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MDEV-17470 Orphan temporary files after interrupted ALTER cause InnoDB: Operating system error number 17 and eventual fatal error 71

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Orphan #sql* tables may remain after ALTER TABLE
was interrupted by timeout or KILL or client disconnect.

This is a regression caused by MDEV-16515.

Similar to temporary tables (MDEV-16647), we had better ignore the
KILL when dropping the original table in the final part of ALTER TABLE.

Closes #1020
This commit is contained in:
Eugene Kosov
2018-12-14 01:28:55 +03:00
committed by Marko Mäkelä
parent 9ad1663f78
commit c5a5eaa9a9
4 changed files with 55 additions and 4 deletions
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28
mysql-test/suite/innodb/t/innodb-alter-debug.test
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@@ -100,3 +100,31 @@ DROP TABLE t1;
# Wait till all disconnects are completed
--source include/wait_until_count_sessions.inc
--echo #
--echo # MDEV-17470 Orphan temporary files after interrupted ALTER
--echo # cause InnoDB: Operating system error number 17 and eventual
--echo # fatal error 71
--echo #
CREATE TABLE t1 (pk INT AUTO_INCREMENT PRIMARY KEY, i INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL,1),(NULL,2),(NULL,3),(NULL,4),(NULL,5),(NULL,6),(NULL,7),(NULL,8);
INSERT INTO t1 SELECT NULL, i FROM t1;
INSERT INTO t1 SELECT NULL, i FROM t1;
INSERT INTO t1 SELECT NULL, i FROM t1;
INSERT INTO t1 SELECT NULL, i FROM t1;
INSERT INTO t1 SELECT NULL, i FROM t1;
LOCK TABLE t1 READ;
--connect (con1,localhost,root,,test)
SET max_statement_time= 1;
--error ER_STATEMENT_TIMEOUT
ALTER TABLE t1 FORCE, ALGORITHM=COPY;
SET DEBUG_SYNC = 'now SIGNAL stop_waining';
--disconnect con1
--connection default
SET DEBUG_SYNC = 'now WAIT_FOR stop_waining';
UNLOCK TABLES;
DROP TABLE t1;
SET DEBUG_SYNC = 'RESET';