mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 04:46:15 +01:00
101 lines
2.5 KiB
Text
101 lines
2.5 KiB
Text
create schema foo;
|
|
show create schema foo;
|
|
Database Create Database
|
|
foo CREATE DATABASE `foo` /*!40100 DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci */
|
|
show schemas;
|
|
Database
|
|
foo
|
|
information_schema
|
|
mtr
|
|
mysql
|
|
performance_schema
|
|
sys
|
|
test
|
|
drop schema foo;
|
|
#
|
|
# Bug #48940 MDL deadlocks against mysql_rm_db
|
|
#
|
|
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;
|
|
DROP SCHEMA schema1;
|
|
connection default;
|
|
ALTER SCHEMA schema1 DEFAULT CHARACTER SET utf8;
|
|
Got one of the listed errors
|
|
COMMIT;
|
|
connection con2;
|
|
connection default;
|
|
disconnect con2;
|
|
#
|
|
# Bug #49988 MDL deadlocks with mysql_create_db, reload_acl_and_cache
|
|
#
|
|
connect con2, localhost, root;
|
|
connection default;
|
|
CREATE SCHEMA schema1;
|
|
CREATE TABLE schema1.t1 (id INT);
|
|
LOCK TABLE schema1.t1 WRITE;
|
|
connection con2;
|
|
DROP SCHEMA schema1;
|
|
connection default;
|
|
# CREATE SCHEMA used to give a deadlock.
|
|
# Now we prohibit CREATE SCHEMA in LOCK TABLES mode.
|
|
CREATE SCHEMA IF NOT EXISTS schema1;
|
|
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
|
|
# UNLOCK TABLES so DROP SCHEMA can continue.
|
|
UNLOCK TABLES;
|
|
connection con2;
|
|
connection default;
|
|
disconnect con2;
|
|
#
|
|
# Bug#54360 Deadlock DROP/ALTER/CREATE DATABASE with open HANDLER
|
|
#
|
|
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;
|
|
# Sending:
|
|
DROP DATABASE db1;
|
|
connect con2, localhost, root;
|
|
connection con1;
|
|
CREATE DATABASE db2;
|
|
ALTER DATABASE db2 DEFAULT CHARACTER SET utf8;
|
|
DROP DATABASE db2;
|
|
HANDLER t1 CLOSE;
|
|
connection default;
|
|
# Reaping: DROP DATABASE db1
|
|
disconnect con1;
|
|
disconnect con2;
|
|
#
|
|
# Tests for increased CREATE/ALTER/DROP DATABASE concurrency with
|
|
# database name locks.
|
|
#
|
|
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;
|
|
# DROP DATABASE should block due to the active transaction
|
|
# Sending:
|
|
DROP DATABASE db1;
|
|
connection con3;
|
|
# 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;
|
|
# End the transaction so DROP DATABASE db1 can continue
|
|
COMMIT;
|
|
connection con2;
|
|
# Reaping: DROP DATABASE db1
|
|
connection default;
|
|
disconnect con2;
|
|
disconnect con3;
|