1 files changed, 42 insertions, 0 deletions
diff --git a/mysql-test/r/explain_json.result b/mysql-test/r/explain_json.result
index 416f432f21d..2211c0a3ab7 100644
--- a/mysql-test/r/explain_json.result
+++ b/mysql-test/r/explain_json.result
@@ -464,4 +464,46 @@ EXPLAIN
     }
   }
 }
+#
+# Non-merged semi-join (aka JTBM)
+#
+explain format=json 
+select * from t1 where a in (select max(a) from t1 group by b);
+EXPLAIN
+{
+  "query_block": {
+    "select_id": 1,
+    "table": {
+      "table_name": "t1",
+      "access_type": "ALL",
+      "rows": 10,
+      "filtered": 100,
+      "attached_condition": "(t1.a is not null)"
+    },
+    "table": {
+      "table_name": "<subquery2>",
+      "access_type": "eq_ref",
+      "possible_keys": ["distinct_key"],
+      "key": "distinct_key",
+      "key_length": "4",
+      "used_key_parts": ["max(a)"],
+      "ref": ["test.t1.a"],
+      "rows": 1,
+      "filtered": 100,
+      "materialized": {
+        "unique": 1,
+        "query_block": {
+          "select_id": 2,
+          "table": {
+            "table_name": "t1",
+            "access_type": "ALL",
+            "rows": 10,
+            "filtered": 100
+          }
+        }
+      }
+    }
+  }
+}
+drop table t1;
 drop table t0;