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Don't allow ALTER TABLE ... ORDER BY on SEQUENCE objects

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MDEV-19320 Sequence gets corrupted and produces ER_KEY_NOT_FOUND
           (Can't find record) after ALTER .. ORDER BY
This commit is contained in:
Monty
2020-06-07 16:30:50 +03:00
parent e6a6382f15
commit a9bee9884a
3 changed files with 23 additions and 0 deletions
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11
mysql-test/suite/sql_sequence/alter.test
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@ -149,3 +149,14 @@ CREATE SEQUENCE t1 engine=innodb;
--error ER_SEQUENCE_INVALID_TABLE_STRUCTURE
ALTER IGNORE TABLE t1 ADD CHECK (start_value < minimum_value);
DROP SEQUENCE t1;
#
# MDEV-19320 Sequence gets corrupted and produces ER_KEY_NOT_FOUND (Can't
# find record) after ALTER .. ORDER BY
#
CREATE SEQUENCE s;
--error ER_SEQUENCE_INVALID_TABLE_STRUCTURE
ALTER TABLE s ORDER BY cache_size;
SELECT NEXTVAL(s);
DROP SEQUENCE s;