mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 03:52:35 +01:00
81c88ab7cd
MyISAM tables no longer take transactional metadata locks unless there already is an active transaction.
163 lines
3.9 KiB
Text
163 lines
3.9 KiB
Text
#
|
|
# Just a couple of tests to make sure that schema works.
|
|
#
|
|
# Drop mysqltest1 database, as it can left from the previous tests.
|
|
#
|
|
|
|
# Save the initial number of concurrent sessions.
|
|
--source include/count_sessions.inc
|
|
--source include/default_charset.inc
|
|
|
|
create schema foo;
|
|
show create schema foo;
|
|
show schemas;
|
|
drop schema foo;
|
|
|
|
|
|
--echo #
|
|
--echo # Bug #48940 MDL deadlocks against mysql_rm_db
|
|
--echo #
|
|
|
|
connect(con2, localhost, root);
|
|
|
|
connection default;
|
|
|
|
CREATE SCHEMA schema1;
|
|
CREATE TABLE schema1.t1 (a INT);
|
|
|
|
START TRANSACTION;
|
|
INSERT INTO schema1.t1 VALUES (1);
|
|
|
|
connection con2;
|
|
--send DROP SCHEMA schema1
|
|
|
|
connection default;
|
|
let $wait_condition= SELECT COUNT(*)= 1 FROM information_schema.processlist
|
|
WHERE state= 'Waiting for table metadata lock'
|
|
AND info='DROP SCHEMA schema1';
|
|
--source include/wait_condition.inc
|
|
# Error 1 is from ALTER DATABASE when the database does not exist.
|
|
# Listing the error twice to prevent result diffences based on filename.
|
|
--error 1,1
|
|
ALTER SCHEMA schema1 DEFAULT CHARACTER SET utf8;
|
|
COMMIT;
|
|
|
|
connection con2;
|
|
--reap
|
|
|
|
connection default;
|
|
disconnect con2;
|
|
|
|
|
|
--echo #
|
|
--echo # Bug #49988 MDL deadlocks with mysql_create_db, reload_acl_and_cache
|
|
--echo #
|
|
|
|
connect (con2, localhost, root);
|
|
|
|
connection default;
|
|
CREATE SCHEMA schema1;
|
|
CREATE TABLE schema1.t1 (id INT);
|
|
LOCK TABLE schema1.t1 WRITE;
|
|
|
|
connection con2;
|
|
--send DROP SCHEMA schema1
|
|
|
|
connection default;
|
|
let $wait_condition=SELECT COUNT(*)=1 FROM information_schema.processlist
|
|
WHERE state='Waiting for schema metadata lock' and info='DROP SCHEMA schema1';
|
|
--source include/wait_condition.inc
|
|
|
|
--echo # CREATE SCHEMA used to give a deadlock.
|
|
--echo # Now we prohibit CREATE SCHEMA in LOCK TABLES mode.
|
|
--error ER_LOCK_OR_ACTIVE_TRANSACTION
|
|
CREATE SCHEMA IF NOT EXISTS schema1;
|
|
|
|
--echo # UNLOCK TABLES so DROP SCHEMA can continue.
|
|
UNLOCK TABLES;
|
|
|
|
connection con2;
|
|
--reap
|
|
|
|
connection default;
|
|
disconnect con2;
|
|
|
|
|
|
--echo #
|
|
--echo # Bug#54360 Deadlock DROP/ALTER/CREATE DATABASE with open HANDLER
|
|
--echo #
|
|
|
|
CREATE DATABASE db1;
|
|
CREATE TABLE db1.t1 (a INT);
|
|
INSERT INTO db1.t1 VALUES (1), (2);
|
|
|
|
connect (con1, localhost, root);
|
|
HANDLER db1.t1 OPEN;
|
|
|
|
connection default;
|
|
--echo # Sending:
|
|
--send DROP DATABASE db1
|
|
|
|
connect (con2, localhost, root);
|
|
let $wait_condition=SELECT COUNT(*)=1 FROM information_schema.processlist
|
|
WHERE state='Waiting for table metadata lock' AND info='DROP DATABASE db1';
|
|
--source include/wait_condition.inc
|
|
|
|
connection con1;
|
|
# All these statements before resulted in deadlock.
|
|
CREATE DATABASE db2;
|
|
ALTER DATABASE db2 DEFAULT CHARACTER SET utf8;
|
|
DROP DATABASE db2;
|
|
HANDLER t1 CLOSE;
|
|
|
|
connection default;
|
|
--echo # Reaping: DROP DATABASE db1
|
|
--reap
|
|
disconnect con1;
|
|
disconnect con2;
|
|
|
|
|
|
--echo #
|
|
--echo # Tests for increased CREATE/ALTER/DROP DATABASE concurrency with
|
|
--echo # database name locks.
|
|
--echo #
|
|
|
|
connect (con2, localhost, root);
|
|
connect (con3, localhost, root);
|
|
|
|
connection default;
|
|
CREATE DATABASE db1;
|
|
CREATE TABLE db1.t1 (id INT);
|
|
START TRANSACTION;
|
|
INSERT INTO db1.t1 VALUES (1);
|
|
|
|
connection con2;
|
|
--echo # DROP DATABASE should block due to the active transaction
|
|
--echo # Sending:
|
|
--send DROP DATABASE db1
|
|
|
|
connection con3;
|
|
let $wait_condition=SELECT COUNT(*)=1 FROM information_schema.processlist
|
|
WHERE state='Waiting for table metadata lock' and info='DROP DATABASE db1';
|
|
--source include/wait_condition.inc
|
|
--echo # But it should still be possible to CREATE/ALTER/DROP other databases.
|
|
CREATE DATABASE db2;
|
|
ALTER DATABASE db2 DEFAULT CHARACTER SET utf8;
|
|
DROP DATABASE db2;
|
|
|
|
connection default;
|
|
--echo # End the transaction so DROP DATABASE db1 can continue
|
|
COMMIT;
|
|
|
|
connection con2;
|
|
--echo # Reaping: DROP DATABASE db1
|
|
--reap
|
|
|
|
connection default;
|
|
disconnect con2;
|
|
disconnect con3;
|
|
|
|
|
|
# Check that all connections opened by test cases in this file are really
|
|
# gone so execution of other tests won't be affected by their presence.
|
|
--source include/wait_until_count_sessions.inc
|