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-rw-r--r--mysql-test/suite/period/t/alter.test16
1 files changed, 16 insertions, 0 deletions
diff --git a/mysql-test/suite/period/t/alter.test b/mysql-test/suite/period/t/alter.test
index 2a82f74b670..fab933eca87 100644
--- a/mysql-test/suite/period/t/alter.test
+++ b/mysql-test/suite/period/t/alter.test
@@ -174,3 +174,19 @@ alter table t add period if not exists for ` ` (s,e);
--error ER_WRONG_COLUMN_NAME
create table t2 (period for `` (s,e)) select * from t;
drop table t;
+
+--echo #
+--echo # MDEV-21941 RENAME doesn't work for system time or period fields
+--echo #
+create or replace table t1 (
+ a int, s date, e date,
+ period for mytime(s, e));
+
+alter table t1 rename column s to x;
+alter table t1 rename column e to y;
+
+show create table t1;
+# cleanup
+drop table t1;
+
+--echo # End of 10.5 tests