1 files changed, 145 insertions, 0 deletions
diff --git a/mysql-test/main/win_empty_over.result b/mysql-test/main/win_empty_over.result
new file mode 100644
index 00000000000..a5ee74b943a
--- /dev/null
+++ b/mysql-test/main/win_empty_over.result
@@ -0,0 +1,145 @@
+create table t1 (
+pk int primary key,
+a int,
+b int,
+c char(10),
+d decimal(10, 3),
+e real
+);
+insert into t1 values
+( 1, 0, 1,    'one',    0.1,  0.001),
+( 2, 0, 2,    'two',    0.2,  0.002),
+( 3, 0, 3,    'three',  0.3,  0.003),
+( 4, 1, 2,    'three',  0.4,  0.004),
+( 5, 1, 1,    'two',    0.5,  0.005),
+( 6, 1, 1,    'one',    0.6,  0.006),
+( 7, 2, NULL, 'n_one',  0.5,  0.007),
+( 8, 2, 1,    'n_two',  NULL, 0.008),
+( 9, 2, 2,    NULL,     0.7,  0.009),
+(10, 2, 0,    'n_four', 0.8,  0.010),
+(11, 2, 10,   NULL,     0.9,  NULL);
+select pk, row_number() over () from t1;
+pk	row_number() over ()
+1	1
+2	2
+3	3
+4	4
+5	5
+6	6
+7	7
+8	8
+9	9
+10	10
+11	11
+explain FORMAT=JSON select pk, row_number() over () from t1;
+EXPLAIN
+{
+  "query_block": {
+    "select_id": 1,
+    "window_functions_computation": {
+      "sorts": {
+        "filesort": {
+          "sort_key": "pk"
+        }
+      },
+      "temporary_table": {
+        "table": {
+          "table_name": "t1",
+          "access_type": "index",
+          "key": "PRIMARY",
+          "key_length": "4",
+          "used_key_parts": ["pk"],
+          "rows": 11,
+          "filtered": 100,
+          "using_index": true
+        }
+      }
+    }
+  }
+}
+explain FORMAT=JSON select row_number() over (), pk from t1;
+EXPLAIN
+{
+  "query_block": {
+    "select_id": 1,
+    "window_functions_computation": {
+      "sorts": {
+        "filesort": {
+          "sort_key": "`row_number() over ()`"
+        }
+      },
+      "temporary_table": {
+        "table": {
+          "table_name": "t1",
+          "access_type": "index",
+          "key": "PRIMARY",
+          "key_length": "4",
+          "used_key_parts": ["pk"],
+          "rows": 11,
+          "filtered": 100,
+          "using_index": true
+        }
+      }
+    }
+  }
+}
+select row_number() over () from (select 4) as t;
+row_number() over ()
+1
+select min(a) over (), max(a) over (), a, row_number() over ()
+from t1
+where a = 0;
+min(a) over ()	max(a) over ()	a	row_number() over ()
+0	0	0	1
+0	0	0	2
+0	0	0	3
+select a, min(a) over (), max(a) over (), row_number() over ()
+from t1
+where a = 0;
+a	min(a) over ()	max(a) over ()	row_number() over ()
+0	0	0	1
+0	0	0	2
+0	0	0	3
+select min(a) over () + 1, max(a) over (), row_number() over ()
+from t1
+where a = 0;
+min(a) over () + 1	max(a) over ()	row_number() over ()
+1	0	1
+1	0	2
+1	0	3
+select min(a) over () + a, max(a) over (), row_number() over ()
+from t1
+where a = 1;
+min(a) over () + a	max(a) over ()	row_number() over ()
+2	1	1
+2	1	2
+2	1	3
+select a + min(a) over (), max(a) over (), row_number() over ()
+from t1
+where a = 1;
+a + min(a) over ()	max(a) over ()	row_number() over ()
+2	1	1
+2	1	2
+2	1	3
+select a + min(a) over () from t1 where a = 1;
+a + min(a) over ()
+2
+2
+2
+create view win_view
+as (select a, min(a) over () from t1 where a = 1);
+select * from win_view;
+a	min(a) over ()
+1	1
+1	1
+1	1
+drop view win_view;
+create view win_view
+as (select a, max(a + 1) over () from t1 where a = 1);
+select * from win_view;
+a	max(a + 1) over ()
+1	2
+1	2
+1	2
+drop view win_view;
+drop table t1;