Adding upstream version 15.5.upstream/15.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 162 insertions, 0 deletions

diff --git a/src/test/regress/sql/returning.sql b/src/test/regress/sql/returning.sql
new file mode 100644
index 0000000..a460f82
--- /dev/null
+++ b/src/test/regress/sql/returning.sql
@@ -0,0 +1,162 @@
+--
+-- 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;
+
+-- 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