Merge pull request #37744 from vdimir/issue_35857

Add test 02315_pmj_union_ubsan_35857

tests/queries/0_stateless/02315_pmj_union_ubsan_35857.reference

@@ -0,0 +1,2 @@
+\N
+\N

tests/queries/0_stateless/02315_pmj_union_ubsan_35857.sql

@@ -0,0 +1,24 @@
+-- Tags: no-backward-compatibility-check
+
+SET join_algorithm = 'partial_merge';
+
+SELECT NULL
+FROM
+(
+    SELECT
+        NULL,
+        1 AS a,
+        0 :: Nullable(UInt8) AS c
+    UNION ALL
+    SELECT
+        NULL,
+        65536,
+        NULL
+) AS js1
+ALL LEFT JOIN
+(
+    SELECT 2 :: Nullable(UInt8) AS a
+) AS js2
+USING (a)
+ORDER BY c
+;