mirror of
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528 lines
14 KiB
Text
528 lines
14 KiB
Text
########################################################################
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# Tests how BACKUP STAGE interacts with other commands (MDEV-5336)
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########################################################################
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--source include/have_innodb.inc
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--source include/have_metadata_lock_info.inc
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SET @saved_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency;
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SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
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--echo #
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--echo # Check backup and FTWRL
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--echo #
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flush tables with read lock;
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--error ER_CANT_UPDATE_WITH_READLOCK
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backup stage start;
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unlock tables;
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backup stage start;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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flush tables with read lock;
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backup stage end;
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--echo #
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--echo # Check backup and FLUSH TABLES
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--echo #
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flush tables;
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backup stage start;
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flush tables;
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backup stage end;
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--echo #
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--echo # Check BACKUP STAGE under lock tables
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--echo #
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create table t1 (a int);
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lock table t1 write;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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backup stage start;
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--error ER_BACKUP_NOT_RUNNING
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backup stage end;
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unlock tables;
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lock table t1 read;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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backup stage start;
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--error ER_BACKUP_NOT_RUNNING
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backup stage end;
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unlock tables;
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--echo #
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--echo # Check lock tables under BACKUP STAGE
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--echo #
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--disable_service_connection
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backup stage start;
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unlock tables;
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select lock_mode from information_schema.metadata_lock_info where thread_id>0;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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lock table t1 write;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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lock table t1 read;
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unlock tables;
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backup stage end;
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drop table t1;
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--enable_service_connection
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--echo #
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--echo # Check setting readonly under BACKUP STAGE
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--echo #
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backup stage start;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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set @@global.read_only=1;
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backup stage end;
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--echo # also make sure going back from read-only mode is not allowed
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set @@global.read_only=1;
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backup stage start;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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set @@global.read_only=0;
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backup stage end;
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set @@global.read_only=0;
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--echo #
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--echo # Check BACKUP STAGE under read_only
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--echo #
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set @@global.read_only=1;
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backup stage start;
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backup stage end;
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set @@global.read_only=0;
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--echo #
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--echo # Check that we can't create tables during backup
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--echo #
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backup stage start;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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create table t1 (a int);
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backup stage end;
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--echo # also make sure we can't write to a table during backup
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create table t1(a INT);
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backup stage start;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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insert into t1 values(1);
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--error ER_BACKUP_LOCK_IS_ACTIVE
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insert delayed into t1 values(1);
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--error ER_BACKUP_LOCK_IS_ACTIVE
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update t1 set a=1;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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delete from t1;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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truncate table t1;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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drop table t1;
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backup stage end;
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drop table t1;
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--echo #
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--echo # BACKUP STAGE performs implicit commits
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--echo #
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--disable_view_protocol
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create table t1(a int) stats_persistent=0, engine=InnoDB;
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begin;
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insert into t1 values(1);
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select lock_mode from information_schema.metadata_lock_info where thread_id>0;
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backup stage start;
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select lock_mode from information_schema.metadata_lock_info where thread_id>0;
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backup stage block_commit;
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commit;
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backup stage end;
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drop table t1;
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--enable_view_protocol
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--echo # Ensure that BACKUP STAGE ... does AUTOCOMMIT like most DDL.
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--echo # Sideeffect:
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--echo # Show the impact of not yet committed INSERT before sequence start
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--echo # and ROLLBACK sliding through the sequence.
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--disable_service_connection
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CREATE TABLE t1 (col1 INT) ENGINE = InnoDB;
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SET AUTOCOMMIT = 0;
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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ROLLBACK;
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BACKUP STAGE END;
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--echo #----
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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ROLLBACK;
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BACKUP STAGE END;
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--echo #----
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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ROLLBACK;
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BACKUP STAGE END;
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--echo #----
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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BACKUP STAGE BLOCK_COMMIT;
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ROLLBACK;
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BACKUP STAGE END;
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--echo #----
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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BACKUP STAGE BLOCK_COMMIT;
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BACKUP STAGE END;
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ROLLBACK;
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SELECT COUNT(*) = 5 AS expect_1 FROM t1;
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--echo # Show the impact of not yet committed INSERT before sequence start
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--echo # and a COMMIT sliding through the sequence.
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SET AUTOCOMMIT = 0;
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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COMMIT;
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BACKUP STAGE END;
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--echo #----
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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COMMIT;
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BACKUP STAGE END;
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--echo #----
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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COMMIT;
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BACKUP STAGE END;
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--echo #----
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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BACKUP STAGE BLOCK_COMMIT;
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COMMIT;
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BACKUP STAGE END;
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--echo #----
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INSERT INTO t1 SET col1 = 1;
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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BACKUP STAGE BLOCK_COMMIT;
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BACKUP STAGE END;
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COMMIT;
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SELECT COUNT(*) = 10 AS expect_1 FROM t1;
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DELETE FROM t1;
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COMMIT;
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drop table t1;
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--echo #
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--echo # CHECK: RO transaction under BACKUP STAGE is a potential deadlock
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--echo # OTOH we most probably allow them under FTWRL as well
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--echo #
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--disable_view_protocol
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CREATE TABLE t1 (col1 INT)stats_persistent=0, ENGINE = InnoDB;
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insert into t1 values (1);
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--source ../suite/innodb/include/wait_all_purged.inc
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backup stage start;
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backup stage block_commit;
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begin;
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select * from t1;
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select lock_mode from information_schema.metadata_lock_info where thread_id>0;
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backup stage end;
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select lock_mode from information_schema.metadata_lock_info where thread_id>0;
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drop table t1;
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--enable_view_protocol
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--echo #
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--echo # Check that handler are closed by backup stage block_ddl
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--echo #
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create table t1 (a int, key a (a));
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insert into t1 (a) values (1), (2), (3), (4), (5);
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handler t1 open;
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handler t1 read a prev;
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backup stage start;
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handler t1 read a prev;
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backup stage flush;
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backup stage block_ddl;
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handler t1 read a prev;
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backup stage block_commit;
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handler t1 read a prev;
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backup stage end;
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handler t1 close;
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drop table t1;
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--echo # Show the fate and impact of some SELECT /HANDLER ... READ
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--echo # sliding through the sequence.
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CREATE TABLE t1_innodb (col1 INT) ENGINE = InnoDB;
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INSERT INTO t1_innodb values (1),(2),(3);
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COMMIT;
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CREATE TABLE t1_myisam (col1 INT) ENGINE = MyISAM;
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INSERT INTO t1_myisam values (1),(2),(3);
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BACKUP STAGE START;
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SELECT COUNT(*) FROM t1_innodb;
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SELECT * FROM t1_innodb;
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HANDLER t1_innodb OPEN;
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HANDLER t1_innodb READ FIRST;
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HANDLER t1_innodb CLOSE;
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SELECT COUNT(*) FROM t1_myisam;
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HANDLER t1_myisam OPEN;
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HANDLER t1_myisam READ FIRST;
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HANDLER t1_myisam CLOSE;
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BACKUP STAGE FLUSH;
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SELECT COUNT(*) FROM t1_innodb;
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HANDLER t1_innodb OPEN;
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HANDLER t1_innodb READ FIRST;
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HANDLER t1_innodb CLOSE;
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SELECT COUNT(*) FROM t1_myisam;
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HANDLER t1_myisam OPEN;
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HANDLER t1_myisam READ FIRST;
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HANDLER t1_myisam CLOSE;
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BACKUP STAGE BLOCK_DDL;
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SELECT COUNT(*) FROM t1_innodb;
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HANDLER t1_innodb OPEN;
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HANDLER t1_innodb READ FIRST;
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HANDLER t1_innodb CLOSE;
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SELECT COUNT(*) FROM t1_myisam;
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HANDLER t1_myisam OPEN;
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HANDLER t1_myisam READ FIRST;
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HANDLER t1_myisam CLOSE;
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BACKUP STAGE BLOCK_COMMIT;
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SELECT COUNT(*) FROM t1_innodb;
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HANDLER t1_innodb OPEN;
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HANDLER t1_innodb READ FIRST;
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HANDLER t1_innodb CLOSE;
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SELECT COUNT(*) FROM t1_myisam;
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HANDLER t1_myisam OPEN;
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HANDLER t1_myisam READ FIRST;
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HANDLER t1_myisam CLOSE;
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BACKUP STAGE END;
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drop table t1_innodb,t1_myisam;
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--echo # Show the fate and impact of some SET GLOBAL tx_read_only = 1/0
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--echo # sliding through the sequence.
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BACKUP STAGE START;
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SET GLOBAL tx_read_only = 1;
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SET GLOBAL tx_read_only = 0;
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BACKUP STAGE FLUSH;
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SET GLOBAL tx_read_only = 1;
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SET GLOBAL tx_read_only = 0;
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BACKUP STAGE BLOCK_DDL;
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SET GLOBAL tx_read_only = 1;
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SET GLOBAL tx_read_only = 0;
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BACKUP STAGE BLOCK_COMMIT;
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SET GLOBAL tx_read_only = 1;
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SET GLOBAL tx_read_only = 0;
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BACKUP STAGE END;
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--echo # Show the fate and impact of some SET SESSION sql_log_bin = 0/1
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--echo # sliding through the sequence.
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COMMIT;
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SET SESSION sql_log_bin = 1;
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BACKUP STAGE START;
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SET SESSION sql_log_bin = 0;
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SET SESSION sql_log_bin = 1;
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BACKUP STAGE FLUSH;
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SET SESSION sql_log_bin = 0;
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SET SESSION sql_log_bin = 1;
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BACKUP STAGE BLOCK_DDL;
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SET SESSION sql_log_bin = 0;
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SET SESSION sql_log_bin = 1;
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BACKUP STAGE BLOCK_COMMIT;
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SET SESSION sql_log_bin = 0;
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SET SESSION sql_log_bin = 1;
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BACKUP STAGE END;
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--echo #----
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SET SESSION sql_log_bin = 0;
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BACKUP STAGE START;
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SET SESSION sql_log_bin = 1;
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SET SESSION sql_log_bin = 0;
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BACKUP STAGE FLUSH;
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SET SESSION sql_log_bin = 1;
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SET SESSION sql_log_bin = 0;
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BACKUP STAGE BLOCK_DDL;
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SET SESSION sql_log_bin = 1;
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SET SESSION sql_log_bin = 0;
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BACKUP STAGE BLOCK_COMMIT;
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SET SESSION sql_log_bin = 1;
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SET SESSION sql_log_bin = 0;
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BACKUP STAGE END;
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SET SESSION sql_log_bin = 1;
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--enable_service_connection
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--echo #-----------------------------------------------------------------------
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--echo # BACKUP STAGE statements are not allowed in stored routines
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--echo #-----------------------------------------------------------------------
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CREATE TABLE t1 (col1 INT);
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delimiter |;
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--error ER_SP_BADSTATEMENT
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CREATE PROCEDURE p1()
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BEGIN
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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BACKUP STAGE BLOCK_COMMIT;
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BACKUP STAGE END;
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END|
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--error ER_SP_BADSTATEMENT
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CREATE FUNCTION f1 (s CHAR(20)) RETURNS INT DETERMINISTIC
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BEGIN
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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BACKUP STAGE BLOCK_COMMIT;
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BACKUP STAGE END;
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RETURN 1;
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END|
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--error ER_SP_BADSTATEMENT
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CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW
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BEGIN
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BACKUP STAGE START;
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BACKUP STAGE FLUSH;
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BACKUP STAGE BLOCK_DDL;
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BACKUP STAGE BLOCK_COMMIT;
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BACKUP STAGE END;
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END|
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delimiter ;|
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DROP TABLE t1;
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--echo #-----------------------------------------------------------------------
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--echo # Check BACKUP status variables
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--echo #-----------------------------------------------------------------------
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SET SESSION lock_wait_timeout = 1;
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FLUSH STATUS;
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# MDEV-5336 introduces the status variable Com_backup
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--echo # Show how the status variable 'Com_backup' changes after BACKUP STAGE ..
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SHOW STATUS LIKE 'Com_backup';
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BACKUP STAGE START;
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SHOW STATUS LIKE 'Com_backup';
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--error ER_BACKUP_WRONG_STAGE
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BACKUP STAGE START;
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SHOW STATUS LIKE 'Com_backup';
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BACKUP STAGE FLUSH;
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SHOW STATUS LIKE 'Com_backup';
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BACKUP STAGE BLOCK_DDL;
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SHOW STATUS LIKE 'Com_backup';
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BACKUP STAGE BLOCK_COMMIT;
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SHOW STATUS LIKE 'Com_backup';
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BACKUP STAGE END;
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--echo # In case the backup lock is taken by the current connection than
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--echo # - DML modifying some permanent table is not allowed
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CREATE TABLE t1_innodb (col1 INT) ENGINE = InnoDB;
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CREATE TABLE t1_myisam (col1 INT) ENGINE = MyISAM;
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BACKUP STAGE START;
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SET AUTOCOMMIT = 0;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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INSERT INTO t1_innodb SET col1 = 1;
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SET AUTOCOMMIT = 1;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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INSERT INTO t1_innodb SET col1 = 1;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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INSERT INTO t1_myisam SET col1 = 1;
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--echo # - DDL creating or renaming a permanent table or a procedure etc.
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--echo # is not allowed.
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--error ER_BACKUP_LOCK_IS_ACTIVE
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CREATE TABLE throw_away (col1 INT) ENGINE = InnoDB;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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RENAME TABLE t1_innodb To throw_away;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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CREATE PROCEDURE p1() SELECT 13;
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--error ER_BACKUP_LOCK_IS_ACTIVE
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CREATE PROCEDURE p1() SELECT 13;
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BACKUP STAGE END;
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DROP TABLE t1_innodb;
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DROP TABLE t1_myisam;
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--echo #
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--echo # Creating and modifying TEMPORARY TABLES are allowed
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--echo #
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--disable_view_protocol
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BACKUP STAGE START;
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BACKUP STAGE BLOCK_DDL;
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CREATE TEMPORARY TABLE tmp (col1 INT);
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DROP TEMPORARY TABLE tmp;
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CREATE TEMPORARY TABLE t_temporary_innodb (col1 INT) ENGINE = InnoDB;
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CREATE TEMPORARY TABLE t_temporary_myisam (col1 INT) ENGINE = MyISAM;
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--echo # - DML modifying that temporary table is allowed.
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INSERT INTO t_temporary_innodb SET col1 = 1;
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SELECT COUNT(*) FROM t_temporary_innodb;
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INSERT INTO t_temporary_myisam SET col1 = 1;
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SELECT COUNT(*) FROM t_temporary_myisam;
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BACKUP STAGE END;
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--echo # Show the fate and impact of some auto committed INSERT into temporary
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--echo # table sliding through the sequence.
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SET AUTOCOMMIT = 1;
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BACKUP STAGE START;
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INSERT INTO t_temporary_innodb SET col1 = 1;
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INSERT INTO t_temporary_myisam SET col1 = 1;
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BACKUP STAGE FLUSH;
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INSERT INTO t_temporary_innodb SET col1 = 1;
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INSERT INTO t_temporary_myisam SET col1 = 1;
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BACKUP STAGE BLOCK_DDL;
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INSERT INTO t_temporary_innodb SET col1 = 1;
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INSERT INTO t_temporary_myisam SET col1 = 1;
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BACKUP STAGE BLOCK_COMMIT;
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INSERT INTO t_temporary_innodb SET col1 = 1;
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INSERT INTO t_temporary_myisam SET col1 = 1;
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BACKUP STAGE END;
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SELECT COUNT(*) FROM t_temporary_innodb;
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--echo # Show the fate and impact of some DROP/CREATE TEMPORARY TABLE sliding
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--echo # through the sequence.
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SET AUTOCOMMIT = 1;
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BACKUP STAGE START;
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DROP TEMPORARY TABLE t_temporary_innodb;
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CREATE TEMPORARY TABLE t_temporary_innodb (col1 INT) ENGINE = InnoDB;
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BACKUP STAGE FLUSH;
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DROP TEMPORARY TABLE t_temporary_innodb;
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CREATE TEMPORARY TABLE t_temporary_innodb (col1 INT) ENGINE = InnoDB;
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BACKUP STAGE BLOCK_DDL;
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DROP TEMPORARY TABLE t_temporary_innodb;
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CREATE TEMPORARY TABLE t_temporary_innodb (col1 INT) ENGINE = InnoDB;
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BACKUP STAGE BLOCK_COMMIT;
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DROP TEMPORARY TABLE t_temporary_innodb;
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CREATE TEMPORARY TABLE t_temporary_innodb (col1 INT) ENGINE = InnoDB;
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BACKUP STAGE END;
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--echo # Show that even more DDL on the temporary table is allowed.
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BACKUP STAGE START;
|
|
TRUNCATE t_temporary_innodb;
|
|
ALTER TABLE t_temporary_innodb ADD COLUMN col2 INT;
|
|
ALTER TABLE t_temporary_innodb ADD KEY idx(col2);
|
|
BACKUP STAGE END;
|
|
--enable_view_protocol
|
|
|
|
#
|
|
# MDEV-18067, MDEV-18068 and MDEV-18069
|
|
# Server crashes with BACKUP STAGE and FLUSH TABLE table_name
|
|
#
|
|
|
|
CREATE OR REPLACE TABLE t1 (pk INT PRIMARY KEY, f INT);
|
|
BACKUP STAGE START;
|
|
--error ER_BACKUP_LOCK_IS_ACTIVE
|
|
FLUSH TABLE t1 FOR EXPORT;
|
|
--error ER_BACKUP_LOCK_IS_ACTIVE
|
|
FLUSH TABLE t1 WITH READ LOCK;
|
|
BACKUP STAGE END;
|
|
DROP TABLE t1;
|
|
SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;
|