mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 20:12:31 +01:00
c53aab974b
Part of MDEV-5336 Implement LOCK FOR BACKUP - Changed check of Global_only_lock to also include BACKUP lock. - We store latest MDL_BACKUP_DDL lock in thd->mdl_backup_ticket to be able to downgrade lock during copy_data_between_tables()
158 lines
4.9 KiB
Text
158 lines
4.9 KiB
Text
connect con1,localhost,root,,;
|
|
SET SESSION lock_wait_timeout = 1;
|
|
#-----------------------------------------------------------------------
|
|
# Single-threaded tests
|
|
#-----------------------------------------------------------------------
|
|
# Show the fate and impact of some SELECT /HANDLER ... READ
|
|
# sliding through the sequence.
|
|
CREATE TABLE t_permanent_aria (col1 INT) ENGINE = Aria TRANSACTIONAL = 0;
|
|
INSERT INTO t_permanent_aria SET col1 = 1;
|
|
BACKUP STAGE START;
|
|
SELECT COUNT(*) FROM t_permanent_aria;
|
|
COUNT(*)
|
|
1
|
|
HANDLER t_permanent_aria OPEN;
|
|
HANDLER t_permanent_aria READ FIRST;
|
|
col1
|
|
1
|
|
HANDLER t_permanent_aria CLOSE;
|
|
BACKUP STAGE FLUSH;
|
|
SELECT COUNT(*) FROM t_permanent_aria;
|
|
COUNT(*)
|
|
1
|
|
HANDLER t_permanent_aria OPEN;
|
|
HANDLER t_permanent_aria READ FIRST;
|
|
col1
|
|
1
|
|
HANDLER t_permanent_aria CLOSE;
|
|
BACKUP STAGE BLOCK_DDL;
|
|
SELECT COUNT(*) FROM t_permanent_aria;
|
|
COUNT(*)
|
|
1
|
|
HANDLER t_permanent_aria OPEN;
|
|
HANDLER t_permanent_aria READ FIRST;
|
|
col1
|
|
1
|
|
HANDLER t_permanent_aria CLOSE;
|
|
BACKUP STAGE BLOCK_COMMIT;
|
|
SELECT COUNT(*) FROM t_permanent_aria;
|
|
COUNT(*)
|
|
1
|
|
HANDLER t_permanent_aria OPEN;
|
|
HANDLER t_permanent_aria READ FIRST;
|
|
col1
|
|
1
|
|
HANDLER t_permanent_aria CLOSE;
|
|
BACKUP STAGE END;
|
|
# In case the backup lock is taken by the current connection than
|
|
# - DML modifying some permanent table is not allowed
|
|
BACKUP STAGE START;
|
|
SET AUTOCOMMIT = 0;
|
|
INSERT INTO t_permanent_aria SET col1 = 1;
|
|
ERROR HY000: Can't execute the command as you have a BACKUP STAGE active
|
|
SET AUTOCOMMIT = 1;
|
|
INSERT INTO t_permanent_aria SET col1 = 1;
|
|
ERROR HY000: Can't execute the command as you have a BACKUP STAGE active
|
|
# - DDL creating or renaming a permanent table or a procedure is not
|
|
# allowed.
|
|
# The latter tries to modify a permanent system table.
|
|
CREATE TABLE throw_away (col1 INT) ENGINE = Aria TRANSACTIONAL = 0;
|
|
ERROR HY000: Can't execute the command as you have a BACKUP STAGE active
|
|
RENAME TABLE t_permanent_aria To throw_away;
|
|
ERROR HY000: Can't execute the command as you have a BACKUP STAGE active
|
|
# - DDL creating a temporary table is allowed.
|
|
CREATE TEMPORARY TABLE t_temporary_aria (col1 INT) ENGINE = Aria TRANSACTIONAL = 0;
|
|
# - DML modifying that temporary table is allowed.
|
|
INSERT INTO t_temporary_aria SET col1 = 1;
|
|
SELECT COUNT(*) FROM t_temporary_aria;
|
|
COUNT(*)
|
|
1
|
|
BACKUP STAGE END;
|
|
# Show the fate and impact of some auto committed INSERT into temporary
|
|
# table sliding through the sequence.
|
|
SET AUTOCOMMIT = 1;
|
|
BACKUP STAGE START;
|
|
INSERT INTO t_temporary_aria SET col1 = 1;
|
|
BACKUP STAGE FLUSH;
|
|
INSERT INTO t_temporary_aria SET col1 = 1;
|
|
BACKUP STAGE BLOCK_DDL;
|
|
INSERT INTO t_temporary_aria SET col1 = 1;
|
|
BACKUP STAGE BLOCK_COMMIT;
|
|
INSERT INTO t_temporary_aria SET col1 = 1;
|
|
BACKUP STAGE END;
|
|
SELECT COUNT(*) FROM t_temporary_aria;
|
|
COUNT(*)
|
|
5
|
|
# Show the fate and impact of some DROP/CREATE TEMPORARY TABLE sliding
|
|
# through the sequence.
|
|
SET AUTOCOMMIT = 1;
|
|
BACKUP STAGE START;
|
|
DROP TEMPORARY TABLE t_temporary_aria;
|
|
CREATE TEMPORARY TABLE t_temporary_aria (col1 INT) ENGINE = Aria TRANSACTIONAL = 0;
|
|
BACKUP STAGE FLUSH;
|
|
DROP TEMPORARY TABLE t_temporary_aria;
|
|
CREATE TEMPORARY TABLE t_temporary_aria (col1 INT) ENGINE = Aria TRANSACTIONAL = 0;
|
|
BACKUP STAGE BLOCK_DDL;
|
|
DROP TEMPORARY TABLE t_temporary_aria;
|
|
CREATE TEMPORARY TABLE t_temporary_aria (col1 INT) ENGINE = Aria TRANSACTIONAL = 0;
|
|
BACKUP STAGE BLOCK_COMMIT;
|
|
DROP TEMPORARY TABLE t_temporary_aria;
|
|
CREATE TEMPORARY TABLE t_temporary_aria (col1 INT) ENGINE = Aria TRANSACTIONAL = 0;
|
|
BACKUP STAGE END;
|
|
# Show that even more DDL on the temporary table is allowed.
|
|
BACKUP STAGE START;
|
|
TRUNCATE t_temporary_aria;
|
|
ALTER TABLE t_temporary_aria ADD COLUMN col2 INT;
|
|
ALTER TABLE t_temporary_aria ADD KEY idx(col2);
|
|
BACKUP STAGE END;
|
|
DROP TABLE t_permanent_aria;
|
|
#-----------------------------------------------------------------------
|
|
# Show that non transactional tables locks with BACKUP STAGE FLUSH
|
|
#-----------------------------------------------------------------------
|
|
set session lock_wait_timeout=default;
|
|
create table t1 (a int) engine=aria transactional=0;
|
|
insert into t1 values (1), (2);
|
|
connection con1;
|
|
backup stage start;
|
|
backup stage flush;
|
|
connection default;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
SET STATEMENT lock_wait_timeout=0 FOR INSERT INTO t1 values (3);
|
|
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
|
INSERT INTO t1 values (4);
|
|
connection con1;
|
|
backup stage end;
|
|
connection default;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
4
|
|
drop table t1;
|
|
#-----------------------------------------------------------------------
|
|
# Show that transactional tables doesn't lock with BACKUP STAGE FLUSH
|
|
#-----------------------------------------------------------------------
|
|
set session lock_wait_timeout=default;
|
|
create table t1 (a int) engine=aria transactional=1 page_checksum=1;
|
|
insert into t1 values (1), (2);
|
|
connection con1;
|
|
backup stage start;
|
|
backup stage flush;
|
|
connection default;
|
|
INSERT INTO t1 values (4);
|
|
connection con1;
|
|
backup stage end;
|
|
connection default;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
4
|
|
drop table t1;
|
|
#
|
|
# Cleanup
|
|
#
|
|
disconnect con1;
|