Additional tests for stored generated columns
Some additional tests have been created during the development of virtual generated columns (not included here). This commit adds equivalent tests to the existing test set for stored generated columns. This includes expanded tests related to MERGE, subqueries, whole-row references, permissions, domains, partitioning, and triggers. Author: Peter Eisentraut <peter@eisentraut.org> Co-authored-by: jian he <jian.universality@gmail.com> Co-authored-by: Dean Rasheed <dean.a.rasheed@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/a368248e-69e4-40be-9c07-6c3b5880b0a6@eisentraut.org
This commit is contained in:
Peter Eisentraut
parent
ce1b0f9da0
commit
41084409f6
@ -122,6 +122,24 @@ SELECT * FROM gtest1 ORDER BY a;
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4 | 8
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(4 rows)
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SELECT gtest1 FROM gtest1 ORDER BY a; -- whole-row reference
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gtest1
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--------
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(1,2)
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(2,4)
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(3,6)
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(4,8)
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(4 rows)
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SELECT a, (SELECT gtest1.b) FROM gtest1 ORDER BY a; -- sublink
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a | b
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---+---
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1 | 2
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2 | 4
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3 | 6
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4 | 8
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(4 rows)
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DELETE FROM gtest1 WHERE a >= 3;
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UPDATE gtest1 SET b = DEFAULT WHERE a = 1;
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UPDATE gtest1 SET b = 11 WHERE a = 1; -- error
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@ -177,7 +195,12 @@ SELECT * FROM gtest1 ORDER BY a;
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2 | 4
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(2 rows)
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UPDATE gtest1 SET a = 3 WHERE b = 4;
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UPDATE gtest1 SET a = 3 WHERE b = 4 RETURNING old.*, new.*;
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a | b | a | b
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---+---+---+---
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2 | 4 | 3 | 6
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(1 row)
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SELECT * FROM gtest1 ORDER BY a;
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a | b
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---+---
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@ -203,7 +226,14 @@ CREATE TABLE gtestm (
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INSERT INTO gtestm VALUES (1, 5, 100);
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MERGE INTO gtestm t USING (VALUES (1, 10), (2, 20)) v(id, f1) ON t.id = v.id
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WHEN MATCHED THEN UPDATE SET f1 = v.f1
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WHEN NOT MATCHED THEN INSERT VALUES (v.id, v.f1, 200);
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WHEN NOT MATCHED THEN INSERT VALUES (v.id, v.f1, 200)
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RETURNING merge_action(), old.*, new.*;
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merge_action | id | f1 | f2 | f3 | f4 | id | f1 | f2 | f3 | f4
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--------------+----+----+-----+----+-----+----+----+-----+----+-----
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UPDATE | 1 | 5 | 100 | 10 | 200 | 1 | 10 | 100 | 20 | 200
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INSERT | | | | | | 2 | 20 | 200 | 40 | 400
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(2 rows)
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SELECT * FROM gtestm ORDER BY id;
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id | f1 | f2 | f3 | f4
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----+----+-----+----+-----
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@ -211,6 +241,27 @@ SELECT * FROM gtestm ORDER BY id;
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2 | 20 | 200 | 40 | 400
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(2 rows)
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DROP TABLE gtestm;
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CREATE TABLE gtestm (
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a int PRIMARY KEY,
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b int GENERATED ALWAYS AS (a * 2) STORED
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);
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INSERT INTO gtestm (a) SELECT g FROM generate_series(1, 10) g;
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MERGE INTO gtestm t USING gtestm AS s ON 2 * t.a = s.b WHEN MATCHED THEN DELETE RETURNING *;
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a | b | a | b
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----+----+----+----
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1 | 2 | 1 | 2
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2 | 4 | 2 | 4
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3 | 6 | 3 | 6
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4 | 8 | 4 | 8
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5 | 10 | 5 | 10
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6 | 12 | 6 | 12
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7 | 14 | 7 | 14
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8 | 16 | 8 | 16
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9 | 18 | 9 | 18
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10 | 20 | 10 | 20
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(10 rows)
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DROP TABLE gtestm;
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-- views
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CREATE VIEW gtest1v AS SELECT * FROM gtest1;
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@ -319,6 +370,21 @@ Not-null constraints:
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"gtest1_a_not_null" NOT NULL "a" (inherited)
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Inherits: gtest1
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INSERT INTO gtestx (a, x) VALUES (11, 22);
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SELECT * FROM gtest1;
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a | b
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----+-----
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3 | 6
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4 | 8
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11 | 242
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(3 rows)
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SELECT * FROM gtestx;
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a | b | x
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----+-----+----
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11 | 242 | 22
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(1 row)
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CREATE TABLE gtestxx_1 (a int NOT NULL, b int);
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ALTER TABLE gtestxx_1 INHERIT gtest1; -- error
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ERROR: column "b" in child table must be a generated column
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@ -541,7 +607,7 @@ CREATE FUNCTION gf1(a int) RETURNS int AS $$ SELECT a * 3 $$ IMMUTABLE LANGUAGE
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REVOKE ALL ON FUNCTION gf1(int) FROM PUBLIC;
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CREATE TABLE gtest12 (a int PRIMARY KEY, b int, c int GENERATED ALWAYS AS (gf1(b)) STORED);
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INSERT INTO gtest12 VALUES (1, 10), (2, 20);
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GRANT SELECT (a, c) ON gtest12 TO regress_user11;
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GRANT SELECT (a, c), INSERT ON gtest12 TO regress_user11;
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SET ROLE regress_user11;
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SELECT a, b FROM gtest11; -- not allowed
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ERROR: permission denied for table gtest11
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@ -554,7 +620,9 @@ SELECT a, c FROM gtest11; -- allowed
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SELECT gf1(10); -- not allowed
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ERROR: permission denied for function gf1
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SELECT a, c FROM gtest12; -- allowed
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INSERT INTO gtest12 VALUES (3, 30), (4, 40); -- currently not allowed because of function permissions, should arguably be allowed
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ERROR: permission denied for function gf1
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SELECT a, c FROM gtest12; -- allowed (does not actually invoke the function)
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a | c
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---+----
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1 | 30
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@ -589,6 +657,13 @@ INSERT INTO gtest20b (a) VALUES (30);
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ALTER TABLE gtest20b ADD CONSTRAINT chk CHECK (b < 50) NOT VALID;
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ALTER TABLE gtest20b VALIDATE CONSTRAINT chk; -- fails on existing row
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ERROR: check constraint "chk" of relation "gtest20b" is violated by some row
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-- check with whole-row reference
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CREATE TABLE gtest20c (a int, b int GENERATED ALWAYS AS (a * 2) STORED);
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ALTER TABLE gtest20c ADD CONSTRAINT whole_row_check CHECK (gtest20c IS NOT NULL);
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INSERT INTO gtest20c VALUES (1); -- ok
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INSERT INTO gtest20c VALUES (NULL); -- fails
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ERROR: new row for relation "gtest20c" violates check constraint "whole_row_check"
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DETAIL: Failing row contains (null, null).
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-- not-null constraints
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CREATE TABLE gtest21a (a int PRIMARY KEY, b int GENERATED ALWAYS AS (nullif(a, 0)) STORED NOT NULL);
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INSERT INTO gtest21a (a) VALUES (1); -- ok
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@ -758,6 +833,11 @@ CREATE TABLE gtest24 (a int PRIMARY KEY, b gtestdomain1 GENERATED ALWAYS AS (a *
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INSERT INTO gtest24 (a) VALUES (4); -- ok
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INSERT INTO gtest24 (a) VALUES (6); -- error
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ERROR: value for domain gtestdomain1 violates check constraint "gtestdomain1_check"
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CREATE TYPE gtestdomain1range AS range (subtype = gtestdomain1);
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CREATE TABLE gtest24r (a int PRIMARY KEY, b gtestdomain1range GENERATED ALWAYS AS (gtestdomain1range(a, a + 5)) STORED);
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INSERT INTO gtest24r (a) VALUES (4); -- ok
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INSERT INTO gtest24r (a) VALUES (6); -- error
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ERROR: value for domain gtestdomain1 violates check constraint "gtestdomain1_check"
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-- typed tables (currently not supported)
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CREATE TYPE gtest_type AS (f1 integer, f2 text, f3 bigint);
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CREATE TABLE gtest28 OF gtest_type (f1 WITH OPTIONS GENERATED ALWAYS AS (f2 *2) STORED);
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@ -841,6 +921,24 @@ SELECT tableoid::regclass, * FROM gtest_parent ORDER BY 1, 2, 3;
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gtest_child2 | 08-15-2016 | 3 | 66
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(3 rows)
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SELECT tableoid::regclass, * FROM gtest_child ORDER BY 1, 2, 3;
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tableoid | f1 | f2 | f3
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-------------+------------+----+----
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gtest_child | 07-15-2016 | 1 | 2
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gtest_child | 07-15-2016 | 2 | 4
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(2 rows)
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SELECT tableoid::regclass, * FROM gtest_child2 ORDER BY 1, 2, 3;
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tableoid | f1 | f2 | f3
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--------------+------------+----+----
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gtest_child2 | 08-15-2016 | 3 | 66
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(1 row)
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SELECT tableoid::regclass, * FROM gtest_child3 ORDER BY 1, 2, 3;
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tableoid | f1 | f2 | f3
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----------+----+----+----
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(0 rows)
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UPDATE gtest_parent SET f1 = f1 + 60 WHERE f2 = 1;
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SELECT tableoid::regclass, * FROM gtest_parent ORDER BY 1, 2, 3;
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tableoid | f1 | f2 | f3
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@ -1184,6 +1282,18 @@ Inherits: gtest30
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ALTER TABLE gtest30_1 ALTER COLUMN b DROP EXPRESSION; -- error
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ERROR: cannot drop generation expression from inherited column
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-- composite type dependencies
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CREATE TABLE gtest31_1 (a int, b text GENERATED ALWAYS AS ('hello') STORED, c text);
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CREATE TABLE gtest31_2 (x int, y gtest31_1);
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ALTER TABLE gtest31_1 ALTER COLUMN b TYPE varchar; -- fails
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ERROR: cannot alter table "gtest31_1" because column "gtest31_2.y" uses its row type
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DROP TABLE gtest31_1, gtest31_2;
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-- Check it for a partitioned table, too
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CREATE TABLE gtest31_1 (a int, b text GENERATED ALWAYS AS ('hello') STORED, c text) PARTITION BY LIST (a);
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CREATE TABLE gtest31_2 (x int, y gtest31_1);
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ALTER TABLE gtest31_1 ALTER COLUMN b TYPE varchar; -- fails
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ERROR: cannot alter table "gtest31_1" because column "gtest31_2.y" uses its row type
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DROP TABLE gtest31_1, gtest31_2;
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-- triggers
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CREATE TABLE gtest26 (
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a int PRIMARY KEY,
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@ -1294,7 +1404,7 @@ UPDATE gtest26 SET a = 1 WHERE a = 0;
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NOTICE: OK
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DROP TRIGGER gtest11 ON gtest26;
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TRUNCATE gtest26;
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-- check that modifications of stored generated columns in triggers do
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-- check that modifications of generated columns in triggers do
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-- not get propagated
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CREATE FUNCTION gtest_trigger_func4() RETURNS trigger
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LANGUAGE plpgsql
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@ -1305,20 +1415,28 @@ BEGIN
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RETURN NEW;
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END;
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$$;
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CREATE TRIGGER gtest12_01 BEFORE UPDATE ON gtest26
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CREATE TRIGGER gtest12_01 BEFORE INSERT OR UPDATE ON gtest26
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FOR EACH ROW
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EXECUTE PROCEDURE gtest_trigger_func();
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CREATE TRIGGER gtest12_02 BEFORE UPDATE ON gtest26
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CREATE TRIGGER gtest12_02 BEFORE INSERT OR UPDATE ON gtest26
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FOR EACH ROW
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EXECUTE PROCEDURE gtest_trigger_func4();
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CREATE TRIGGER gtest12_03 BEFORE UPDATE ON gtest26
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CREATE TRIGGER gtest12_03 BEFORE INSERT OR UPDATE ON gtest26
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FOR EACH ROW
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EXECUTE PROCEDURE gtest_trigger_func();
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INSERT INTO gtest26 (a) VALUES (1);
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UPDATE gtest26 SET a = 11 WHERE a = 1;
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INFO: gtest12_01: BEFORE: old = (1,2)
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INFO: gtest12_01: BEFORE: new = (1,)
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INFO: gtest12_03: BEFORE: new = (10,300)
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SELECT * FROM gtest26 ORDER BY a;
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a | b
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----+----
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10 | 20
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(1 row)
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UPDATE gtest26 SET a = 11 WHERE a = 10;
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INFO: gtest12_01: BEFORE: old = (10,20)
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INFO: gtest12_01: BEFORE: new = (11,)
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INFO: gtest12_03: BEFORE: old = (1,2)
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INFO: gtest12_03: BEFORE: old = (10,20)
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INFO: gtest12_03: BEFORE: new = (10,)
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SELECT * FROM gtest26 ORDER BY a;
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a | b
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@ -56,6 +56,8 @@ INSERT INTO gtest1 VALUES (3, 33), (4, DEFAULT); -- error
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INSERT INTO gtest1 VALUES (3, DEFAULT), (4, DEFAULT); -- ok
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SELECT * FROM gtest1 ORDER BY a;
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SELECT gtest1 FROM gtest1 ORDER BY a; -- whole-row reference
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SELECT a, (SELECT gtest1.b) FROM gtest1 ORDER BY a; -- sublink
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DELETE FROM gtest1 WHERE a >= 3;
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UPDATE gtest1 SET b = DEFAULT WHERE a = 1;
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@ -79,7 +81,7 @@ DROP TABLE gtestx;
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-- test UPDATE/DELETE quals
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SELECT * FROM gtest1 ORDER BY a;
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UPDATE gtest1 SET a = 3 WHERE b = 4;
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UPDATE gtest1 SET a = 3 WHERE b = 4 RETURNING old.*, new.*;
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SELECT * FROM gtest1 ORDER BY a;
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DELETE FROM gtest1 WHERE b = 2;
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SELECT * FROM gtest1 ORDER BY a;
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@ -95,10 +97,19 @@ CREATE TABLE gtestm (
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INSERT INTO gtestm VALUES (1, 5, 100);
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MERGE INTO gtestm t USING (VALUES (1, 10), (2, 20)) v(id, f1) ON t.id = v.id
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WHEN MATCHED THEN UPDATE SET f1 = v.f1
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WHEN NOT MATCHED THEN INSERT VALUES (v.id, v.f1, 200);
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WHEN NOT MATCHED THEN INSERT VALUES (v.id, v.f1, 200)
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RETURNING merge_action(), old.*, new.*;
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SELECT * FROM gtestm ORDER BY id;
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DROP TABLE gtestm;
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CREATE TABLE gtestm (
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a int PRIMARY KEY,
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b int GENERATED ALWAYS AS (a * 2) STORED
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);
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INSERT INTO gtestm (a) SELECT g FROM generate_series(1, 10) g;
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MERGE INTO gtestm t USING gtestm AS s ON 2 * t.a = s.b WHEN MATCHED THEN DELETE RETURNING *;
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DROP TABLE gtestm;
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-- views
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CREATE VIEW gtest1v AS SELECT * FROM gtest1;
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SELECT * FROM gtest1v;
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@ -140,6 +151,9 @@ CREATE TABLE gtestx (x int, b int DEFAULT 10) INHERITS (gtest1); -- error
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CREATE TABLE gtestx (x int, b int GENERATED ALWAYS AS IDENTITY) INHERITS (gtest1); -- error
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CREATE TABLE gtestx (x int, b int GENERATED ALWAYS AS (a * 22) STORED) INHERITS (gtest1); -- ok, overrides parent
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\d+ gtestx
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INSERT INTO gtestx (a, x) VALUES (11, 22);
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SELECT * FROM gtest1;
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SELECT * FROM gtestx;
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CREATE TABLE gtestxx_1 (a int NOT NULL, b int);
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ALTER TABLE gtestxx_1 INHERIT gtest1; -- error
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@ -274,13 +288,14 @@ REVOKE ALL ON FUNCTION gf1(int) FROM PUBLIC;
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CREATE TABLE gtest12 (a int PRIMARY KEY, b int, c int GENERATED ALWAYS AS (gf1(b)) STORED);
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INSERT INTO gtest12 VALUES (1, 10), (2, 20);
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GRANT SELECT (a, c) ON gtest12 TO regress_user11;
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GRANT SELECT (a, c), INSERT ON gtest12 TO regress_user11;
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SET ROLE regress_user11;
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SELECT a, b FROM gtest11; -- not allowed
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SELECT a, c FROM gtest11; -- allowed
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SELECT gf1(10); -- not allowed
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SELECT a, c FROM gtest12; -- allowed
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INSERT INTO gtest12 VALUES (3, 30), (4, 40); -- currently not allowed because of function permissions, should arguably be allowed
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SELECT a, c FROM gtest12; -- allowed (does not actually invoke the function)
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RESET ROLE;
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DROP FUNCTION gf1(int); -- fail
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@ -307,6 +322,12 @@ INSERT INTO gtest20b (a) VALUES (30);
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ALTER TABLE gtest20b ADD CONSTRAINT chk CHECK (b < 50) NOT VALID;
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ALTER TABLE gtest20b VALIDATE CONSTRAINT chk; -- fails on existing row
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-- check with whole-row reference
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CREATE TABLE gtest20c (a int, b int GENERATED ALWAYS AS (a * 2) STORED);
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ALTER TABLE gtest20c ADD CONSTRAINT whole_row_check CHECK (gtest20c IS NOT NULL);
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INSERT INTO gtest20c VALUES (1); -- ok
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INSERT INTO gtest20c VALUES (NULL); -- fails
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-- not-null constraints
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CREATE TABLE gtest21a (a int PRIMARY KEY, b int GENERATED ALWAYS AS (nullif(a, 0)) STORED NOT NULL);
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INSERT INTO gtest21a (a) VALUES (1); -- ok
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@ -386,6 +407,10 @@ CREATE DOMAIN gtestdomain1 AS int CHECK (VALUE < 10);
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CREATE TABLE gtest24 (a int PRIMARY KEY, b gtestdomain1 GENERATED ALWAYS AS (a * 2) STORED);
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INSERT INTO gtest24 (a) VALUES (4); -- ok
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INSERT INTO gtest24 (a) VALUES (6); -- error
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CREATE TYPE gtestdomain1range AS range (subtype = gtestdomain1);
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CREATE TABLE gtest24r (a int PRIMARY KEY, b gtestdomain1range GENERATED ALWAYS AS (gtestdomain1range(a, a + 5)) STORED);
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INSERT INTO gtest24r (a) VALUES (4); -- ok
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INSERT INTO gtest24r (a) VALUES (6); -- error
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-- typed tables (currently not supported)
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CREATE TYPE gtest_type AS (f1 integer, f2 text, f3 bigint);
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@ -431,6 +456,9 @@ INSERT INTO gtest_parent (f1, f2) VALUES ('2016-07-15', 1);
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INSERT INTO gtest_parent (f1, f2) VALUES ('2016-07-15', 2);
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INSERT INTO gtest_parent (f1, f2) VALUES ('2016-08-15', 3);
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SELECT tableoid::regclass, * FROM gtest_parent ORDER BY 1, 2, 3;
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SELECT tableoid::regclass, * FROM gtest_child ORDER BY 1, 2, 3;
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SELECT tableoid::regclass, * FROM gtest_child2 ORDER BY 1, 2, 3;
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SELECT tableoid::regclass, * FROM gtest_child3 ORDER BY 1, 2, 3;
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UPDATE gtest_parent SET f1 = f1 + 60 WHERE f2 = 1;
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SELECT tableoid::regclass, * FROM gtest_parent ORDER BY 1, 2, 3;
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@ -545,6 +573,18 @@ ALTER TABLE ONLY gtest30 ALTER COLUMN b DROP EXPRESSION; -- error
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\d gtest30_1
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ALTER TABLE gtest30_1 ALTER COLUMN b DROP EXPRESSION; -- error
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-- composite type dependencies
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CREATE TABLE gtest31_1 (a int, b text GENERATED ALWAYS AS ('hello') STORED, c text);
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CREATE TABLE gtest31_2 (x int, y gtest31_1);
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ALTER TABLE gtest31_1 ALTER COLUMN b TYPE varchar; -- fails
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DROP TABLE gtest31_1, gtest31_2;
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-- Check it for a partitioned table, too
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CREATE TABLE gtest31_1 (a int, b text GENERATED ALWAYS AS ('hello') STORED, c text) PARTITION BY LIST (a);
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CREATE TABLE gtest31_2 (x int, y gtest31_1);
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ALTER TABLE gtest31_1 ALTER COLUMN b TYPE varchar; -- fails
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DROP TABLE gtest31_1, gtest31_2;
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-- triggers
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CREATE TABLE gtest26 (
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a int PRIMARY KEY,
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@ -630,7 +670,7 @@ UPDATE gtest26 SET a = 1 WHERE a = 0;
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DROP TRIGGER gtest11 ON gtest26;
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TRUNCATE gtest26;
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-- check that modifications of stored generated columns in triggers do
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-- check that modifications of generated columns in triggers do
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-- not get propagated
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CREATE FUNCTION gtest_trigger_func4() RETURNS trigger
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LANGUAGE plpgsql
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@ -642,20 +682,21 @@ BEGIN
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END;
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$$;
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CREATE TRIGGER gtest12_01 BEFORE UPDATE ON gtest26
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CREATE TRIGGER gtest12_01 BEFORE INSERT OR UPDATE ON gtest26
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FOR EACH ROW
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EXECUTE PROCEDURE gtest_trigger_func();
|
||||
|
||||
CREATE TRIGGER gtest12_02 BEFORE UPDATE ON gtest26
|
||||
CREATE TRIGGER gtest12_02 BEFORE INSERT OR UPDATE ON gtest26
|
||||
FOR EACH ROW
|
||||
EXECUTE PROCEDURE gtest_trigger_func4();
|
||||
|
||||
CREATE TRIGGER gtest12_03 BEFORE UPDATE ON gtest26
|
||||
CREATE TRIGGER gtest12_03 BEFORE INSERT OR UPDATE ON gtest26
|
||||
FOR EACH ROW
|
||||
EXECUTE PROCEDURE gtest_trigger_func();
|
||||
|
||||
INSERT INTO gtest26 (a) VALUES (1);
|
||||
UPDATE gtest26 SET a = 11 WHERE a = 1;
|
||||
SELECT * FROM gtest26 ORDER BY a;
|
||||
UPDATE gtest26 SET a = 11 WHERE a = 10;
|
||||
SELECT * FROM gtest26 ORDER BY a;
|
||||
|
||||
-- LIKE INCLUDING GENERATED and dropped column handling
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user