1 files changed, 70 insertions, 0 deletions
diff --git a/src/test/regress/expected/merge.out b/src/test/regress/expected/merge.out
index bcd29668297..cf2219df754 100644
--- a/src/test/regress/expected/merge.out
+++ b/src/test/regress/expected/merge.out
@@ -2702,6 +2702,76 @@ SELECT * FROM new_measurement ORDER BY city_id, logdate;
        1 | 01-17-2007 |          |          
 (2 rows)
 
+-- MERGE into inheritance root table
+DROP TRIGGER insert_measurement_trigger ON measurement;
+ALTER TABLE measurement ADD CONSTRAINT mcheck CHECK (city_id = 0) NO INHERIT;
+EXPLAIN (COSTS OFF)
+MERGE INTO measurement m
+ USING (VALUES (1, '01-17-2007'::date)) nm(city_id, logdate) ON
+      (m.city_id = nm.city_id and m.logdate=nm.logdate)
+WHEN NOT MATCHED THEN INSERT
+     (city_id, logdate, peaktemp, unitsales)
+   VALUES (city_id - 1, logdate, 25, 100);
+                                QUERY PLAN                                
+--------------------------------------------------------------------------
+ Merge on measurement m
+   Merge on measurement_y2007m01 m_1
+   ->  Nested Loop Left Join
+         ->  Result
+         ->  Seq Scan on measurement_y2007m01 m_1
+               Filter: ((city_id = 1) AND (logdate = '01-17-2007'::date))
+(6 rows)
+
+BEGIN;
+MERGE INTO measurement m
+ USING (VALUES (1, '01-17-2007'::date)) nm(city_id, logdate) ON
+      (m.city_id = nm.city_id and m.logdate=nm.logdate)
+WHEN NOT MATCHED THEN INSERT
+     (city_id, logdate, peaktemp, unitsales)
+   VALUES (city_id - 1, logdate, 25, 100);
+SELECT * FROM ONLY measurement ORDER BY city_id, logdate;
+ city_id |  logdate   | peaktemp | unitsales 
+---------+------------+----------+-----------
+       0 | 07-21-2005 |       25 |        35
+       0 | 01-17-2007 |       25 |       100
+(2 rows)
+
+ROLLBACK;
+ALTER TABLE measurement ENABLE ROW LEVEL SECURITY;
+ALTER TABLE measurement FORCE ROW LEVEL SECURITY;
+CREATE POLICY measurement_p ON measurement USING (peaktemp IS NOT NULL);
+MERGE INTO measurement m
+ USING (VALUES (1, '01-17-2007'::date)) nm(city_id, logdate) ON
+      (m.city_id = nm.city_id and m.logdate=nm.logdate)
+WHEN NOT MATCHED THEN INSERT
+     (city_id, logdate, peaktemp, unitsales)
+   VALUES (city_id - 1, logdate, NULL, 100); -- should fail
+ERROR:  new row violates row-level security policy for table "measurement"
+MERGE INTO measurement m
+ USING (VALUES (1, '01-17-2007'::date)) nm(city_id, logdate) ON
+      (m.city_id = nm.city_id and m.logdate=nm.logdate)
+WHEN NOT MATCHED THEN INSERT
+     (city_id, logdate, peaktemp, unitsales)
+   VALUES (city_id - 1, logdate, 25, 100); -- ok
+SELECT * FROM ONLY measurement ORDER BY city_id, logdate;
+ city_id |  logdate   | peaktemp | unitsales 
+---------+------------+----------+-----------
+       0 | 07-21-2005 |       25 |        35
+       0 | 01-17-2007 |       25 |       100
+(2 rows)
+
+MERGE INTO measurement m
+ USING (VALUES (1, '01-18-2007'::date)) nm(city_id, logdate) ON
+      (m.city_id = nm.city_id and m.logdate=nm.logdate)
+WHEN NOT MATCHED THEN INSERT
+     (city_id, logdate, peaktemp, unitsales)
+   VALUES (city_id - 1, logdate, 25, 200)
+RETURNING merge_action(), m.*;
+ merge_action | city_id |  logdate   | peaktemp | unitsales 
+--------------+---------+------------+----------+-----------
+ INSERT       |       0 | 01-18-2007 |       25 |       200
+(1 row)
+
 DROP TABLE measurement, new_measurement CASCADE;
 NOTICE:  drop cascades to 3 other objects
 DETAIL:  drop cascades to table measurement_y2006m02