@ -184,6 +184,24 @@ INSERT INTO ro_view13 VALUES (3, 'Row 3');
ERROR: cannot insert into view "ro_view13"
DETAIL: Views that do not select from a single table or view are not automatically updatable.
HINT: To enable inserting into the view, provide an INSTEAD OF INSERT trigger or an unconditional ON INSERT DO INSTEAD rule.
MERGE INTO ro_view13 AS t USING (VALUES (1, 'Row 1')) AS v(a,b) ON t.a = v.a
WHEN MATCHED THEN DELETE;
ERROR: cannot delete from view "ro_view13"
DETAIL: Views that do not select from a single table or view are not automatically updatable.
HINT: To enable deleting from the view using MERGE, provide an INSTEAD OF DELETE trigger.
MERGE INTO ro_view13 AS t USING (VALUES (2, 'Row 2')) AS v(a,b) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = v.b;
ERROR: cannot update view "ro_view13"
DETAIL: Views that do not select from a single table or view are not automatically updatable.
HINT: To enable updating the view using MERGE, provide an INSTEAD OF UPDATE trigger.
MERGE INTO ro_view13 AS t USING (VALUES (3, 'Row 3')) AS v(a,b) ON t.a = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.a, v.b);
ERROR: cannot insert into view "ro_view13"
DETAIL: Views that do not select from a single table or view are not automatically updatable.
HINT: To enable inserting into the view using MERGE, provide an INSTEAD OF INSERT trigger.
MERGE INTO ro_view13 AS t USING (VALUES (3, 'Row 3')) AS v(a,b) ON t.a = v.a
WHEN MATCHED THEN DO NOTHING
WHEN NOT MATCHED THEN DO NOTHING; -- should be OK to do nothing
-- Partially updatable view
INSERT INTO rw_view14 VALUES (null, 3, 'Row 3'); -- should fail
ERROR: cannot insert into column "ctid" of view "rw_view14"
@ -205,6 +223,41 @@ SELECT * FROM base_tbl;
(6 rows)
DELETE FROM rw_view14 WHERE a=3; -- should be OK
MERGE INTO rw_view14 AS t
USING (VALUES (2, 'Merged row 2'), (3, 'Merged row 3')) AS v(a,b) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = v.b -- should be OK, except...
WHEN NOT MATCHED THEN INSERT VALUES (null, v.a, v.b); -- should fail
ERROR: cannot merge into column "ctid" of view "rw_view14"
DETAIL: View columns that refer to system columns are not updatable.
MERGE INTO rw_view14 AS t
USING (VALUES (2, 'Merged row 2'), (3, 'Merged row 3')) AS v(a,b) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = v.b -- should be OK
WHEN NOT MATCHED THEN INSERT (a,b) VALUES (v.a, v.b); -- should be OK
SELECT * FROM base_tbl ORDER BY a;
a | b
----+--------------
-2 | Row -2
-1 | Row -1
0 | Row 0
1 | Row 1
2 | Merged row 2
3 | Merged row 3
(6 rows)
MERGE INTO rw_view14 AS t
USING (VALUES (2, 'Row 2'), (3, 'Row 3')) AS v(a,b) ON t.a = v.a
WHEN MATCHED AND t.a = 2 THEN UPDATE SET b = v.b -- should be OK
WHEN MATCHED AND t.a = 3 THEN DELETE; -- should be OK
SELECT * FROM base_tbl ORDER BY a;
a | b
----+--------
-2 | Row -2
-1 | Row -1
0 | Row 0
1 | Row 1
2 | Row 2
(5 rows)
-- Partially updatable view
INSERT INTO rw_view15 VALUES (3, 'ROW 3'); -- should fail
ERROR: cannot insert into column "upper" of view "rw_view15"
@ -351,6 +404,10 @@ DELETE FROM rw_view16 WHERE a=2; -- should fail
ERROR: cannot delete from view "rw_view16"
DETAIL: Views with conditional DO INSTEAD rules are not automatically updatable.
HINT: To enable deleting from the view, provide an INSTEAD OF DELETE trigger or an unconditional ON DELETE DO INSTEAD rule.
MERGE INTO rw_view16 AS t USING (VALUES (3, 'Row 3')) AS v(a,b) ON t.a = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.a, v.b); -- should fail
ERROR: cannot execute MERGE on relation "rw_view16"
DETAIL: MERGE is not supported for relations with rules.
DROP TABLE base_tbl CASCADE;
NOTICE: drop cascades to 16 other objects
DETAIL: drop cascades to view ro_view1
@ -417,6 +474,23 @@ SELECT * FROM base_tbl;
5 | Unspecified
(6 rows)
MERGE INTO rw_view1 t
USING (VALUES (0, 'ROW 0'), (1, 'ROW 1'),
(2, 'ROW 2'), (3, 'ROW 3')) AS v(a,b) ON t.a = v.a
WHEN MATCHED AND t.a <= 1 THEN UPDATE SET b = v.b
WHEN MATCHED THEN DELETE
WHEN NOT MATCHED AND a > 0 THEN INSERT (a) VALUES (v.a);
SELECT * FROM base_tbl ORDER BY a;
a | b
----+-------------
-2 | Row -2
-1 | Row -1
0 | Row 0
1 | ROW 1
2 | Unspecified
5 | Unspecified
(6 rows)
EXPLAIN (costs off) UPDATE rw_view1 SET a=6 WHERE a=5;
QUERY PLAN
--------------------------------------------------
@ -433,6 +507,50 @@ EXPLAIN (costs off) DELETE FROM rw_view1 WHERE a=5;
Index Cond: ((a > 0) AND (a = 5))
(3 rows)
EXPLAIN (costs off)
MERGE INTO rw_view1 t USING (VALUES (5, 'X')) AS v(a,b) ON t.a = v.a
WHEN MATCHED THEN DELETE;
QUERY PLAN
--------------------------------------------------
Merge on base_tbl
-> Index Scan using base_tbl_pkey on base_tbl
Index Cond: ((a > 0) AND (a = 5))
(3 rows)
EXPLAIN (costs off)
MERGE INTO rw_view1 t
USING (SELECT * FROM generate_series(1,5)) AS s(a) ON t.a = s.a
WHEN MATCHED THEN UPDATE SET b = 'Updated';
QUERY PLAN
-------------------------------------------------------------------
Merge on base_tbl
-> Hash Join
Hash Cond: (base_tbl.a = generate_series.generate_series)
-> Bitmap Heap Scan on base_tbl
Recheck Cond: (a > 0)
-> Bitmap Index Scan on base_tbl_pkey
Index Cond: (a > 0)
-> Hash
-> Function Scan on generate_series
(9 rows)
EXPLAIN (costs off)
MERGE INTO rw_view1 t
USING (SELECT * FROM generate_series(1,5)) AS s(a) ON t.a = s.a
WHEN NOT MATCHED THEN INSERT (a) VALUES (s.a);
QUERY PLAN
-------------------------------------------------------------------
Merge on base_tbl
-> Hash Right Join
Hash Cond: (base_tbl.a = generate_series.generate_series)
-> Bitmap Heap Scan on base_tbl
Recheck Cond: (a > 0)
-> Bitmap Index Scan on base_tbl_pkey
Index Cond: (a > 0)
-> Hash
-> Function Scan on generate_series
(9 rows)
-- it's still updatable if we add a DO ALSO rule
CREATE TABLE base_tbl_hist(ts timestamptz default now(), a int, b text);
CREATE RULE base_tbl_log AS ON INSERT TO rw_view1 DO ALSO
@ -509,6 +627,19 @@ SELECT * FROM rw_view2;
4 | Row 4
(3 rows)
MERGE INTO rw_view2 t
USING (VALUES (3, 'R3'), (4, 'R4'), (5, 'R5')) AS v(a,b) ON aaa = v.a
WHEN MATCHED AND aaa = 3 THEN DELETE
WHEN MATCHED THEN UPDATE SET bbb = v.b
WHEN NOT MATCHED THEN INSERT (aaa) VALUES (v.a);
SELECT * FROM rw_view2 ORDER BY aaa;
aaa | bbb
-----+-------------
1 | Row 1
4 | R4
5 | Unspecified
(3 rows)
EXPLAIN (costs off) UPDATE rw_view2 SET aaa=5 WHERE aaa=4;
QUERY PLAN
--------------------------------------------------------
@ -701,6 +832,10 @@ SELECT * FROM rw_view2;
2 | Row 2
(2 rows)
MERGE INTO rw_view2 t USING (VALUES (3, 'Row 3')) AS v(a,b) ON t.a = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.a, v.b); -- should fail
ERROR: cannot execute MERGE on relation "rw_view1"
DETAIL: MERGE is not supported for relations with rules.
EXPLAIN (costs off) UPDATE rw_view2 SET a=3 WHERE a=2;
QUERY PLAN
----------------------------------------------------------------
@ -932,6 +1067,21 @@ SELECT * FROM rw_view2;
2 | Row 2
(2 rows)
MERGE INTO rw_view2 t
USING (SELECT x, 'R'||x FROM generate_series(0,3) x) AS s(a,b) ON t.a = s.a
WHEN MATCHED AND t.a <= 1 THEN DELETE
WHEN MATCHED THEN UPDATE SET b = s.b
WHEN NOT MATCHED AND s.a > 0 THEN INSERT VALUES (s.a, s.b);
SELECT * FROM base_tbl ORDER BY a;
a | b
----+--------
-2 | Row -2
-1 | Row -1
0 | Row 0
2 | R2
3 | R3
(5 rows)
EXPLAIN (costs off) UPDATE rw_view2 SET a=3 WHERE a=2;
QUERY PLAN
----------------------------------------------------------
@ -956,6 +1106,76 @@ EXPLAIN (costs off) DELETE FROM rw_view2 WHERE a=2;
Index Cond: (a > 0)
(7 rows)
EXPLAIN (costs off)
MERGE INTO rw_view2 t
USING (SELECT x, 'R'||x FROM generate_series(0,3) x) AS s(a,b) ON t.a = s.a
WHEN MATCHED AND t.a <= 1 THEN DELETE
WHEN MATCHED THEN UPDATE SET b = s.b
WHEN NOT MATCHED AND s.a > 0 THEN INSERT VALUES (s.a, s.b);
QUERY PLAN
------------------------------------------------------------
Merge on rw_view1 rw_view1_1
-> Hash Right Join
Hash Cond: (rw_view1.a = x.x)
-> Subquery Scan on rw_view1
Filter: (rw_view1.a < 10)
-> Bitmap Heap Scan on base_tbl
Recheck Cond: (a > 0)
-> Bitmap Index Scan on base_tbl_pkey
Index Cond: (a > 0)
-> Hash
-> Function Scan on generate_series x
(11 rows)
-- MERGE with incomplete set of INSTEAD OF triggers
DROP TRIGGER rw_view1_del_trig ON rw_view1;
MERGE INTO rw_view2 t
USING (SELECT x, 'R'||x FROM generate_series(0,3) x) AS s(a,b) ON t.a = s.a
WHEN MATCHED AND t.a <= 1 THEN DELETE
WHEN MATCHED THEN UPDATE SET b = s.b
WHEN NOT MATCHED AND s.a > 0 THEN INSERT VALUES (s.a, s.b); -- should fail
ERROR: cannot delete from view "rw_view1"
DETAIL: Views containing LIMIT or OFFSET are not automatically updatable.
HINT: To enable deleting from the view using MERGE, provide an INSTEAD OF DELETE trigger.
MERGE INTO rw_view2 t
USING (SELECT x, 'R'||x FROM generate_series(0,3) x) AS s(a,b) ON t.a = s.a
WHEN MATCHED THEN UPDATE SET b = s.b
WHEN NOT MATCHED AND s.a > 0 THEN INSERT VALUES (s.a, s.b); -- ok
DROP TRIGGER rw_view1_ins_trig ON rw_view1;
MERGE INTO rw_view2 t
USING (SELECT x, 'R'||x FROM generate_series(0,3) x) AS s(a,b) ON t.a = s.a
WHEN MATCHED THEN UPDATE SET b = s.b
WHEN NOT MATCHED AND s.a > 0 THEN INSERT VALUES (s.a, s.b); -- should fail
ERROR: cannot insert into view "rw_view1"
DETAIL: Views containing LIMIT or OFFSET are not automatically updatable.
HINT: To enable inserting into the view using MERGE, provide an INSTEAD OF INSERT trigger.
MERGE INTO rw_view2 t
USING (SELECT x, 'R'||x FROM generate_series(0,3) x) AS s(a,b) ON t.a = s.a
WHEN MATCHED THEN UPDATE SET b = s.b; -- ok
-- MERGE with INSTEAD OF triggers on auto-updatable view
CREATE TRIGGER rw_view2_upd_trig INSTEAD OF UPDATE ON rw_view2
FOR EACH ROW EXECUTE PROCEDURE rw_view1_trig_fn();
MERGE INTO rw_view2 t
USING (SELECT x, 'R'||x FROM generate_series(0,3) x) AS s(a,b) ON t.a = s.a
WHEN MATCHED THEN UPDATE SET b = s.b
WHEN NOT MATCHED AND s.a > 0 THEN INSERT VALUES (s.a, s.b); -- should fail
ERROR: cannot merge into view "rw_view2"
DETAIL: MERGE is not supported for views with INSTEAD OF triggers for some actions, but not others.
HINT: To enable merging into the view, either provide a full set of INSTEAD OF triggers or drop the existing INSTEAD OF triggers.
MERGE INTO rw_view2 t
USING (SELECT x, 'R'||x FROM generate_series(0,3) x) AS s(a,b) ON t.a = s.a
WHEN MATCHED THEN UPDATE SET b = s.b; -- ok
SELECT * FROM base_tbl ORDER BY a;
a | b
----+--------
-2 | Row -2
-1 | Row -1
0 | Row 0
1 | R1
2 | R2
3 | R3
(6 rows)
DROP TABLE base_tbl CASCADE;
NOTICE: drop cascades to 2 other objects
DETAIL: drop cascades to view rw_view1
@ -1041,6 +1261,14 @@ INSERT INTO rw_view1 VALUES ('Row 3', 3.0, 3); -- not allowed
ERROR: permission denied for view rw_view1
INSERT INTO rw_view2 VALUES ('Row 3', 3.0, 3); -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t
USING (VALUES ('Row 3', 3.0, 3)) AS v(b,c,a) ON t.aa = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.b, v.c, v.a); -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t
USING (VALUES ('Row 3', 3.0, 3)) AS v(b,c,a) ON t.aa = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.b, v.c, v.a); -- not allowed
ERROR: permission denied for table base_tbl
UPDATE base_tbl SET a=a, c=c; -- ok
UPDATE base_tbl SET b=b; -- not allowed
ERROR: permission denied for table base_tbl
@ -1050,6 +1278,16 @@ ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET aa=aa, cc=cc; -- ok
UPDATE rw_view2 SET bb=bb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET bb = bb, cc = cc; -- ok
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET aa = aa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET aa = aa, cc = cc; -- ok
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET bb = bb; -- not allowed
ERROR: permission denied for table base_tbl
DELETE FROM base_tbl; -- not allowed
ERROR: permission denied for table base_tbl
DELETE FROM rw_view1; -- not allowed
@ -1069,6 +1307,11 @@ DELETE FROM base_tbl WHERE a=1; -- ok
DELETE FROM rw_view1 WHERE aa=2; -- not allowed
ERROR: permission denied for view rw_view1
DELETE FROM rw_view2 WHERE aa=2; -- ok
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED AND bb = 'xxx' THEN DELETE; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED AND bb = 'xxx' THEN DELETE; -- ok
SELECT * FROM base_tbl;
a | b | c
---+-------+---
@ -1092,6 +1335,11 @@ ERROR: permission denied for table base_tbl
DELETE FROM rw_view1 WHERE aa=3; -- ok
DELETE FROM rw_view2 WHERE aa=4; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED AND bb = 'xxx' THEN DELETE; -- ok
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED AND bb = 'xxx' THEN DELETE; -- not allowed
ERROR: permission denied for table base_tbl
SELECT * FROM base_tbl;
a | b | c
---+-------+---
@ -1115,6 +1363,9 @@ SELECT * FROM rw_view1 FOR UPDATE; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view1 SET b = 'foo' WHERE a = 1; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'foo'; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user2;
CREATE VIEW rw_view2 AS SELECT * FROM rw_view1;
SELECT * FROM rw_view2; -- not allowed
@ -1123,6 +1374,9 @@ SELECT * FROM rw_view2 FOR UPDATE; -- not allowed
ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET b = 'bar' WHERE a = 1; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'foo'; -- not allowed
ERROR: permission denied for view rw_view1
RESET SESSION AUTHORIZATION;
GRANT SELECT ON base_tbl TO regress_view_user1;
SET SESSION AUTHORIZATION regress_view_user1;
@ -1136,6 +1390,9 @@ SELECT * FROM rw_view1 FOR UPDATE; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view1 SET b = 'foo' WHERE a = 1; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'foo'; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user2;
SELECT * FROM rw_view2; -- not allowed
ERROR: permission denied for view rw_view1
@ -1143,6 +1400,9 @@ SELECT * FROM rw_view2 FOR UPDATE; -- not allowed
ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET b = 'bar' WHERE a = 1; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'foo'; -- not allowed
ERROR: permission denied for view rw_view1
SET SESSION AUTHORIZATION regress_view_user1;
GRANT SELECT ON rw_view1 TO regress_view_user2;
SET SESSION AUTHORIZATION regress_view_user2;
@ -1156,6 +1416,9 @@ SELECT * FROM rw_view2 FOR UPDATE; -- not allowed
ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET b = 'bar' WHERE a = 1; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'foo'; -- not allowed
ERROR: permission denied for view rw_view1
RESET SESSION AUTHORIZATION;
GRANT UPDATE ON base_tbl TO regress_view_user1;
SET SESSION AUTHORIZATION regress_view_user1;
@ -1172,6 +1435,8 @@ SELECT * FROM rw_view1 FOR UPDATE;
(1 row)
UPDATE rw_view1 SET b = 'foo' WHERE a = 1;
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'foo';
SET SESSION AUTHORIZATION regress_view_user2;
SELECT * FROM rw_view2;
a | b | c
@ -1183,6 +1448,9 @@ SELECT * FROM rw_view2 FOR UPDATE; -- not allowed
ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET b = 'bar' WHERE a = 1; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'bar'; -- not allowed
ERROR: permission denied for view rw_view1
SET SESSION AUTHORIZATION regress_view_user1;
GRANT UPDATE ON rw_view1 TO regress_view_user2;
SET SESSION AUTHORIZATION regress_view_user2;
@ -1199,30 +1467,38 @@ SELECT * FROM rw_view2 FOR UPDATE;
(1 row)
UPDATE rw_view2 SET b = 'bar' WHERE a = 1;
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'fud';
RESET SESSION AUTHORIZATION;
REVOKE UPDATE ON base_tbl FROM regress_view_user1;
SET SESSION AUTHORIZATION regress_view_user1;
SELECT * FROM rw_view1;
a | b | c
---+-----+---
1 | bar | 1
1 | fud | 1
(1 row)
SELECT * FROM rw_view1 FOR UPDATE; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view1 SET b = 'foo' WHERE a = 1; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'foo'; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user2;
SELECT * FROM rw_view2;
a | b | c
---+-----+---
1 | bar | 1
1 | fud | 1
(1 row)
SELECT * FROM rw_view2 FOR UPDATE; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET b = 'bar' WHERE a = 1; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET b = 'foo'; -- not allowed
ERROR: permission denied for table base_tbl
RESET SESSION AUTHORIZATION;
DROP TABLE base_tbl CASCADE;
NOTICE: drop cascades to 2 other objects
@ -1250,10 +1526,16 @@ UPDATE base_tbl SET a=a; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view1 SET bb=bb, cc=cc; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET bb = bb; -- not allowed
ERROR: permission denied for table base_tbl
DELETE FROM base_tbl; -- not allowed
ERROR: permission denied for table base_tbl
DELETE FROM rw_view1; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN DELETE; -- not allowed
ERROR: permission denied for view rw_view1
SET SESSION AUTHORIZATION regress_view_user1;
GRANT SELECT ON base_tbl TO regress_view_user2;
GRANT UPDATE (a,c) ON base_tbl TO regress_view_user2;
@ -1276,10 +1558,18 @@ UPDATE base_tbl SET a=a, c=c; -- ok
UPDATE base_tbl SET b=b; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view1 SET cc=cc; -- ok
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET cc = cc; -- ok
UPDATE rw_view1 SET aa=aa; -- not allowed
ERROR: permission denied for view rw_view1
UPDATE rw_view1 SET bb=bb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET aa = aa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET bb = bb; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user1;
GRANT INSERT, DELETE ON base_tbl TO regress_view_user2;
SET SESSION AUTHORIZATION regress_view_user2;
@ -1289,6 +1579,9 @@ ERROR: permission denied for view rw_view1
DELETE FROM base_tbl WHERE a=1; -- ok
DELETE FROM rw_view1 WHERE aa=2; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN DELETE; -- not allowed
ERROR: permission denied for view rw_view1
SET SESSION AUTHORIZATION regress_view_user1;
REVOKE INSERT, DELETE ON base_tbl FROM regress_view_user2;
GRANT INSERT, DELETE ON rw_view1 TO regress_view_user2;
@ -1297,17 +1590,21 @@ INSERT INTO rw_view1 VALUES ('Row 4', 4.0, 4); -- not allowed
ERROR: permission denied for table base_tbl
DELETE FROM rw_view1 WHERE aa=2; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN DELETE; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user1;
GRANT INSERT, DELETE ON base_tbl TO regress_view_user2;
SET SESSION AUTHORIZATION regress_view_user2;
INSERT INTO rw_view1 VALUES ('Row 4', 4.0, 4); -- ok
DELETE FROM rw_view1 WHERE aa=2; -- ok
MERGE INTO rw_view1 t USING (VALUES (3)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN DELETE; -- ok
SELECT * FROM base_tbl; -- ok
a | b | c
---+-------+---
3 | Row 3 | 3
4 | Row 4 | 4
(2 rows )
(1 row )
RESET SESSION AUTHORIZATION;
DROP TABLE base_tbl CASCADE;
@ -1322,6 +1619,9 @@ SELECT * FROM rw_view1; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view1 SET aa=aa; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (2, 'Row 2', 2.0)) AS v(a,b,c) ON t.aa = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.b, v.c, v.a); -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user2;
CREATE VIEW rw_view2 AS SELECT cc AS ccc, aa AS aaa, bb AS bbb FROM rw_view1;
GRANT SELECT, UPDATE ON rw_view2 TO regress_view_user3;
@ -1329,6 +1629,9 @@ SELECT * FROM rw_view2; -- not allowed
ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET aaa=aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (2, 'Row 2', 2.0)) AS v(a,b,c) ON t.aaa = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.c, v.a, v.b); -- not allowed
ERROR: permission denied for view rw_view1
RESET SESSION AUTHORIZATION;
GRANT SELECT ON base_tbl TO regress_view_user1;
GRANT UPDATE (a, b) ON base_tbl TO regress_view_user1;
@ -1342,16 +1645,27 @@ SELECT * FROM rw_view1; -- ok
UPDATE rw_view1 SET aa=aa, bb=bb; -- ok
UPDATE rw_view1 SET cc=cc; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET aa = aa, bb = bb; -- ok
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET cc = cc; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user2;
SELECT * FROM rw_view2; -- not allowed
ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET aaa=aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
SET SESSION AUTHORIZATION regress_view_user3;
SELECT * FROM rw_view2; -- not allowed
ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET aaa=aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
SET SESSION AUTHORIZATION regress_view_user1;
GRANT SELECT ON rw_view1 TO regress_view_user2;
GRANT UPDATE (bb, cc) ON rw_view1 TO regress_view_user2;
@ -1360,11 +1674,17 @@ SELECT * FROM rw_view2; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user3;
SELECT * FROM rw_view2; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
RESET SESSION AUTHORIZATION;
GRANT SELECT ON base_tbl TO regress_view_user2;
GRANT UPDATE (a, c) ON base_tbl TO regress_view_user2;
@ -1380,6 +1700,14 @@ ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET ccc=ccc; -- ok
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET ccc = ccc; -- ok
SET SESSION AUTHORIZATION regress_view_user3;
SELECT * FROM rw_view2; -- not allowed
ERROR: permission denied for table base_tbl
@ -1389,6 +1717,15 @@ UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET ccc=ccc; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET ccc = ccc; -- not allowed
ERROR: permission denied for table base_tbl
RESET SESSION AUTHORIZATION;
GRANT SELECT ON base_tbl TO regress_view_user3;
GRANT UPDATE (a, c) ON base_tbl TO regress_view_user3;
@ -1404,6 +1741,14 @@ ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET ccc=ccc; -- ok
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET ccc = ccc; -- ok
RESET SESSION AUTHORIZATION;
REVOKE SELECT, UPDATE ON base_tbl FROM regress_view_user1;
SET SESSION AUTHORIZATION regress_view_user1;
@ -1411,6 +1756,9 @@ SELECT * FROM rw_view1; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view1 SET aa=aa; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.aa = v.a
WHEN MATCHED THEN UPDATE SET aa = aa; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user2;
SELECT * FROM rw_view2; -- ok
ccc | aaa | bbb
@ -1423,6 +1771,14 @@ ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET ccc=ccc; -- ok
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET ccc = ccc; -- ok
SET SESSION AUTHORIZATION regress_view_user3;
SELECT * FROM rw_view2; -- ok
ccc | aaa | bbb
@ -1435,6 +1791,14 @@ ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET ccc=ccc; -- ok
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET ccc = ccc; -- ok
RESET SESSION AUTHORIZATION;
REVOKE SELECT, UPDATE ON base_tbl FROM regress_view_user2;
SET SESSION AUTHORIZATION regress_view_user2;
@ -1446,6 +1810,15 @@ UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET ccc=ccc; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET ccc = ccc; -- not allowed
ERROR: permission denied for table base_tbl
SET SESSION AUTHORIZATION regress_view_user3;
SELECT * FROM rw_view2; -- ok
ccc | aaa | bbb
@ -1458,6 +1831,14 @@ ERROR: permission denied for view rw_view1
UPDATE rw_view2 SET bbb=bbb; -- not allowed
ERROR: permission denied for table base_tbl
UPDATE rw_view2 SET ccc=ccc; -- ok
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET aaa = aaa; -- not allowed
ERROR: permission denied for view rw_view1
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET bbb = bbb; -- not allowed
ERROR: permission denied for table base_tbl
MERGE INTO rw_view2 t USING (VALUES (1)) AS v(a) ON t.aaa = v.a
WHEN MATCHED THEN UPDATE SET ccc = ccc; -- ok
RESET SESSION AUTHORIZATION;
DROP TABLE base_tbl CASCADE;
NOTICE: drop cascades to 2 other objects
@ -1475,6 +1856,8 @@ CREATE VIEW rw_view1 AS SELECT a AS aa, b AS bb FROM base_tbl;
ALTER VIEW rw_view1 ALTER COLUMN bb SET DEFAULT 'View default';
INSERT INTO rw_view1 VALUES (4, 'Row 4');
INSERT INTO rw_view1 (aa) VALUES (5);
MERGE INTO rw_view1 t USING (VALUES (6)) AS v(a) ON t.aa = v.a
WHEN NOT MATCHED THEN INSERT (aa) VALUES (v.a);
SELECT * FROM base_tbl;
a | b | c
---+--------------+---
@ -1483,7 +1866,8 @@ SELECT * FROM base_tbl;
3 | Unspecified | 3
4 | Row 4 | 4
5 | View default | 5
(5 rows)
6 | View default | 6
(6 rows)
DROP TABLE base_tbl CASCADE;
NOTICE: drop cascades to view rw_view1
@ -1857,6 +2241,38 @@ SELECT * FROM base_tbl_child ORDER BY a;
20
(6 rows)
MERGE INTO rw_view1 t USING (VALUES (-200), (10)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET a = t.a+1; -- Should produce -199 and 11
MERGE INTO ONLY rw_view1 t USING (VALUES (-100), (20)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET a = t.a+1; -- Should produce -99 and 21
MERGE INTO rw_view2 t USING (VALUES (-40), (3)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET a = t.a+1; -- Should produce -39 only
MERGE INTO ONLY rw_view2 t USING (VALUES (-30), (4)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET a = t.a+1; -- Should produce -29 only
SELECT * FROM ONLY base_tbl_parent ORDER BY a;
a
------
-199
-99
-39
-29
-20
-10
100
200
(8 rows)
SELECT * FROM base_tbl_child ORDER BY a;
a
----
3
4
7
8
11
21
(6 rows)
CREATE TABLE other_tbl_parent (id int);
CREATE TABLE other_tbl_child () INHERITS (other_tbl_parent);
INSERT INTO other_tbl_parent VALUES (7),(200);
@ -1886,10 +2302,10 @@ UPDATE rw_view1 SET a = a + 1000 FROM other_tbl_parent WHERE a = id;
SELECT * FROM ONLY base_tbl_parent ORDER BY a;
a
------
-200
-100
-40
-30
-199
-99
-39
-29
-20
-10
1100
@ -1901,8 +2317,8 @@ SELECT * FROM base_tbl_child ORDER BY a;
------
3
4
10
20
11
21
1007
1008
(6 rows)
@ -1955,16 +2371,39 @@ INSERT INTO rw_view1(a) VALUES (9); -- ok
INSERT INTO rw_view1(a) VALUES (10); -- should fail
ERROR: new row violates check option for view "rw_view1"
DETAIL: Failing row contains (10, 10).
SELECT * FROM base_tbl;
SELECT * FROM base_tbl ORDER BY a, b ;
a | b
---+----
1 | -1
1 | 2
2 | 3
1 | -1
3 | 5
9 | 10
(5 rows)
MERGE INTO rw_view1 t USING (VALUES (10)) AS v(a) ON t.a = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.a, v.a + 1); -- ok
MERGE INTO rw_view1 t USING (VALUES (11)) AS v(a) ON t.a = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.a, v.a - 1); -- should fail
ERROR: new row violates check option for view "rw_view1"
DETAIL: Failing row contains (11, 10).
MERGE INTO rw_view1 t USING (VALUES (1)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET a = t.a - 1; -- ok
MERGE INTO rw_view1 t USING (VALUES (2)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET a = t.a + 1; -- should fail
ERROR: new row violates check option for view "rw_view1"
DETAIL: Failing row contains (3, 3).
SELECT * FROM base_tbl ORDER BY a, b;
a | b
----+----
0 | 2
1 | -1
2 | 3
3 | 5
9 | 10
10 | 11
(6 rows)
DROP TABLE base_tbl CASCADE;
NOTICE: drop cascades to view rw_view1
-- WITH LOCAL/CASCADED CHECK OPTION
@ -2228,17 +2667,31 @@ CREATE VIEW rw_view2 AS
INSERT INTO rw_view2 VALUES (-5); -- should fail
ERROR: new row violates check option for view "rw_view2"
DETAIL: Failing row contains (-5).
MERGE INTO rw_view2 t USING (VALUES (-5)) AS v(a) ON t.a = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.a); -- should fail
ERROR: new row violates check option for view "rw_view2"
DETAIL: Failing row contains (-5).
INSERT INTO rw_view2 VALUES (5); -- ok
MERGE INTO rw_view2 t USING (VALUES (6)) AS v(a) ON t.a = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.a); -- ok
INSERT INTO rw_view2 VALUES (50); -- ok, but not in view
MERGE INTO rw_view2 t USING (VALUES (60)) AS v(a) ON t.a = v.a
WHEN NOT MATCHED THEN INSERT VALUES (v.a); -- ok, but not in view
UPDATE rw_view2 SET a = a - 10; -- should fail
ERROR: new row violates check option for view "rw_view2"
DETAIL: Failing row contains (-5).
MERGE INTO rw_view2 t USING (VALUES (6)) AS v(a) ON t.a = v.a
WHEN MATCHED THEN UPDATE SET a = t.a - 10; -- should fail
ERROR: new row violates check option for view "rw_view2"
DETAIL: Failing row contains (-4).
SELECT * FROM base_tbl;
a | b
----+----
5 | 10
6 | 10
50 | 10
(2 rows)
60 | 10
(4 rows)
-- Check option won't cascade down to base view with INSTEAD OF triggers
ALTER VIEW rw_view2 SET (check_option=cascaded);
@ -2247,10 +2700,12 @@ UPDATE rw_view2 SET a = 200 WHERE a = 5; -- ok, but not in view (doesn't fail rw
SELECT * FROM base_tbl;
a | b
-----+----
6 | 10
50 | 10
60 | 10
100 | 10
200 | 10
(3 rows)
(5 rows)
-- Neither local nor cascaded check options work with INSTEAD rules
DROP TRIGGER rw_view1_trig ON rw_view1;
@ -2267,14 +2722,16 @@ UPDATE rw_view2 SET a = -5 WHERE a = 5; -- ok, but not in view (doesn't fail rw_
SELECT * FROM base_tbl;
a | b
-----+----
6 | 10
50 | 10
60 | 10
100 | 10
200 | 10
-10 | 10
20 | 10
30 | 10
-5 | 10
(7 rows)
(9 rows)
DROP TABLE base_tbl CASCADE;
NOTICE: drop cascades to 2 other objects
@ -2375,6 +2832,11 @@ NOTICE: snooped value: Harry
DELETE FROM rw_view1 WHERE NOT snoop(person);
NOTICE: snooped value: Tom
NOTICE: snooped value: Harry
MERGE INTO rw_view1 t
USING (VALUES ('Tom'), ('Dick'), ('Harry')) AS v(person) ON t.person = v.person
WHEN MATCHED AND snoop(t.person) THEN UPDATE SET person = v.person;
NOTICE: snooped value: Tom
NOTICE: snooped value: Harry
EXPLAIN (costs off) SELECT * FROM rw_view1 WHERE snoop(person);
QUERY PLAN
-----------------------------------------------
@ -2400,6 +2862,21 @@ EXPLAIN (costs off) DELETE FROM rw_view1 WHERE NOT snoop(person);
Filter: ((visibility = 'public'::text) AND (NOT snoop(person)))
(3 rows)
EXPLAIN (costs off)
MERGE INTO rw_view1 t
USING (VALUES ('Tom'), ('Dick'), ('Harry')) AS v(person) ON t.person = v.person
WHEN MATCHED AND snoop(t.person) THEN UPDATE SET person = v.person;
QUERY PLAN
-------------------------------------------------------------
Merge on base_tbl
-> Nested Loop
Join Filter: (base_tbl.person = "*VALUES*".column1)
-> Seq Scan on base_tbl
Filter: (visibility = 'public'::text)
-> Materialize
-> Values Scan on "*VALUES*"
(7 rows)
-- security barrier view on top of security barrier view
CREATE VIEW rw_view2 WITH (security_barrier = true) AS
SELECT * FROM rw_view1 WHERE snoop(person);
@ -2449,6 +2926,13 @@ NOTICE: snooped value: Tom
NOTICE: snooped value: Tom
NOTICE: snooped value: Harry
NOTICE: snooped value: Harry
MERGE INTO rw_view2 t
USING (VALUES ('Tom'), ('Dick'), ('Harry')) AS v(person) ON t.person = v.person
WHEN MATCHED AND snoop(t.person) THEN UPDATE SET person = v.person;
NOTICE: snooped value: Tom
NOTICE: snooped value: Tom
NOTICE: snooped value: Harry
NOTICE: snooped value: Harry
EXPLAIN (costs off) SELECT * FROM rw_view2 WHERE snoop(person);
QUERY PLAN
-----------------------------------------------------
@ -2476,6 +2960,20 @@ EXPLAIN (costs off) DELETE FROM rw_view2 WHERE NOT snoop(person);
Filter: ((visibility = 'public'::text) AND snoop(person) AND (NOT snoop(person)))
(3 rows)
EXPLAIN (costs off)
MERGE INTO rw_view2 t
USING (VALUES ('Tom'), ('Dick'), ('Harry')) AS v(person) ON t.person = v.person
WHEN MATCHED AND snoop(t.person) THEN UPDATE SET person = v.person;
QUERY PLAN
-------------------------------------------------------------------------
Merge on base_tbl
-> Nested Loop
Join Filter: (base_tbl.person = "*VALUES*".column1)
-> Seq Scan on base_tbl
Filter: ((visibility = 'public'::text) AND snoop(person))
-> Values Scan on "*VALUES*"
(6 rows)
DROP TABLE base_tbl CASCADE;
NOTICE: drop cascades to 2 other objects
DETAIL: drop cascades to view rw_view1
@ -2941,6 +3439,29 @@ create view uv_ptv_wco as select * from uv_pt where a = 0 with check option;
insert into uv_ptv_wco values (1, 2);
ERROR: new row violates check option for view "uv_ptv_wco"
DETAIL: Failing row contains (1, 2, null).
merge into uv_ptv t
using (values (1,2), (1,4)) as v(a,b) on t.a = v.a -- fail: matches 2 src rows
when matched then update set b = t.b + 1
when not matched then insert values (v.a, v.b + 1);
ERROR: MERGE command cannot affect row a second time
HINT: Ensure that not more than one source row matches any one target row.
merge into uv_ptv t
using (values (1,2), (1,4)) as v(a,b) on t.a = v.a and t.b = v.b
when matched then update set b = t.b + 1
when not matched then insert values (v.a, v.b + 1); -- fail: no partition for b=5
ERROR: no partition of relation "uv_pt1" found for row
DETAIL: Partition key of the failing row contains (b) = (5).
merge into uv_ptv t
using (values (1,2), (1,3)) as v(a,b) on t.a = v.a and t.b = v.b
when matched then update set b = t.b + 1
when not matched then insert values (v.a, v.b + 1); -- ok
select tableoid::regclass, * from uv_pt order by a, b;
tableoid | a | b | v
----------+---+---+---
uv_pt11 | 1 | 3 |
uv_pt11 | 1 | 4 |
(2 rows)
drop view uv_ptv, uv_ptv_wco;
drop table uv_pt, uv_pt1, uv_pt11;
-- check that wholerow vars appearing in WITH CHECK OPTION constraint expressions
Dean Rasheed
2 years ago