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MDEV-18098 Crash after rollback of instant DROP COLUMN

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dict_table_t::rollback_instant(): Restore dict_index_t::n_core_fields.
This commit is contained in:
Marko Mäkelä
2018-12-28 15:23:42 +02:00
parent dc90234bda
commit 6639fc3fda
4 changed files with 34 additions and 5 deletions
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8
mysql-test/suite/innodb/t/instant_alter_debug.test
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@ -302,6 +302,7 @@ DROP TABLE t1;
--echo #
--echo # MDEV-17899 Assertion failures on rollback of instant ADD/DROP
--echo # MDEV-18098 Crash after rollback of instant DROP COLUMN
--echo #
SET @save_dbug = @@SESSION.debug_dbug;
@ -320,6 +321,13 @@ DROP TABLE t1;
CREATE TABLE t1 (a int, b int) ENGINE=InnoDB;
--error ER_INTERNAL_ERROR
ALTER TABLE t1 ADD COLUMN c INT;
BEGIN;
INSERT INTO t1 VALUES(1, 1);
ROLLBACK;
--error ER_INTERNAL_ERROR
ALTER TABLE t1 DROP COLUMN b;
INSERT INTO t1 values (1,1);
SELECT * FROM t1;
DROP TABLE t1;
SET debug_dbug = @save_dbug;