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--source include/have_debug.inc --source include/have_debug_sync.inc --source include/have_perfschema.inc --enable_connect_log --echo ########################################################### --echo # --echo # WL#7957: MDL FOR TABLESPACES --echo # ============================ --echo # --echo # We have the following tablespace DDL operations that acquire --echo # exclusive MDL locks on tablespaces: --echo # --echo # CREATE, ALTER and DROP TABLESPACE --echo # --echo # Then, we have the following non-tablespace related DDL --echo # operations that acquire intention exclusive locks on --echo # tablespaces: --echo # --echo # CREATE, ALTER, RENAME, TRUNCATE, LOCK, DROP TABLE --echo # --echo # and --echo # --echo # CREATE, DROP INDEX --echo # --echo # Below are test cases to verify that: --echo # --echo # 1. We can *not* run DDL statements manipulating the same --echo # tablespace concurrently. --echo # 2. We can run different DDL statements manipulating different --echo # tablespaces concurrently. --echo # 3. We can run different DDL statements accessing different --echo # tables in the same tablespace concurrently. --echo # 4. We can *not* run DDL statements on tables in a given --echo # tablespace concurrently with DDL operations on the --echo # same tablespace. --echo # 5. Verify that dropping a schema with tables in various --echo # tablespaces cannot run concurrentlty with dropping the --echo # tablespaces. --echo # 6. Verify that tablespace IX locks are not acquired in --echo # the context of 'FLUSH TABLE WITH READ LOCK', --echo # 'FLUSH TABLE FOR EXPORT' or 'LOCK TABLE READ'. --echo # 7. Verify that statements 'FLUSH TABLE WITH READ LOCK', --echo # 'FLUSH TABLE FOR EXPORT' and 'LOCK TABLE READ' --echo # can run concurrently with DDL operations on the --echo # tablespace. --echo # 8. Verify that tablespace IX locks are acquired in --echo # the context of 'LOCK TABLE WRITE'. --echo # 9. Verify that table DML (e.g. SELECT ... FOR UPDATE) --echo # can run concurrently with DDL on the tablespace. --echo # 10. Verify that MDL with prepared statements works as --echo # expected, using a prepared ALTER TABLE. --echo # 11. Verify that a non-empty tablespace cannot be dropped. --echo # 12. Verify that the tablespace name length is checked --echo # properly. --echo # 13. Extend test coverage: --echo # i) Run tablespace DDL within lock tables mode. --echo # ii) Run tablespace DDL when the global read lock --echo # is taken. --echo # iii) Provoke timeout for table DDL waiting for --echo # tablespace MDL IX lock. --echo # iv) Provoke timeout for tablespace DDL waiting for --echo # tablespace MDL X lock. --echo # 14. Verify that CREATE TABLE ... LIKE statements are --echo # handled correctly, both with and without source --echo # tables in general tablespaces. --echo # 15. Verify that explicit invalid tablespace names make --echo # table related DDL be rejected. Verify that implicit --echo # invalid tablespace names (e.g., present in an .FRM --echo # file from a previous MySQL version) are ignored. --echo # 16. Verify correct P_S information. --echo ########################################################### --echo # --echo # Test setup: Create reusable connections: --echo # --connect (con1, localhost, root) --connect (con2, localhost, root) --connect (con3, localhost, root) --connect (con4, localhost, root) --connect (con5, localhost, root) --echo ########################################################### --echo # TC1. Verify that we can *not* run DDL statements manipulating --echo # the same tablespace concurrently. --echo # --echo # --echo # Start executing CREATE TABLESPACE, but wait after --echo # getting the MDL X lock on the tablespace name. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd' --echo # --echo # Start executing ALTER TABLESPACE. --connection con2 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; --send ALTER TABLESPACE ts1 ADD DATAFILE 'ts1_2.ibd' --echo # --echo # Verify that the ALTER TABLESPACE is waiting for an MDL --echo # X lock on the tablespace name (not logged). Then, signal --echo # con1 to make the CREATE TABLESPACE proceed. --connection default LET $wait_condition= SELECT COUNT(*) = 1 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'ALTER TABLESPACE%'; --source include/wait_condition.inc SET DEBUG_SYNC= 'now SIGNAL cont_con1'; --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap --connection con2 # InnoDB does not support ALTER TABLESPACE --error ER_CHECK_NOT_IMPLEMENTED --reap --connection default DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC2. Verify that we can run different DDL statements --echo # manipulating different tablespaces concurrently. --echo # --echo # --echo # First, create a tablespace. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; --echo # --echo # Start executing CREATE TABLESPACE, but wait after --echo # getting the MDL X lock on the tablespace name. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send CREATE TABLESPACE ts2 ADD DATAFILE 'ts2.ibd' --echo # --echo # Wait for con1 to get its X lock, then start executing --echo # ALTER TABLESPACE, but wait after getting the MDL X --echo # lock on the tablespace name. --connection con2 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con2 WAIT_FOR cont_con2'; --send ALTER TABLESPACE ts1 ADD DATAFILE 'ts1_2.ibd' --echo # --echo # Verify that both con1 and con2 have X locks. This will be the --echo # case when con2 signals got_lock_con2. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con2'; --echo # --echo # Then, signal both con1 to and con2 to make the execution --echo # proceed. SET DEBUG_SYNC= 'now SIGNAL cont_con1'; SET DEBUG_SYNC= 'now SIGNAL cont_con2'; --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap --connection con2 # InnoDB does not support ALTER TABLESPACE --error ER_CHECK_NOT_IMPLEMENTED --reap --connection default DROP TABLESPACE ts1; DROP TABLESPACE ts2; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC3. Verify that we can run different DDL statements --echo # accessing different tables in the same tablespace --echo # concurrently. --echo # + --echo # --echo # TC4. Verify that we can *not* run DDL statements on tables --echo # in a given tablespace concurrently with DDL operations --echo # on the same tablespace. --echo # --echo # --echo # First, create tablespaces ts1 and ts2, and tables in the --echo # tablespaces. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLESPACE ts2 ADD DATAFILE 'ts2_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; CREATE TABLE t2 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; CREATE TABLE t3 (pk INTEGER PRIMARY KEY) TABLESPACE ts2; --echo # --echo # On connection con1, truncate the table in ts2, but wait after --echo # getting IX lock on the tablespace. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send TRUNCATE TABLE t3 --echo # --echo # On connection con2, alter table t1 to use ts2 instead of ts1, --echo # but wait after getting IX lock on the tablespace. --connection con2 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock_con2 WAIT_FOR cont_con2'; --send ALTER TABLE t1 TABLESPACE ts2 --echo # --echo # On connection con3, drop table t2, but wait after getting --echo # IX lock on the tablespace. --connection con3 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con2'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock_con3 WAIT_FOR cont_con3'; --send DROP TABLE t2 --echo # --echo # On connection con4, do DROP TABLESPACE ts1, which will --echo # wait for X lock on the tablepsace name. --connection con4 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con3'; SET DEBUG_SYNC= 'now SIGNAL waiting_con4'; --send DROP TABLESPACE ts1 --echo # --echo # On connection con5, do ALTER TABLESPACE ts2, which will --echo # wait for X lock on the tablespace name. --connection con5 SET DEBUG_SYNC= 'now WAIT_FOR waiting_con4'; --send ALTER TABLESPACE ts2 ADD DATAFILE 'ts2_2.ibd' --echo # --echo # Back on the default connection, we can start unwinding the --echo # situation. First, verify that we have two threads waiting for --echo # MDL locks on tablespaces. --connection default LET $wait_condition= SELECT COUNT(*) = 2 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE '%TABLESPACE%'; --source include/wait_condition.inc --echo # --echo # Next, we signal con2 and con3 to continue. This will make --echo # all MDL IX locks on s1 be released, which again will make --echo # con4 finish. Thus, we verify that we have only one thread --echo # left waiting for MDL lcoks on tablespaces. SET DEBUG_SYNC= 'now SIGNAL cont_con2'; SET DEBUG_SYNC= 'now SIGNAL cont_con3'; LET $wait_condition= SELECT COUNT(*) = 1 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'ALTER TABLESPACE%'; --source include/wait_condition.inc --echo # --echo # Finally, signal con1 to finish, which will make all MDL --echo # locks on s2 be released. This, in its turn, will make --echo # con5 be able to continue and finish. We verify this by --echo # checking that we have no threads left waiting for MDL --echo # locks on tablespaces. SET DEBUG_SYNC= 'now SIGNAL cont_con1'; LET $wait_condition= SELECT COUNT(*) = 0 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'ALTER TABLESPACE%'; --source include/wait_condition.inc --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap --connection con2 --reap --connection con3 --reap --connection con4 --reap --connection con5 # InnoDB does not support ALTER TABLESPACE --error ER_CHECK_NOT_IMPLEMENTED --reap --connection default DROP TABLE t1; DROP TABLE t3; DROP TABLESPACE ts2; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC5. Verify that dropping a schema with tables in various --echo # tablespaces cannot run concurrentlty with dropping the --echo # tablespaces. --echo # --echo # --echo # First create two tablespaces and a schema with two tables --echo # in it, but put the tables in different tablespaces. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1.ibd'; CREATE TABLESPACE ts2 ADD DATAFILE 'ts2.ibd'; CREATE SCHEMA s1; CREATE TABLE s1.t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; CREATE TABLE s1.t2 (pk INTEGER PRIMARY KEY) TABLESPACE ts2; --echo # --echo # Next, on connection con1, issue a DROP SCHEMA but halt it --echo # after the tablespace locks have been acquired. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send DROP SCHEMA s1 --echo # --echo # Then, on connection con2 and con3, issue DROP TABLESPACE --echo # statements to drop the tablespaces of the two tables in --echo # the schema being dropped. --connection con2 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; SET DEBUG_SYNC= 'now SIGNAL go_con3'; --send DROP TABLESPACE ts1 --connection con3 SET DEBUG_SYNC= 'now WAIT_FOR go_con3'; --send DROP TABLESPACE ts2 --echo # --echo # Verify that the two DROP TABLESPACE statements are stuck --echo # waiting for MDL locks. --connection default LET $wait_condition= SELECT COUNT(*) = 2 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'DROP TABLESPACE%'; --source include/wait_condition.inc --echo # --echo # Signal connection con1 to make it continue dropping the --echo # schema. SET DEBUG_SYNC= 'now SIGNAL cont_con1'; --echo # --echo # Verify that the DROP TABLESPACE statements eventually get --echo # the MDL locks. LET $wait_condition= SELECT COUNT(*) = 0 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'DROP TABLESPACE%'; --source include/wait_condition.inc --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap --connection con2 --reap --connection con3 --reap --connection default SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC6. Verify that tablespace IX locks are not acquired in --echo # the context of 'FLUSH TABLE WITH READ LOCK', --echo # 'FLUSH TABLE FOR EXPORT' or 'LOCK TABLE READ'. --echo # --echo # First, create tablespaces ts1, ts2 and ts3, and tables in the --echo # tablespaces. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLESPACE ts2 ADD DATAFILE 'ts2_1.ibd'; CREATE TABLESPACE ts3 ADD DATAFILE 'ts3_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; CREATE TABLE t2 (pk INTEGER PRIMARY KEY) TABLESPACE ts2; CREATE TABLE t3 (pk INTEGER PRIMARY KEY) TABLESPACE ts3; --echo # --echo # Set a trap in the sync point after acquiring tablespace IX --echo # locks, and execute FLUSH TABLE WITH READ LOCK. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table HIT_LIMIT 1'; --send FLUSH TABLE t1 WITH READ LOCK --echo # --echo # Set a trap in the sync point after acquiring tablespace IX --echo # locks, and execute FLUSH TABLE FOR EXPORT. --connection con2 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table HIT_LIMIT 1'; --send FLUSH TABLE t2 FOR EXPORT --echo # --echo # Set a trap in the sync point after acquiring tablespace IX --echo # locks, and execute LOCK TABLE READ. --connection con3 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table HIT_LIMIT 1'; --send LOCK TABLE t3 READ --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap UNLOCK TABLES; --connection con2 --reap UNLOCK TABLES; --connection con3 --reap UNLOCK TABLES; --connection default DROP TABLE t1; DROP TABLESPACE ts1; DROP TABLE t2; DROP TABLESPACE ts2; DROP TABLE t3; DROP TABLESPACE ts3; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC7. Verify that statements 'FLUSH TABLE WITH READ LOCK', --echo # 'FLUSH TABLE FOR EXPORT' and 'LOCK TABLE READ' --echo # can run concurrently with operations on the --echo # tablespace. --echo # --echo # First, create tablespaces ts1, ts2 and ts3, and tables in the --echo # tablespaces. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLESPACE ts2 ADD DATAFILE 'ts2_1.ibd'; CREATE TABLESPACE ts3 ADD DATAFILE 'ts3_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; CREATE TABLE t2 (pk INTEGER PRIMARY KEY) TABLESPACE ts2; CREATE TABLE t3 (pk INTEGER PRIMARY KEY) TABLESPACE ts3; --echo # --echo # Do a tablespace operation on ts1, and park it after getting --echo # the tablespace X lock. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send ALTER TABLESPACE ts1 ADD DATAFILE 'ts1_2.ibd' --echo # --echo # Do a tablespace operation on ts2, and park it after getting --echo # the tablespace X lock. --connection con2 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con2 WAIT_FOR cont_con2'; --send ALTER TABLESPACE ts2 ADD DATAFILE 'ts2_2.ibd' --echo # --echo # Do a tablespace operation on ts3, and park it after getting --echo # the tablespace X lock. --connection con3 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con2'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con3 WAIT_FOR cont_con3'; --send ALTER TABLESPACE ts3 ADD DATAFILE 'ts3_2.ibd' --echo # --echo # Execute statements that should not be blocked --echo # even with parked tablespace DDL statements --echo # holding tablespace name X locks. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con3'; FLUSH TABLE t1 WITH READ LOCK; UNLOCK TABLES; FLUSH TABLE t2 FOR EXPORT; UNLOCK TABLES; LOCK TABLE t3 READ; UNLOCK TABLES; SET DEBUG_SYNC= 'now SIGNAL cont_con1'; SET DEBUG_SYNC= 'now SIGNAL cont_con2'; SET DEBUG_SYNC= 'now SIGNAL cont_con3'; --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --error ER_CHECK_NOT_IMPLEMENTED --reap --connection con2 --error ER_CHECK_NOT_IMPLEMENTED --reap --connection con3 --error ER_CHECK_NOT_IMPLEMENTED --reap --connection default DROP TABLE t1; DROP TABLESPACE ts1; DROP TABLE t2; DROP TABLESPACE ts2; DROP TABLE t3; DROP TABLESPACE ts3; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC8. Verify that tablespace IX locks are acquired in --echo # the context of 'LOCK TABLE WRITE'. --echo # --echo # First, create tablespace ts1 with one table. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; --echo # --echo # Set a trap in the sync point after acquiring tablespace IX --echo # locks, and execute LOCK TABLE WRITE. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send LOCK TABLE t1 WRITE --echo # --echo # Wait for con1 to get lock, then signal it to continue. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; SET DEBUG_SYNC= 'now SIGNAL cont_con1'; --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap UNLOCK TABLES; --connection default DROP TABLE t1; DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC9. Verify that table DML (e.g. SELECT ... FOR UPDATE) --echo # can run concurrently with DDL on the tablespace. --echo # --echo # First, create tablespace ts1 with one table and one row. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; INSERT INTO t1 (pk) VALUES (1); --echo # --echo # Set a trap in the sync point after acquiring tablespace X --echo # lock, and execute ALTER TABLESPACE. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send ALTER TABLESPACE ts1 ADD DATAFILE 'ts1_2.ibd' --echo # --echo # Wait for con1 to get lock, then do DML. --connection con2 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; SELECT * FROM t1 FOR UPDATE; SET DEBUG_SYNC= 'now SIGNAL done_con2'; --echo # --echo # Wait for con2 to finish, then signal con1 to continue. --connection default SET DEBUG_SYNC= 'now WAIT_FOR done_con2'; SET DEBUG_SYNC= 'now SIGNAL cont_con1'; --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 # InnoDB does not support ALTER TABLESPACE --error ER_CHECK_NOT_IMPLEMENTED --reap --connection default DROP TABLE t1; DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC10. Verify that MDL with prepared statements works as --echo # expected, using a prepared ALTER TABLE. --echo # --echo # First, create tablespace ts1 with one table. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; --echo # --echo # Set a trap in the sync point after acquiring tablespace IX --echo # lock, and prepare a statement. Set a new sync point after --echo # preparing, now expecting the sync point to be reached, and --echo # execute the prepared statement. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table HIT_LIMIT 1'; --send PREPARE stmt1 FROM 'ALTER TABLE t1 ADD COLUMN (i INTEGER)' --reap SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send EXECUTE stmt1 --echo # --echo # Wait for con1 to get the lock while executing, then signal --echo # it to continue. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; SET DEBUG_SYNC= 'now SIGNAL cont_con1'; --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap DEALLOCATE PREPARE stmt1; --connection default DROP TABLE t1; DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC11. Verify that a non-empty tablespace cannot be dropped. --echo # --echo # --echo # First, create a tablespace ts1 with one table. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; --echo # --echo # Dropping ts1 should fail. --error ER_DROP_FILEGROUP_FAILED DROP TABLESPACE ts1; --echo # --echo # Initiate a drop of table t1 and park it after --echo # acquiring IX lock on ts1. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send DROP TABLE t1 --echo # --echo # Initiate a drop of tablespace ts1 as soon as con1 --echo # got its lock. --connection con2 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1 NO_CLEAR_EVENT'; --send DROP TABLESPACE ts1 --echo # --echo # Verify that the tablespace drop is waiting --echo # for X lock on ts1. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1 NO_CLEAR_EVENT'; LET $wait_condition= SELECT COUNT(*) = 1 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'DROP TABLESPACE%'; --source include/wait_condition.inc --echo # --echo # Let the table drop continue, and verify that the --echo # tablespace drop is not waiting anymore. SET DEBUG_SYNC= 'now SIGNAL cont_con1'; LET $wait_condition= SELECT COUNT(*) = 0 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'DROP TABLESPACE%'; --source include/wait_condition.inc --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap --connection con2 --reap --connection default --error ER_DROP_FILEGROUP_FAILED DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC12. Verify that the tablespace name length is checked --echo # properly. --echo # --echo # --echo # Set UTF8 character set to allow multi byte characters. SET CHARACTER SET UTF8; --echo # --echo # An empty tablespace name should be rejected. --error ER_WRONG_TABLESPACE_NAME CREATE TABLESPACE `` ADD DATAFILE 'x.ibd'; --echo # --echo # A tablespace name up to 64 1-byte characters should be accepted. # 0 1 2 3 4 5 6 6 # 1........0.........0.........0.........0.........0.........0...4 CREATE TABLESPACE xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ADD DATAFILE 'x.ibd'; DROP TABLESPACE xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; --echo # --echo # A tablespace name of 65 1-byte characters should be rejected. --error ER_TOO_LONG_IDENT # 0 1 2 3 4 5 6 6 # 1........0.........0.........0.........0.........0.........0....5 CREATE TABLESPACE xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ADD DATAFILE 'x.ibd'; --echo # --echo # A tablespace name up to 64 2-byte characters should be accepted. # 0 1 2 3 4 5 6 6 # 1........0.........0.........0.........0.........0.........0...4 CREATE TABLESPACE `¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥` ADD DATAFILE 'x.ibd'; DROP TABLESPACE `¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥`; --echo # --echo # A tablespace name of 65 2-byte characters should be rejected. --error ER_TOO_LONG_IDENT # 0 1 2 3 4 5 6 6 # 1........0.........0.........0.........0.........0.........0....5 CREATE TABLESPACE `¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥` ADD DATAFILE 'x.ibd'; --echo # --echo # A tablespace name up to 64 3-byte characters should be accepted. # 0 1 2 3 4 5 6 6 # 1........0.........0.........0.........0.........0.........0...4 CREATE TABLESPACE `€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€` ADD DATAFILE 'x.ibd'; DROP TABLESPACE `€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€`; --echo # --echo # A tablespace name of 65 3-byte characters should be rejected. --error ER_TOO_LONG_IDENT # 0 1 2 3 4 5 6 6 # 1........0.........0.........0.........0.........0.........0....5 CREATE TABLESPACE `€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€` ADD DATAFILE 'x.ibd'; --echo # --echo # A tablespace name containing supplementary UTF characters should be rejected. --error ER_INVALID_CHARACTER_STRING CREATE TABLESPACE `a𐍈` ADD DATAFILE 'x.ibd'; --echo ########################################################### --echo # TC13. Extend test coverage: --echo # i) Run tablespace DDL within lock tables mode. --echo # ii) Run tablespace DDL when the global read lock --echo # is taken. --echo # iii) Provoke timeout for table DDL waiting for --echo # tablespace MDL IX lock. --echo # iv) Provoke timeout for tablespace DDL waiting for --echo # tablespace MDL X lock. --echo # --echo # --echo # First, create a tablespace ts1 with one table. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; --echo # --echo # Run LOCK TABLE followed by tablespace DDL, --echo # which should fail due to thd->locked_tables_mode. LOCK TABLE t1 READ; --error ER_LOCK_OR_ACTIVE_TRANSACTION ALTER TABLESPACE ts1 ADD DATAFILE 'ts1_2.ibd'; UNLOCK TABLES; --echo # --echo # Run FLUSH TABLES WITH READ LOCK followed by tablespace --echo # DDL, which should fail due to global read lock. FLUSH TABLES WITH READ LOCK; --error ER_CANT_UPDATE_WITH_READLOCK ALTER TABLESPACE ts1 ADD DATAFILE 'ts1_2.ibd'; UNLOCK TABLES; --echo # --echo # In connection 1, run tablespace DDL and park it --echo # after getting MDL X lock on the tablespace name. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send ALTER TABLESPACE ts1 ADD DATAFILE 'ts1_2.ibd' --echo # --echo # Run table DDL concurrently with a short --echo # lock wait timeout. Should be aborted due --echo # to timeout. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; SET @start_session_value= @@session.lock_wait_timeout; SET @@session.lock_wait_timeout= 1; --error ER_LOCK_WAIT_TIMEOUT DROP TABLE t1; SET DEBUG_SYNC= 'now SIGNAL cont_con1'; --echo # --echo # In connection 1, run table DDL and park it --echo # after getting MDL IX lock on the tablespace name. --connection con1 # InnoDB does not support ALTER TABLESPACE --error ER_CHECK_NOT_IMPLEMENTED --reap SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send DROP TABLE t1 --echo # --echo # Run tablespace DDL concurrently with a short --echo # lock wait timeout. Should be aborted due --echo # to timeout. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; --error ER_LOCK_WAIT_TIMEOUT DROP TABLESPACE ts1; SET DEBUG_SYNC= 'now SIGNAL cont_con1'; --echo # --echo # Reap the connections, reset DEBUG_SYNC, reset --echo # lock_wait_timeout and drop objects. --connection con1 --reap --connection default SET @@session.lock_wait_timeout= @start_session_value; DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC14. Verify that CREATE TABLE ... LIKE statements are --echo # handled correctly, both with and without source --echo # tables in general tablespaces. --echo # --echo # First, create a tablespace ts1 with one table, and --echo # another table without an explicit tablespace clause. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLE t1_src (pk INTEGER PRIMARY KEY) TABLESPACE ts1; CREATE TABLE t2_src (pk INTEGER PRIMARY KEY); --echo # --echo # Create tables like the source tables, then show the --echo # definitions, and drop the tables. CREATE TABLE t1_new LIKE t1_src; SHOW CREATE TABLE t1_new; DROP TABLE t1_new; CREATE TABLE t2_new LIKE t2_src; SHOW CREATE TABLE t2_new; DROP TABLE t2_new; --echo # --echo # Reset DEBUG_SYNC and drop objects. --connection default DROP TABLE t1_src; DROP TABLE t2_src; DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC15. Verify that explicit invalid tablespace names make --echo # table related DDL be rejected. Verify that implicit --echo # invalid tablespace names (e.g., present in an .FRM --echo # file from a previous MySQL version) are ignored. --echo # --echo # First, create a tablespace ts1 with one table. --connection default CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd'; CREATE TABLE t1 (pk INTEGER PRIMARY KEY) TABLESPACE ts1; --echo # --echo # Alter table t1 to use a tablespace with an empty name. --error ER_WRONG_TABLESPACE_NAME ALTER TABLE t1 TABLESPACE ``; --echo # --echo # Alter table t1 to use a tablespace with a name which is --echo # too long. --error ER_TOO_LONG_IDENT ALTER TABLE t1 TABLESPACE `xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx`; --echo # --echo # Create table t2 using a tablespace with an empty name. --error ER_WRONG_TABLESPACE_NAME CREATE TABLE t2 (pk INTEGER PRIMARY KEY) TABLESPACE ``; --echo # --echo # Create table t2 using a tablespace with an name which is --echo # too long. --error ER_TOO_LONG_IDENT CREATE TABLE t2 (pk INTEGER PRIMARY KEY) TABLESPACE `xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx`; --echo # --echo # Copy files for a table with an invalid name. let $MYSQLD_DATADIR= `SELECT @@datadir`; --copy_file std_data/wl7957_1.frm $MYSQLD_DATADIR/test/table_with_invalid_tablespace_name.frm --copy_file std_data/wl7957_1.MYD $MYSQLD_DATADIR/test/table_with_invalid_tablespace_name.MYD --copy_file std_data/wl7957_1.MYI $MYSQLD_DATADIR/test/table_with_invalid_tablespace_name.MYI --echo # --echo # A SHOW CREATE TABLE will omit the tablespace name in --echo # the output. SHOW CREATE TABLE table_with_invalid_tablespace_name; FLUSH TABLES; --echo # --echo # A normal SELECT will behave as usual. SELECT * FROM table_with_invalid_tablespace_name; FLUSH TABLES; --echo # --echo # CREATE TABLE LIKE will omit the invalid tablespace name --echo # when creating the new table. CREATE TABLE table_like LIKE table_with_invalid_tablespace_name; FLUSH TABLES; SHOW CREATE TABLE table_like; --echo # --echo # ALTER TABLE will ignore the invalid tablespace name. ALTER TABLE table_with_invalid_tablespace_name ENGINE=InnoDB; FLUSH TABLES; SHOW CREATE TABLE table_with_invalid_tablespace_name; --echo # --echo # Reset DEBUG_SYNC and drop objects. --connection default DROP TABLE t1; DROP TABLE table_with_invalid_tablespace_name; DROP TABLE table_like; DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # TC16. Verify correct P_S information. --echo # --echo # --echo # Start executing CREATE TABLESPACE, but wait after --echo # getting the MDL X lock on the tablespace name. --connection con1 SET DEBUG_SYNC= 'after_wait_locked_tablespace_name SIGNAL got_lock_con1 WAIT_FOR cont_con1'; --send CREATE TABLESPACE ts1 ADD DATAFILE 'ts1_1.ibd' --echo # --echo # Start executing ALTER TABLESPACE. --connection con2 SET DEBUG_SYNC= 'now WAIT_FOR got_lock_con1'; --send ALTER TABLESPACE ts1 ADD DATAFILE 'ts1_2.ibd' --echo # --echo # Verify that the ALTER TABLESPACE is waiting for an MDL --echo # X lock on the tablespace name (not logged). Then, verify --echo # that we are also seeing the correct entries in the P_S MDL --echo # and events_waits_current tables. Further, signal con1 to --echo # make the CREATE TABLESPACE proceed. --connection default LET $wait_condition= SELECT COUNT(*) = 1 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'ALTER TABLESPACE%'; --source include/wait_condition.inc LET $wait_condition= SELECT COUNT(*) = 2 FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE'; --source include/wait_condition.inc SELECT object_type, object_name, lock_type, lock_duration, lock_status FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE' ORDER BY lock_status; LET $wait_condition= SELECT COUNT(*) = 1 FROM performance_schema.events_waits_current WHERE object_type LIKE 'TABLESPACE'; --source include/wait_condition.inc SELECT event_name, object_name, object_type, operation FROM performance_schema.events_waits_current WHERE object_type LIKE 'TABLESPACE'; SET DEBUG_SYNC= 'now SIGNAL cont_con1'; --echo # --echo # Now, the tablespace MDL information will eventually be --echo # gone from both I_S and P_S, except it will remain in the --echo # P_S event wait history. LET $wait_condition= SELECT COUNT(*) = 0 FROM information_schema.processlist WHERE state LIKE 'Waiting for tablespace metadata lock' AND info LIKE 'ALTER TABLESPACE%'; --source include/wait_condition.inc LET $wait_condition= SELECT COUNT(*) = 0 FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE'; --source include/wait_condition.inc LET $wait_condition= SELECT COUNT(*) = 1 FROM performance_schema.events_waits_history WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts1'; --source include/wait_condition.inc SELECT event_name, object_name, object_type, operation FROM performance_schema.events_waits_history WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts1'; --echo # --echo # Reap the connections, reset DEBUG_SYNC and drop objects. --connection con1 --reap --connection con2 # InnoDB does not support ALTER TABLESPACE --error ER_CHECK_NOT_IMPLEMENTED --reap --connection default DROP TABLESPACE ts1; SET DEBUG_SYNC= 'RESET'; --echo ########################################################### --echo # --echo # Test teardown: Disconnect --echo # --connection con1 --disconnect con1 --source include/wait_until_disconnected.inc --connection con2 --disconnect con2 --source include/wait_until_disconnected.inc --connection con3 --disconnect con3 --source include/wait_until_disconnected.inc --connection con4 --disconnect con4 --source include/wait_until_disconnected.inc --connection con5 --disconnect con5 --source include/wait_until_disconnected.inc --connection default --disable_connect_log --echo # Bug#21376265 - ENHANCEMENT: ACQUIRE MDL LOCKS ON ALL TABLESPACE --echo # REFERRED BY A STATEMENT CREATE TABLESPACE ts1 ADD DATAFILE 'ts1.ibd'; CREATE TABLE t1 ( a INT NOT NULL, PRIMARY KEY (a) ) ENGINE=InnoDB PARTITION BY RANGE (a) PARTITIONS 1 (PARTITION P1 VALUES LESS THAN (2) TABLESPACE ts1); --connect (con1, localhost, root) --echo ############################################# --echo # Case1: Checking TRUNCATE TABLE --echo # Sending 'TRUNCATE TABLE t1;' SET DEBUG_SYNC= 'RESET'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock WAIT_FOR cont'; --send TRUNCATE TABLE t1; --echo # Verify that the tablespace name is locked. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock'; LET $wait_condition= SELECT COUNT(*) = 1 FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts1'; --source include/wait_condition.inc SET DEBUG_SYNC= 'now SIGNAL cont'; --connection con1 --echo # Reaping 'TRUNCATE TABLE t1' --reap --echo ############################################# --echo # Case2: Checking RENAME TABLE --echo # Sending 'RENAME TABLE t1 to t2;' SET DEBUG_SYNC= 'RESET'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock WAIT_FOR cont'; --send RENAME TABLE t1 to t2; --echo # Verify that the tablespace name is locked. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock'; LET $wait_condition= SELECT COUNT(*) = 1 FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts1'; --source include/wait_condition.inc SET DEBUG_SYNC= 'now SIGNAL cont'; --connection con1 --echo # Reaping 'RENAME TABLE t1 to t2' --reap # Disabling the case as the scenario dumps core on current 5.7/trunk # Bug#21755994 is raised. #--echo ############################################# #--echo # Case3: Checking ALTER TABLE #--echo # Sending 'ALTER TABLE t1 ADD COLUMN f int;' #SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table # SIGNAL got_lock # WAIT_FOR cont'; #--send ALTER TABLE t1 ADD COLUMN f int; # #--echo # Verify that the tablespace name is locked. #--connection default #SET DEBUG_SYNC= 'now WAIT_FOR got_lock'; #LET $wait_condition= # SELECT COUNT(*) = 1 FROM performance_schema.metadata_locks # WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts1'; #--source include/wait_condition.inc #SET DEBUG_SYNC= 'now SIGNAL cont'; # #--connection con1 #--echo # Reaping 'ALTER TABLE t1 ADD COLUMN f int;' #--reap # --echo ############################################# --echo # Case4: Checking CREATE TABLE SET DEBUG_SYNC= 'RESET'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock WAIT_FOR cont'; --send CREATE TABLE t3 ( a INT NOT NULL, PRIMARY KEY (a)) ENGINE=InnoDB PARTITION BY RANGE (a) PARTITIONS 1 (PARTITION P1 VALUES LESS THAN (2) TABLESPACE ts1); --echo # Verify that the tablespace name is locked. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock'; LET $wait_condition= SELECT COUNT(*) = 1 FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts1'; --source include/wait_condition.inc SET DEBUG_SYNC= 'now SIGNAL cont'; --connection con1 --echo # Reaping 'CREATE TABLE' --reap --echo ############################################# --echo # Case5: Checking CREATE TABLE LIKE SET DEBUG_SYNC= 'RESET'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock WAIT_FOR cont'; --send CREATE TABLE t4 LIKE t3; --echo # Verify that the tablespace name is locked. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock'; LET $wait_condition= SELECT COUNT(*) = 1 FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts1'; --source include/wait_condition.inc SET DEBUG_SYNC= 'now SIGNAL cont'; --connection con1 --echo # Reaping 'CREATE TABLE LIKE' --reap --echo ############################################# --echo # Case6: Checking ALTER TABLE ... PARTITION CREATE TABLESPACE ts2 ADD DATAFILE 'ts2.ibd'; SET DEBUG_SYNC= 'RESET'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock WAIT_FOR cont'; --send ALTER TABLE t2 ADD PARTITION (partition p2 values less than (4) tablespace ts2); --echo # Verify that the tablespace name is locked. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock'; LET $wait_condition= SELECT COUNT(*) = 1 FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts2'; --source include/wait_condition.inc SET DEBUG_SYNC= 'now SIGNAL cont'; --connection con1 --echo # Reaping 'ALTER TABLE' --reap --echo ############################################# --echo # Case7: Checking LOCK TABLE t2 WRITE SET DEBUG_SYNC= 'RESET'; SET DEBUG_SYNC= 'after_wait_locked_tablespace_name_for_table SIGNAL got_lock WAIT_FOR cont'; --send LOCK TABLE t2 WRITE --echo # Verify that the tablespace name is locked. --connection default SET DEBUG_SYNC= 'now WAIT_FOR got_lock'; LET $wait_condition= SELECT COUNT(*) = 1 FROM performance_schema.metadata_locks WHERE object_type LIKE 'TABLESPACE' AND object_name LIKE 'ts2'; --source include/wait_condition.inc SET DEBUG_SYNC= 'now SIGNAL cont'; --connection con1 --echo # Reaping 'LOCK TABLE' --reap UNLOCK TABLES; --echo ############################################# --echo # Case8 - A tablespace name 65 3-byte characters should --echo # be rejected, when specified for table partition. --error ER_TOO_LONG_IDENT CREATE TABLE t5 ( a INT NOT NULL, PRIMARY KEY (a) ) ENGINE=InnoDB PARTITION BY RANGE (a) PARTITIONS 1 (PARTITION P1 VALUES LESS THAN (2) TABLESPACE `€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€`); --error ER_TOO_LONG_IDENT ALTER TABLE t2 ADD PARTITION ( partition p2 values less than (4) tablespace `€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€`); --disconnect con1 --source include/wait_until_disconnected.inc --echo # Cleanup --connection default SET DEBUG_SYNC= 'RESET'; DROP TABLE t2; DROP TABLE t3; DROP TABLE t4; DROP TABLESPACE ts1; DROP TABLESPACE ts2;