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-rw-r--r--mysql-test/t/func_in.test8
1 files changed, 8 insertions, 0 deletions
diff --git a/mysql-test/t/func_in.test b/mysql-test/t/func_in.test
index 2c5ed6a22d3..d8b0c89532e 100644
--- a/mysql-test/t/func_in.test
+++ b/mysql-test/t/func_in.test
@@ -408,5 +408,13 @@ select f2 from t2 where f2 in (1,'b');
explain select f2 from t2 where f2 in (1,'b');
drop table t1, t2;
+#
+# Bug #31075: crash in get_func_mm_tree
+#
+
+create table t1 (a time, key(a));
+insert into t1 values (),(),(),(),(),(),(),(),(),();
+select a from t1 where a not in (a,a,a) group by a;
+drop table t1;
--echo End of 5.1 tests