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-rw-r--r--mysql-test/t/alter_table.test4
1 files changed, 3 insertions, 1 deletions
diff --git a/mysql-test/t/alter_table.test b/mysql-test/t/alter_table.test
index 71991973105..c013b2251a9 100644
--- a/mysql-test/t/alter_table.test
+++ b/mysql-test/t/alter_table.test
@@ -249,7 +249,9 @@ DROP TABLE t1;
# Bug 2361
#
-CREATE TABLE t1 (a int UNIQUE);
+CREATE TABLE t1 (a int PRIMARY KEY, b INT UNIQUE);
ALTER TABLE t1 DROP PRIMARY KEY;
SHOW CREATE TABLE t1;
+--error 1091
+ALTER TABLE t1 DROP PRIMARY KEY;
DROP TABLE t1;