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--
-- Test INSERT/UPDATE/DELETE RETURNING
--
-- Simple cases
CREATE TEMP TABLE foo (f1 serial, f2 text, f3 int default 42);
INSERT INTO foo (f2,f3)
VALUES ('test', DEFAULT), ('More', 11), (upper('more'), 7+9)
RETURNING *, f1+f3 AS sum;
SELECT * FROM foo;
UPDATE foo SET f2 = lower(f2), f3 = DEFAULT RETURNING foo.*, f1+f3 AS sum13;
SELECT * FROM foo;
DELETE FROM foo WHERE f1 > 2 RETURNING f3, f2, f1, least(f1,f3);
SELECT * FROM foo;
-- Subplans and initplans in the RETURNING list
INSERT INTO foo SELECT f1+10, f2, f3+99 FROM foo
RETURNING *, f1+112 IN (SELECT q1 FROM int8_tbl) AS subplan,
EXISTS(SELECT * FROM int4_tbl) AS initplan;
UPDATE foo SET f3 = f3 * 2
WHERE f1 > 10
RETURNING *, f1+112 IN (SELECT q1 FROM int8_tbl) AS subplan,
EXISTS(SELECT * FROM int4_tbl) AS initplan;
DELETE FROM foo
WHERE f1 > 10
RETURNING *, f1+112 IN (SELECT q1 FROM int8_tbl) AS subplan,
EXISTS(SELECT * FROM int4_tbl) AS initplan;
-- Joins
UPDATE foo SET f3 = f3*2
FROM int4_tbl i
WHERE foo.f1 + 123455 = i.f1
RETURNING foo.*, i.f1 as "i.f1";
SELECT * FROM foo;
DELETE FROM foo
USING int4_tbl i
WHERE foo.f1 + 123455 = i.f1
RETURNING foo.*, i.f1 as "i.f1";
SELECT * FROM foo;
-- Check inheritance cases
CREATE TEMP TABLE foochild (fc int) INHERITS (foo);
INSERT INTO foochild VALUES(123,'child',999,-123);
ALTER TABLE foo ADD COLUMN f4 int8 DEFAULT 99;
SELECT * FROM foo;
SELECT * FROM foochild;
UPDATE foo SET f4 = f4 + f3 WHERE f4 = 99 RETURNING *;
SELECT * FROM foo;
SELECT * FROM foochild;
UPDATE foo SET f3 = f3*2
FROM int8_tbl i
WHERE foo.f1 = i.q2
RETURNING *;
SELECT * FROM foo;
SELECT * FROM foochild;
DELETE FROM foo
USING int8_tbl i
WHERE foo.f1 = i.q2
RETURNING *;
SELECT * FROM foo;
SELECT * FROM foochild;
DROP TABLE foochild;
-- Rules and views
CREATE TEMP VIEW voo AS SELECT f1, f2 FROM foo;
CREATE RULE voo_i AS ON INSERT TO voo DO INSTEAD
INSERT INTO foo VALUES(new.*, 57);
INSERT INTO voo VALUES(11,'zit');
-- fails:
INSERT INTO voo VALUES(12,'zoo') RETURNING *, f1*2;
-- fails, incompatible list:
CREATE OR REPLACE RULE voo_i AS ON INSERT TO voo DO INSTEAD
INSERT INTO foo VALUES(new.*, 57) RETURNING *;
CREATE OR REPLACE RULE voo_i AS ON INSERT TO voo DO INSTEAD
INSERT INTO foo VALUES(new.*, 57) RETURNING f1, f2;
-- should still work
INSERT INTO voo VALUES(13,'zit2');
-- works now
INSERT INTO voo VALUES(14,'zoo2') RETURNING *;
SELECT * FROM foo;
SELECT * FROM voo;
CREATE OR REPLACE RULE voo_u AS ON UPDATE TO voo DO INSTEAD
UPDATE foo SET f1 = new.f1, f2 = new.f2 WHERE f1 = old.f1
RETURNING f1, f2;
update voo set f1 = f1 + 1 where f2 = 'zoo2';
update voo set f1 = f1 + 1 where f2 = 'zoo2' RETURNING *, f1*2;
SELECT * FROM foo;
SELECT * FROM voo;
CREATE OR REPLACE RULE voo_d AS ON DELETE TO voo DO INSTEAD
DELETE FROM foo WHERE f1 = old.f1
RETURNING f1, f2;
DELETE FROM foo WHERE f1 = 13;
DELETE FROM foo WHERE f2 = 'zit' RETURNING *;
SELECT * FROM foo;
SELECT * FROM voo;
-- Check use of a whole-row variable for an un-flattenable view
CREATE TEMP VIEW foo_v AS SELECT * FROM foo OFFSET 0;
UPDATE foo SET f2 = foo_v.f2 FROM foo_v WHERE foo_v.f1 = foo.f1
RETURNING foo_v;
SELECT * FROM foo;
-- Check use of a whole-row variable for an inlined set-returning function
CREATE FUNCTION foo_f() RETURNS SETOF foo AS
$$ SELECT * FROM foo OFFSET 0 $$ LANGUAGE sql STABLE;
UPDATE foo SET f2 = foo_f.f2 FROM foo_f() WHERE foo_f.f1 = foo.f1
RETURNING foo_f;
SELECT * FROM foo;
DROP FUNCTION foo_f();
-- As above, but SRF is defined to return a composite type
CREATE TYPE foo_t AS (f1 int, f2 text, f3 int, f4 int8);
CREATE FUNCTION foo_f() RETURNS SETOF foo_t AS
$$ SELECT * FROM foo OFFSET 0 $$ LANGUAGE sql STABLE;
UPDATE foo SET f2 = foo_f.f2 FROM foo_f() WHERE foo_f.f1 = foo.f1
RETURNING foo_f;
SELECT * FROM foo;
DROP FUNCTION foo_f();
DROP TYPE foo_t;
-- Try a join case
CREATE TEMP TABLE joinme (f2j text, other int);
INSERT INTO joinme VALUES('more', 12345);
INSERT INTO joinme VALUES('zoo2', 54321);
INSERT INTO joinme VALUES('other', 0);
CREATE TEMP VIEW joinview AS
SELECT foo.*, other FROM foo JOIN joinme ON (f2 = f2j);
SELECT * FROM joinview;
CREATE RULE joinview_u AS ON UPDATE TO joinview DO INSTEAD
UPDATE foo SET f1 = new.f1, f3 = new.f3
FROM joinme WHERE f2 = f2j AND f2 = old.f2
RETURNING foo.*, other;
UPDATE joinview SET f1 = f1 + 1 WHERE f3 = 57 RETURNING *, other + 1;
SELECT * FROM joinview;
SELECT * FROM foo;
SELECT * FROM voo;
-- Check aliased target relation
INSERT INTO foo AS bar DEFAULT VALUES RETURNING *; -- ok
INSERT INTO foo AS bar DEFAULT VALUES RETURNING foo.*; -- fails, wrong name
INSERT INTO foo AS bar DEFAULT VALUES RETURNING bar.*; -- ok
INSERT INTO foo AS bar DEFAULT VALUES RETURNING bar.f3; -- ok
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