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MDEV-8358 ALTER TABLE .. ADD PRIMARY KEY IF NOT EXISTS -> ERROR 1068 (42000): Multiple primary key defined

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Checks for multiple primary keys added.
This commit is contained in:
Alexey Botchkov 2015-10-25 22:45:48 +04:00
commit c9185225cb
3 changed files with 33 additions and 0 deletions
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13
mysql-test/t/alter_table.test
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@ -1699,3 +1699,16 @@ alter table t1 add unique index if not exists idx(i);
alter table t1 add unique index if not exists idx(i);
show create table t1;
DROP TABLE t1;
#
# MDEV-8358 ADD PRIMARY KEY IF NOT EXISTS -> ERROR 1068 (42000): Multiple primary key
#
CREATE TABLE t1 (
`event_id` bigint(20) unsigned NOT NULL DEFAULT '0',
`market_id` bigint(20) unsigned NOT NULL DEFAULT '0',
PRIMARY KEY (`event_id`,`market_id`)
);
ALTER TABLE t1 ADD PRIMARY KEY IF NOT EXISTS event_id (event_id,market_id);
DROP TABLE t1;