
--echo # Cleanup
|
||||
connection default;
|
||||
disconnect con1;
|
||||
disconnect con2;
|
||||
disconnect con3;
|
||||
|
||||
--echo # We commit open transactions when we disconnect: only then we can
|
||||
--echo # drop the table.
|
||||
DROP TABLE t1;
|
||||
--echo # End of 4.1 tests
|
||||
|
||||
--echo # Wait till all disconnects are completed
|
||||
--source include/wait_until_count_sessions.inc
|
||||
|
Reference in New Issue
Block a user