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2a9662b401
after all engines have discovered their tables side effect: correct alphabetical sorting as in ORDER BY ... COLLATE utf8_bin, information_schema is no longer the first after find_files(), tables like #mysql50#zzz are sorted first (as per table name), not last (as per file name zzz).
95 lines
2.4 KiB
Text
95 lines
2.4 KiB
Text
drop database if exists mysqltest1;
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create schema foo;
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show create schema foo;
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Database Create Database
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foo CREATE DATABASE `foo` /*!40100 DEFAULT CHARACTER SET latin1 */
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show schemas;
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Database
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foo
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information_schema
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mtr
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mysql
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performance_schema
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test
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drop schema foo;
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#
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# Bug #48940 MDL deadlocks against mysql_rm_db
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#
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DROP SCHEMA IF EXISTS schema1;
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# Connection default
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CREATE SCHEMA schema1;
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CREATE TABLE schema1.t1 (a INT);
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SET autocommit= FALSE;
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INSERT INTO schema1.t1 VALUES (1);
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# Connection 2
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DROP SCHEMA schema1;
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# Connection default
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ALTER SCHEMA schema1 DEFAULT CHARACTER SET utf8;
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Got one of the listed errors
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SET autocommit= TRUE;
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# Connection 2
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# Connection default
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#
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# Bug #49988 MDL deadlocks with mysql_create_db, reload_acl_and_cache
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#
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DROP SCHEMA IF EXISTS schema1;
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# Connection default
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CREATE SCHEMA schema1;
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CREATE TABLE schema1.t1 (id INT);
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LOCK TABLE schema1.t1 WRITE;
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# Connection con2
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DROP SCHEMA schema1;
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# Connection default
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# CREATE SCHEMA used to give a deadlock.
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# Now we prohibit CREATE SCHEMA in LOCK TABLES mode.
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CREATE SCHEMA IF NOT EXISTS schema1;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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# UNLOCK TABLES so DROP SCHEMA can continue.
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UNLOCK TABLES;
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# Connection con2
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# Connection default
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#
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# Bug#54360 Deadlock DROP/ALTER/CREATE DATABASE with open HANDLER
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#
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CREATE DATABASE db1;
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CREATE TABLE db1.t1 (a INT);
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INSERT INTO db1.t1 VALUES (1), (2);
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# Connection con1
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HANDLER db1.t1 OPEN;
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# Connection default
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# Sending:
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DROP DATABASE db1;
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# Connection con2
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# Connection con1
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CREATE DATABASE db2;
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ALTER DATABASE db2 DEFAULT CHARACTER SET utf8;
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DROP DATABASE db2;
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HANDLER t1 CLOSE;
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# Connection default
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# Reaping: DROP DATABASE db1
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#
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# Tests for increased CREATE/ALTER/DROP DATABASE concurrency with
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# database name locks.
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#
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DROP DATABASE IF EXISTS db1;
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DROP DATABASE IF EXISTS db2;
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# Connection default
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CREATE DATABASE db1;
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CREATE TABLE db1.t1 (id INT);
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START TRANSACTION;
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INSERT INTO db1.t1 VALUES (1);
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# Connection 2
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# DROP DATABASE should block due to the active transaction
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# Sending:
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DROP DATABASE db1;
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# Connection 3
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# But it should still be possible to CREATE/ALTER/DROP other databases.
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CREATE DATABASE db2;
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ALTER DATABASE db2 DEFAULT CHARACTER SET utf8;
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DROP DATABASE db2;
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# Connection default
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# End the transaction so DROP DATABASE db1 can continue
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COMMIT;
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# Connection 2
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# Reaping: DROP DATABASE db1
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# Connection default;
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