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--
-- Test INSERT/UPDATE/DELETE RETURNING
--
-- Simple cases
CREATE TEMP TABLE foo (f1 serial, f2 text, f3 int default 42);
NOTICE: CREATE TABLE will create implicit sequence "foo_f1_seq" for serial column "foo.f1"
INSERT INTO foo (f2,f3)
VALUES ('test', DEFAULT), ('More', 11), (upper('more'), 7+9)
RETURNING *, f1+f3 AS sum;
f1 | f2 | f3 | sum
----+------+----+-----
1 | test | 42 | 43
2 | More | 11 | 13
3 | MORE | 16 | 19
(3 rows)
SELECT * FROM foo;
f1 | f2 | f3
----+------+----
1 | test | 42
2 | More | 11
3 | MORE | 16
(3 rows)
UPDATE foo SET f2 = lower(f2), f3 = DEFAULT RETURNING foo.*, f1+f3 AS sum13;
f1 | f2 | f3 | sum13
----+------+----+-------
1 | test | 42 | 43
2 | more | 42 | 44
3 | more | 42 | 45
(3 rows)
SELECT * FROM foo;
f1 | f2 | f3
----+------+----
1 | test | 42
2 | more | 42
3 | more | 42
(3 rows)
DELETE FROM foo WHERE f1 > 2 RETURNING f3, f2, f1, least(f1,f3);
f3 | f2 | f1 | least
----+------+----+-------
42 | more | 3 | 3
(1 row)
SELECT * FROM foo;
f1 | f2 | f3
----+------+----
1 | test | 42
2 | more | 42
(2 rows)
-- 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;
f1 | f2 | f3 | subplan | initplan
----+------+-----+---------+----------
11 | test | 141 | t | t
12 | more | 141 | f | t
(2 rows)
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;
f1 | f2 | f3 | subplan | initplan
----+------+-----+---------+----------
11 | test | 282 | t | t
12 | more | 282 | f | t
(2 rows)
DELETE FROM foo
WHERE f1 > 10
RETURNING *, f1+112 IN (SELECT q1 FROM int8_tbl) AS subplan,
EXISTS(SELECT * FROM int4_tbl) AS initplan;
f1 | f2 | f3 | subplan | initplan
----+------+-----+---------+----------
11 | test | 282 | t | t
12 | more | 282 | f | t
(2 rows)
-- Joins
UPDATE foo SET f3 = f3*2
FROM int4_tbl i
WHERE foo.f1 + 123455 = i.f1
RETURNING foo.*, i.f1 as "i.f1";
f1 | f2 | f3 | i.f1
----+------+----+--------
1 | test | 84 | 123456
(1 row)
SELECT * FROM foo;
f1 | f2 | f3
----+------+----
2 | more | 42
1 | test | 84
(2 rows)
DELETE FROM foo
USING int4_tbl i
WHERE foo.f1 + 123455 = i.f1
RETURNING foo.*, i.f1 as "i.f1";
f1 | f2 | f3 | i.f1
----+------+----+--------
1 | test | 84 | 123456
(1 row)
SELECT * FROM foo;
f1 | f2 | f3
----+------+----
2 | more | 42
(1 row)
-- 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;
f1 | f2 | f3 | f4
-----+-------+-----+----
2 | more | 42 | 99
123 | child | 999 | 99
(2 rows)
SELECT * FROM foochild;
f1 | f2 | f3 | fc | f4
-----+-------+-----+------+----
123 | child | 999 | -123 | 99
(1 row)
UPDATE foo SET f4 = f4 + f3 WHERE f4 = 99 RETURNING *;
f1 | f2 | f3 | f4
-----+-------+-----+------
2 | more | 42 | 141
123 | child | 999 | 1098
(2 rows)
SELECT * FROM foo;
f1 | f2 | f3 | f4
-----+-------+-----+------
2 | more | 42 | 141
123 | child | 999 | 1098
(2 rows)
SELECT * FROM foochild;
f1 | f2 | f3 | fc | f4
-----+-------+-----+------+------
123 | child | 999 | -123 | 1098
(1 row)
UPDATE foo SET f3 = f3*2
FROM int8_tbl i
WHERE foo.f1 = i.q1
RETURNING *;
f1 | f2 | f3 | f4 | q1 | q2
-----+-------+------+------+-----+-----
123 | child | 1998 | 1098 | 123 | 456
(1 row)
SELECT * FROM foo;
f1 | f2 | f3 | f4
-----+-------+------+------
2 | more | 42 | 141
123 | child | 1998 | 1098
(2 rows)
SELECT * FROM foochild;
f1 | f2 | f3 | fc | f4
-----+-------+------+------+------
123 | child | 1998 | -123 | 1098
(1 row)
DELETE FROM foo
USING int8_tbl i
WHERE foo.f1 = i.q1
RETURNING *;
f1 | f2 | f3 | f4 | q1 | q2
-----+-------+------+------+-----+-----
123 | child | 1998 | 1098 | 123 | 456
(1 row)
SELECT * FROM foo;
f1 | f2 | f3 | f4
----+------+----+-----
2 | more | 42 | 141
(1 row)
SELECT * FROM foochild;
f1 | f2 | f3 | fc | f4
----+----+----+----+----
(0 rows)
DROP TABLE foochild, foo;
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