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Fixed assertion Assertion `!table->pos_in_locked_tables' failed

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MDEV-17717
Assertion `!table->pos_in_locked_tables' failed in tc_release_table on
flushing RocksDB table under SERIALIZABLE
MDEV-17998
Deadlock and eventual Assertion `!table->pos_in_locked_tables' failed
in tc_release_table on KILL_TIMEOUT
MDEV-19591
Assertion `!table->pos_in_locked_tables' failed in tc_release_table upon
altering table into S3 under lock.

The problem was that thd->open_tables->pos_in_locked_tables was not reset
when alter table failed to reopen a locked table.
This commit is contained in:
Monty
2019-08-08 20:10:00 +03:00
parent dbac2039e8
commit 6765cc6077
5 changed files with 54 additions and 0 deletions
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21
mysql-test/t/kill.test
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@ -642,3 +642,24 @@ SET DEBUG_SYNC = 'RESET';
DROP FUNCTION MY_KILL;
set global sql_mode=default;
--echo #
--echo # MDEV-17998
--echo # Deadlock and eventual Assertion `!table->pos_in_locked_tables' failed
--echo # in tc_release_table on KILL_TIMEOUT
--echo #
SET max_statement_time= 2;
CREATE TABLE t1 (a INT);
CREATE VIEW v1 AS SELECT * FROM t1;
CREATE TABLE t2 (b INT, c INT);
LOCK TABLES v1 READ, t2 WRITE, t1 WRITE;
--error ER_BAD_FIELD_ERROR,ER_STATEMENT_TIMEOUT
ALTER TABLE t1 CHANGE f1 f2 DOUBLE;
--error ER_STATEMENT_TIMEOUT
ALTER TABLE t2 DROP c;
UNLOCK TABLES;
DROP VIEW v1;
DROP TABLE t1, t2;