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-rw-r--r--mysql-test/r/alter_table.result12
1 files changed, 12 insertions, 0 deletions
diff --git a/mysql-test/r/alter_table.result b/mysql-test/r/alter_table.result
index 7ec12c1b021..ce324dc1fa8 100644
--- a/mysql-test/r/alter_table.result
+++ b/mysql-test/r/alter_table.result
@@ -412,3 +412,15 @@ t1 0 PRIMARY 1 Host A NULL NULL NULL BTREE
t1 0 PRIMARY 2 User A 0 NULL NULL BTREE
t1 1 Host 1 Host A NULL NULL NULL BTREE disabled
DROP TABLE t1;
+CREATE TABLE t1 (a int PRIMARY KEY, b INT UNIQUE);
+ALTER TABLE t1 DROP PRIMARY KEY;
+SHOW CREATE TABLE t1;
+Table Create Table
+t1 CREATE TABLE `t1` (
+ `a` int(11) NOT NULL default '0',
+ `b` int(11) default NULL,
+ UNIQUE KEY `b` (`b`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+ALTER TABLE t1 DROP PRIMARY KEY;
+ERROR 42000: Can't DROP 'PRIMARY'. Check that column/key exists
+DROP TABLE t1;