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-rw-r--r--mysql-test/r/olap.result11
1 files changed, 11 insertions, 0 deletions
diff --git a/mysql-test/r/olap.result b/mysql-test/r/olap.result
index 4a54b17316d..a1d66b11f58 100644
--- a/mysql-test/r/olap.result
+++ b/mysql-test/r/olap.result
@@ -715,3 +715,14 @@ a SUM(a)
4 4
NULL 14
DROP TABLE t1;
+#
+# Bug#31095: Unexpected NULL constant caused server crash.
+#
+create table t1(a int);
+insert into t1 values (1),(2),(3);
+select count(a) from t1 group by null with rollup;
+count(a)
+3
+3
+drop table t1;
+##############################################################