522 lines
19 KiB
SQL
522 lines
19 KiB
SQL
-- sanity check of system catalog
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SELECT attrelid, attname, attidentity FROM pg_attribute WHERE attidentity NOT IN ('', 'a', 'd');
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CREATE TABLE itest1 (a int generated by default as identity, b text);
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CREATE TABLE itest2 (a bigint generated always as identity, b text);
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CREATE TABLE itest3 (a smallint generated by default as identity (start with 7 increment by 5), b text);
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ALTER TABLE itest3 ALTER COLUMN a ADD GENERATED ALWAYS AS IDENTITY; -- error
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SELECT table_name, column_name, column_default, is_nullable, is_identity, identity_generation, identity_start, identity_increment, identity_maximum, identity_minimum, identity_cycle FROM information_schema.columns WHERE table_name LIKE 'itest_' ORDER BY 1, 2;
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-- internal sequences should not be shown here
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SELECT sequence_name FROM information_schema.sequences WHERE sequence_name LIKE 'itest%';
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SELECT pg_get_serial_sequence('itest1', 'a');
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\d itest1_a_seq
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CREATE TABLE itest4 (a int, b text);
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ALTER TABLE itest4 ALTER COLUMN a ADD GENERATED ALWAYS AS IDENTITY; -- error, requires NOT NULL
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ALTER TABLE itest4 ALTER COLUMN a SET NOT NULL;
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ALTER TABLE itest4 ALTER COLUMN a ADD GENERATED ALWAYS AS IDENTITY; -- ok
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ALTER TABLE itest4 ALTER COLUMN a DROP NOT NULL; -- error, disallowed
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ALTER TABLE itest4 ALTER COLUMN a ADD GENERATED ALWAYS AS IDENTITY; -- error, already set
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ALTER TABLE itest4 ALTER COLUMN b ADD GENERATED ALWAYS AS IDENTITY; -- error, wrong data type
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-- for later
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ALTER TABLE itest4 ALTER COLUMN b SET DEFAULT '';
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-- invalid column type
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CREATE TABLE itest_err_1 (a text generated by default as identity);
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-- duplicate identity
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CREATE TABLE itest_err_2 (a int generated always as identity generated by default as identity);
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-- cannot have default and identity
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CREATE TABLE itest_err_3 (a int default 5 generated by default as identity);
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-- cannot combine serial and identity
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CREATE TABLE itest_err_4 (a serial generated by default as identity);
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INSERT INTO itest1 DEFAULT VALUES;
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INSERT INTO itest1 DEFAULT VALUES;
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INSERT INTO itest2 DEFAULT VALUES;
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INSERT INTO itest2 DEFAULT VALUES;
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INSERT INTO itest3 DEFAULT VALUES;
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INSERT INTO itest3 DEFAULT VALUES;
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INSERT INTO itest4 DEFAULT VALUES;
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INSERT INTO itest4 DEFAULT VALUES;
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SELECT * FROM itest1;
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SELECT * FROM itest2;
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SELECT * FROM itest3;
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SELECT * FROM itest4;
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-- VALUES RTEs
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CREATE TABLE itest5 (a int generated always as identity, b text);
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INSERT INTO itest5 VALUES (1, 'a'); -- error
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INSERT INTO itest5 VALUES (DEFAULT, 'a'); -- ok
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INSERT INTO itest5 VALUES (2, 'b'), (3, 'c'); -- error
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INSERT INTO itest5 VALUES (DEFAULT, 'b'), (3, 'c'); -- error
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INSERT INTO itest5 VALUES (2, 'b'), (DEFAULT, 'c'); -- error
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INSERT INTO itest5 VALUES (DEFAULT, 'b'), (DEFAULT, 'c'); -- ok
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INSERT INTO itest5 OVERRIDING SYSTEM VALUE VALUES (-1, 'aa');
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INSERT INTO itest5 OVERRIDING SYSTEM VALUE VALUES (-2, 'bb'), (-3, 'cc');
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INSERT INTO itest5 OVERRIDING SYSTEM VALUE VALUES (DEFAULT, 'dd'), (-4, 'ee');
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INSERT INTO itest5 OVERRIDING SYSTEM VALUE VALUES (-5, 'ff'), (DEFAULT, 'gg');
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INSERT INTO itest5 OVERRIDING SYSTEM VALUE VALUES (DEFAULT, 'hh'), (DEFAULT, 'ii');
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INSERT INTO itest5 OVERRIDING USER VALUE VALUES (-1, 'aaa');
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INSERT INTO itest5 OVERRIDING USER VALUE VALUES (-2, 'bbb'), (-3, 'ccc');
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INSERT INTO itest5 OVERRIDING USER VALUE VALUES (DEFAULT, 'ddd'), (-4, 'eee');
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INSERT INTO itest5 OVERRIDING USER VALUE VALUES (-5, 'fff'), (DEFAULT, 'ggg');
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INSERT INTO itest5 OVERRIDING USER VALUE VALUES (DEFAULT, 'hhh'), (DEFAULT, 'iii');
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SELECT * FROM itest5;
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DROP TABLE itest5;
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INSERT INTO itest3 VALUES (DEFAULT, 'a');
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INSERT INTO itest3 VALUES (DEFAULT, 'b'), (DEFAULT, 'c');
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SELECT * FROM itest3;
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-- OVERRIDING tests
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-- GENERATED BY DEFAULT
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-- This inserts the row as presented:
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INSERT INTO itest1 VALUES (10, 'xyz');
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-- With GENERATED BY DEFAULT, OVERRIDING SYSTEM VALUE is not allowed
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-- by the standard, but we allow it as a no-op, since it is of use if
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-- there are multiple identity columns in a table, which is also an
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-- extension.
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INSERT INTO itest1 OVERRIDING SYSTEM VALUE VALUES (20, 'xyz');
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-- This ignores the 30 and uses the sequence value instead:
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INSERT INTO itest1 OVERRIDING USER VALUE VALUES (30, 'xyz');
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SELECT * FROM itest1;
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-- GENERATED ALWAYS
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-- This is an error:
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INSERT INTO itest2 VALUES (10, 'xyz');
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-- This inserts the row as presented:
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INSERT INTO itest2 OVERRIDING SYSTEM VALUE VALUES (20, 'xyz');
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-- This ignores the 30 and uses the sequence value instead:
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INSERT INTO itest2 OVERRIDING USER VALUE VALUES (30, 'xyz');
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SELECT * FROM itest2;
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-- UPDATE tests
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-- GENERATED BY DEFAULT is not restricted.
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UPDATE itest1 SET a = 101 WHERE a = 1;
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UPDATE itest1 SET a = DEFAULT WHERE a = 2;
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SELECT * FROM itest1;
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-- GENERATED ALWAYS allows only DEFAULT.
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UPDATE itest2 SET a = 101 WHERE a = 1; -- error
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UPDATE itest2 SET a = DEFAULT WHERE a = 2; -- ok
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SELECT * FROM itest2;
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-- COPY tests
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CREATE TABLE itest9 (a int GENERATED ALWAYS AS IDENTITY, b text, c bigint);
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COPY itest9 FROM stdin;
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100 foo 200
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101 bar 201
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\.
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COPY itest9 (b, c) FROM stdin;
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foo2 202
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bar2 203
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\.
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SELECT * FROM itest9 ORDER BY c;
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-- DROP IDENTITY tests
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ALTER TABLE itest4 ALTER COLUMN a DROP IDENTITY;
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ALTER TABLE itest4 ALTER COLUMN a DROP IDENTITY; -- error
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ALTER TABLE itest4 ALTER COLUMN a DROP IDENTITY IF EXISTS; -- noop
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INSERT INTO itest4 DEFAULT VALUES; -- fails because NOT NULL is not dropped
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ALTER TABLE itest4 ALTER COLUMN a DROP NOT NULL;
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INSERT INTO itest4 DEFAULT VALUES;
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SELECT * FROM itest4;
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-- check that sequence is removed
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SELECT sequence_name FROM itest4_a_seq;
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-- test views
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CREATE TABLE itest10 (a int generated by default as identity, b text);
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CREATE TABLE itest11 (a int generated always as identity, b text);
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CREATE VIEW itestv10 AS SELECT * FROM itest10;
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CREATE VIEW itestv11 AS SELECT * FROM itest11;
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INSERT INTO itestv10 DEFAULT VALUES;
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INSERT INTO itestv10 DEFAULT VALUES;
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INSERT INTO itestv11 DEFAULT VALUES;
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INSERT INTO itestv11 DEFAULT VALUES;
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SELECT * FROM itestv10;
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SELECT * FROM itestv11;
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INSERT INTO itestv10 VALUES (10, 'xyz');
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INSERT INTO itestv10 OVERRIDING USER VALUE VALUES (11, 'xyz');
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SELECT * FROM itestv10;
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INSERT INTO itestv11 VALUES (10, 'xyz');
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INSERT INTO itestv11 OVERRIDING SYSTEM VALUE VALUES (11, 'xyz');
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SELECT * FROM itestv11;
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DROP VIEW itestv10, itestv11;
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-- ADD COLUMN
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CREATE TABLE itest13 (a int);
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-- add column to empty table
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ALTER TABLE itest13 ADD COLUMN b int GENERATED BY DEFAULT AS IDENTITY;
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INSERT INTO itest13 VALUES (1), (2), (3);
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-- add column to populated table
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ALTER TABLE itest13 ADD COLUMN c int GENERATED BY DEFAULT AS IDENTITY;
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SELECT * FROM itest13;
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-- various ALTER COLUMN tests
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-- fail, not allowed for identity columns
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ALTER TABLE itest1 ALTER COLUMN a SET DEFAULT 1;
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-- fail, not allowed, already has a default
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CREATE TABLE itest5 (a serial, b text);
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ALTER TABLE itest5 ALTER COLUMN a ADD GENERATED ALWAYS AS IDENTITY;
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ALTER TABLE itest3 ALTER COLUMN a TYPE int;
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SELECT seqtypid::regtype FROM pg_sequence WHERE seqrelid = 'itest3_a_seq'::regclass;
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\d itest3
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ALTER TABLE itest3 ALTER COLUMN a TYPE text; -- error
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-- check that unlogged propagates to sequence
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CREATE UNLOGGED TABLE itest17 (a int NOT NULL, b text);
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ALTER TABLE itest17 ALTER COLUMN a ADD GENERATED ALWAYS AS IDENTITY;
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ALTER TABLE itest17 ADD COLUMN c int GENERATED ALWAYS AS IDENTITY;
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\d itest17
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\d itest17_a_seq
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\d itest17_c_seq
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CREATE TABLE itest18 (a int NOT NULL, b text);
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ALTER TABLE itest18 SET UNLOGGED, ALTER COLUMN a ADD GENERATED ALWAYS AS IDENTITY;
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\d itest18
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\d itest18_a_seq
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ALTER TABLE itest18 SET LOGGED;
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\d itest18
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\d itest18_a_seq
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ALTER TABLE itest18 SET UNLOGGED;
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\d itest18
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\d itest18_a_seq
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-- kinda silly to change property in the same command, but it should work
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ALTER TABLE itest3
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ADD COLUMN c int GENERATED BY DEFAULT AS IDENTITY,
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ALTER COLUMN c SET GENERATED ALWAYS;
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\d itest3
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-- ALTER COLUMN ... SET
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CREATE TABLE itest6 (a int GENERATED ALWAYS AS IDENTITY, b text);
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INSERT INTO itest6 DEFAULT VALUES;
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ALTER TABLE itest6 ALTER COLUMN a SET GENERATED BY DEFAULT SET INCREMENT BY 2 SET START WITH 100 RESTART;
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INSERT INTO itest6 DEFAULT VALUES;
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INSERT INTO itest6 DEFAULT VALUES;
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SELECT * FROM itest6;
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SELECT table_name, column_name, is_identity, identity_generation FROM information_schema.columns WHERE table_name = 'itest6' ORDER BY 1, 2;
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ALTER TABLE itest6 ALTER COLUMN b SET INCREMENT BY 2; -- fail, not identity
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-- prohibited direct modification of sequence
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ALTER SEQUENCE itest6_a_seq OWNED BY NONE;
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-- inheritance
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CREATE TABLE itest7 (a int GENERATED ALWAYS AS IDENTITY);
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INSERT INTO itest7 DEFAULT VALUES;
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SELECT * FROM itest7;
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-- identity property is not inherited
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CREATE TABLE itest7a (b text) INHERITS (itest7);
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-- make column identity in child table
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CREATE TABLE itest7b (a int);
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CREATE TABLE itest7c (a int GENERATED ALWAYS AS IDENTITY) INHERITS (itest7b);
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INSERT INTO itest7c DEFAULT VALUES;
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SELECT * FROM itest7c;
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CREATE TABLE itest7d (a int not null);
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CREATE TABLE itest7e () INHERITS (itest7d);
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ALTER TABLE itest7d ALTER COLUMN a ADD GENERATED ALWAYS AS IDENTITY;
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ALTER TABLE itest7d ADD COLUMN b int GENERATED ALWAYS AS IDENTITY; -- error
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SELECT table_name, column_name, is_nullable, is_identity, identity_generation FROM information_schema.columns WHERE table_name LIKE 'itest7%' ORDER BY 1, 2;
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-- These ALTER TABLE variants will not recurse.
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ALTER TABLE itest7 ALTER COLUMN a SET GENERATED BY DEFAULT;
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ALTER TABLE itest7 ALTER COLUMN a RESTART;
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ALTER TABLE itest7 ALTER COLUMN a DROP IDENTITY;
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-- privileges
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CREATE USER regress_identity_user1;
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CREATE TABLE itest8 (a int GENERATED ALWAYS AS IDENTITY, b text);
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GRANT SELECT, INSERT ON itest8 TO regress_identity_user1;
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SET ROLE regress_identity_user1;
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INSERT INTO itest8 DEFAULT VALUES;
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SELECT * FROM itest8;
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RESET ROLE;
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DROP TABLE itest8;
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DROP USER regress_identity_user1;
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-- multiple steps in ALTER TABLE
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CREATE TABLE itest8 (f1 int);
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ALTER TABLE itest8
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ADD COLUMN f2 int NOT NULL,
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ALTER COLUMN f2 ADD GENERATED ALWAYS AS IDENTITY;
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ALTER TABLE itest8
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ADD COLUMN f3 int NOT NULL,
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ALTER COLUMN f3 ADD GENERATED ALWAYS AS IDENTITY,
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ALTER COLUMN f3 SET GENERATED BY DEFAULT SET INCREMENT 10;
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ALTER TABLE itest8
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ADD COLUMN f4 int;
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ALTER TABLE itest8
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ALTER COLUMN f4 SET NOT NULL,
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ALTER COLUMN f4 ADD GENERATED ALWAYS AS IDENTITY,
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ALTER COLUMN f4 SET DATA TYPE bigint;
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ALTER TABLE itest8
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ADD COLUMN f5 int GENERATED ALWAYS AS IDENTITY;
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ALTER TABLE itest8
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ALTER COLUMN f5 DROP IDENTITY,
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ALTER COLUMN f5 DROP NOT NULL,
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ALTER COLUMN f5 SET DATA TYPE bigint;
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INSERT INTO itest8 VALUES(0), (1);
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-- This does not work when the table isn't empty. That's intentional,
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-- since ADD GENERATED should only affect later insertions:
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ALTER TABLE itest8
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ADD COLUMN f22 int NOT NULL,
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ALTER COLUMN f22 ADD GENERATED ALWAYS AS IDENTITY;
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TABLE itest8;
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\d+ itest8
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\d itest8_f2_seq
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\d itest8_f3_seq
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\d itest8_f4_seq
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\d itest8_f5_seq
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DROP TABLE itest8;
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-- typed tables (currently not supported)
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CREATE TYPE itest_type AS (f1 integer, f2 text, f3 bigint);
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CREATE TABLE itest12 OF itest_type (f1 WITH OPTIONS GENERATED ALWAYS AS IDENTITY); -- error
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DROP TYPE itest_type CASCADE;
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-- table partitions
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-- partitions inherit identity column and share sequence
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CREATE TABLE pitest1 (f1 date NOT NULL, f2 text, f3 bigint generated always as identity) PARTITION BY RANGE (f1);
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-- new partition
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CREATE TABLE pitest1_p1 PARTITION OF pitest1 FOR VALUES FROM ('2016-07-01') TO ('2016-08-01');
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INSERT into pitest1(f1, f2) VALUES ('2016-07-2', 'from pitest1');
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INSERT into pitest1_p1 (f1, f2) VALUES ('2016-07-3', 'from pitest1_p1');
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-- attached partition
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CREATE TABLE pitest1_p2 (f1 date NOT NULL, f2 text, f3 bigint);
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INSERT INTO pitest1_p2 VALUES ('2016-08-2', 'before attaching', 100);
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ALTER TABLE pitest1 ATTACH PARTITION pitest1_p2 FOR VALUES FROM ('2016-08-01') TO ('2016-09-01'); -- requires NOT NULL constraint
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ALTER TABLE pitest1_p2 ALTER COLUMN f3 SET NOT NULL;
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ALTER TABLE pitest1 ATTACH PARTITION pitest1_p2 FOR VALUES FROM ('2016-08-01') TO ('2016-09-01');
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INSERT INTO pitest1_p2 (f1, f2) VALUES ('2016-08-3', 'from pitest1_p2');
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INSERT INTO pitest1 (f1, f2) VALUES ('2016-08-4', 'from pitest1');
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SELECT tableoid::regclass, f1, f2, f3 FROM pitest1;
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-- add identity column
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CREATE TABLE pitest2 (f1 date NOT NULL, f2 text) PARTITION BY RANGE (f1);
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CREATE TABLE pitest2_p1 PARTITION OF pitest2 FOR VALUES FROM ('2016-07-01') TO ('2016-08-01');
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CREATE TABLE pitest2_p2 PARTITION OF pitest2 FOR VALUES FROM ('2016-08-01') TO ('2016-09-01');
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INSERT into pitest2(f1, f2) VALUES ('2016-07-2', 'from pitest2');
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INSERT INTO pitest2 (f1, f2) VALUES ('2016-08-2', 'from pitest2');
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ALTER TABLE pitest2 ADD COLUMN f3 int GENERATED ALWAYS AS IDENTITY;
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INSERT into pitest2_p1 (f1, f2) VALUES ('2016-07-3', 'from pitest2_p1');
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INSERT INTO pitest2_p2 (f1, f2) VALUES ('2016-08-3', 'from pitest2_p2');
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INSERT into pitest2(f1, f2) VALUES ('2016-07-4', 'from pitest2');
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INSERT INTO pitest2 (f1, f2) VALUES ('2016-08-4', 'from pitest2');
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SELECT tableoid::regclass, f1, f2, f3 FROM pitest2;
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-- SET identity column
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ALTER TABLE pitest2_p1 ALTER COLUMN f3 SET GENERATED BY DEFAULT; -- fails
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ALTER TABLE pitest2_p1 ALTER COLUMN f3 SET INCREMENT BY 2; -- fails
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ALTER TABLE ONLY pitest2 ALTER COLUMN f3 SET GENERATED BY DEFAULT SET INCREMENT BY 2 SET START WITH 1000 RESTART; -- fails
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ALTER TABLE pitest2 ALTER COLUMN f3 SET GENERATED BY DEFAULT SET INCREMENT BY 2 SET START WITH 1000 RESTART;
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INSERT into pitest2(f1, f2, f3) VALUES ('2016-07-5', 'from pitest2', 200);
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INSERT INTO pitest2(f1, f2) VALUES ('2016-08-5', 'from pitest2');
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INSERT into pitest2_p1 (f1, f2) VALUES ('2016-07-6', 'from pitest2_p1');
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INSERT INTO pitest2_p2 (f1, f2, f3) VALUES ('2016-08-6', 'from pitest2_p2', 300);
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SELECT tableoid::regclass, f1, f2, f3 FROM pitest2;
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-- detaching a partition removes identity property
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ALTER TABLE pitest2 DETACH PARTITION pitest2_p1;
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INSERT into pitest2(f1, f2) VALUES ('2016-08-7', 'from pitest2');
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INSERT into pitest2_p1 (f1, f2) VALUES ('2016-07-7', 'from pitest2_p1'); -- error
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INSERT into pitest2_p1 (f1, f2, f3) VALUES ('2016-07-7', 'from pitest2_p1', 2000);
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SELECT tableoid::regclass, f1, f2, f3 FROM pitest2;
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SELECT tableoid::regclass, f1, f2, f3 FROM pitest2_p1;
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DROP TABLE pitest2_p1;
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-- changing a regular column to identity column in a partitioned table
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CREATE TABLE pitest3 (f1 date NOT NULL, f2 text, f3 int) PARTITION BY RANGE (f1);
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CREATE TABLE pitest3_p1 PARTITION OF pitest3 FOR VALUES FROM ('2016-07-01') TO ('2016-08-01');
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INSERT into pitest3 VALUES ('2016-07-2', 'from pitest3', 1);
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INSERT into pitest3_p1 VALUES ('2016-07-3', 'from pitest3_p1', 2);
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-- fails, changing only a partition not allowed
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ALTER TABLE pitest3_p1
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ALTER COLUMN f3 SET NOT NULL,
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ALTER COLUMN f3 ADD GENERATED ALWAYS AS IDENTITY (START WITH 3);
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-- fails, changing only the partitioned table not allowed
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ALTER TABLE ONLY pitest3
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ALTER COLUMN f3 SET NOT NULL,
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ALTER COLUMN f3 ADD GENERATED ALWAYS AS IDENTITY (START WITH 3);
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ALTER TABLE pitest3
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ALTER COLUMN f3 SET NOT NULL,
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ALTER COLUMN f3 ADD GENERATED ALWAYS AS IDENTITY (START WITH 3);
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INSERT into pitest3(f1, f2) VALUES ('2016-07-4', 'from pitest3');
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INSERT into pitest3_p1 (f1, f2) VALUES ('2016-07-5', 'from pitest3_p1');
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SELECT tableoid::regclass, f1, f2, f3 FROM pitest3;
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-- changing an identity column to a non-identity column in a partitioned table
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ALTER TABLE pitest3_p1 ALTER COLUMN f3 DROP IDENTITY; -- fails
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ALTER TABLE ONLY pitest3 ALTER COLUMN f3 DROP IDENTITY; -- fails
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ALTER TABLE pitest3 ALTER COLUMN f3 DROP IDENTITY;
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INSERT into pitest3(f1, f2) VALUES ('2016-07-4', 'from pitest3'); -- fails
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INSERT into pitest3_p1 (f1, f2) VALUES ('2016-07-5', 'from pitest3_p1'); -- fails
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INSERT into pitest3(f1, f2, f3) VALUES ('2016-07-6', 'from pitest3', 5);
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INSERT into pitest3_p1 (f1, f2, f3) VALUES ('2016-07-7', 'from pitest3_p1', 6);
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SELECT tableoid::regclass, f1, f2, f3 FROM pitest3;
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-- Changing NOT NULL constraint of identity columns is not allowed
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ALTER TABLE pitest1_p1 ALTER COLUMN f3 DROP NOT NULL;
|
|
ALTER TABLE pitest1 ALTER COLUMN f3 DROP NOT NULL;
|
|
-- Identity columns have their own default
|
|
ALTER TABLE pitest1_p2 ALTER COLUMN f3 SET DEFAULT 10000;
|
|
ALTER TABLE pitest1 ALTER COLUMN f3 SET DEFAULT 10000;
|
|
-- Adding identity to an identity column is not allowed
|
|
ALTER TABLE pitest1_p2 ALTER COLUMN f3 ADD GENERATED BY DEFAULT AS IDENTITY;
|
|
ALTER TABLE pitest1 ALTER COLUMN f3 ADD GENERATED BY DEFAULT AS IDENTITY;
|
|
|
|
-- partitions with their own identity columns are not allowed, even if the
|
|
-- partitioned table does not have an identity column.
|
|
CREATE TABLE pitest1_pfail PARTITION OF pitest1 (
|
|
f3 WITH OPTIONS GENERATED ALWAYS AS IDENTITY
|
|
) FOR VALUES FROM ('2016-11-01') TO ('2016-12-01');
|
|
|
|
CREATE TABLE pitest_pfail PARTITION OF pitest3 (
|
|
f3 WITH OPTIONS GENERATED ALWAYS AS IDENTITY
|
|
) FOR VALUES FROM ('2016-07-01') TO ('2016-08-01');
|
|
|
|
CREATE TABLE pitest1_pfail (f1 date NOT NULL, f2 text, f3 bigint GENERATED ALWAYS AS IDENTITY);
|
|
ALTER TABLE pitest1 ATTACH PARTITION pitest1_pfail FOR VALUES FROM ('2016-11-01') TO ('2016-12-01');
|
|
ALTER TABLE pitest3 ATTACH PARTITION pitest1_pfail FOR VALUES FROM ('2016-11-01') TO ('2016-12-01');
|
|
|
|
DROP TABLE pitest1_pfail;
|
|
DROP TABLE pitest3;
|
|
|
|
-- test that sequence of half-dropped serial column is properly ignored
|
|
|
|
CREATE TABLE itest14 (id serial);
|
|
ALTER TABLE itest14 ALTER id DROP DEFAULT;
|
|
ALTER TABLE itest14 ALTER id ADD GENERATED BY DEFAULT AS IDENTITY;
|
|
INSERT INTO itest14 (id) VALUES (DEFAULT);
|
|
|
|
-- Identity columns must be NOT NULL (cf bug #16913)
|
|
|
|
CREATE TABLE itest15 (id integer GENERATED ALWAYS AS IDENTITY NULL); -- fail
|
|
CREATE TABLE itest15 (id integer NULL GENERATED ALWAYS AS IDENTITY); -- fail
|
|
CREATE TABLE itest15 (id integer GENERATED ALWAYS AS IDENTITY NOT NULL);
|
|
DROP TABLE itest15;
|
|
CREATE TABLE itest15 (id integer NOT NULL GENERATED ALWAYS AS IDENTITY);
|
|
DROP TABLE itest15;
|
|
|
|
-- MERGE tests
|
|
CREATE TABLE itest15 (a int GENERATED ALWAYS AS IDENTITY, b text);
|
|
CREATE TABLE itest16 (a int GENERATED BY DEFAULT AS IDENTITY, b text);
|
|
|
|
MERGE INTO itest15 t
|
|
USING (SELECT 10 AS s_a, 'inserted by merge' AS s_b) s
|
|
ON t.a = s.s_a
|
|
WHEN NOT MATCHED THEN
|
|
INSERT (a, b) VALUES (s.s_a, s.s_b);
|
|
|
|
-- Used to fail, but now it works and ignores the user supplied value
|
|
MERGE INTO itest15 t
|
|
USING (SELECT 20 AS s_a, 'inserted by merge' AS s_b) s
|
|
ON t.a = s.s_a
|
|
WHEN NOT MATCHED THEN
|
|
INSERT (a, b) OVERRIDING USER VALUE VALUES (s.s_a, s.s_b);
|
|
|
|
MERGE INTO itest15 t
|
|
USING (SELECT 30 AS s_a, 'inserted by merge' AS s_b) s
|
|
ON t.a = s.s_a
|
|
WHEN NOT MATCHED THEN
|
|
INSERT (a, b) OVERRIDING SYSTEM VALUE VALUES (s.s_a, s.s_b);
|
|
|
|
MERGE INTO itest16 t
|
|
USING (SELECT 10 AS s_a, 'inserted by merge' AS s_b) s
|
|
ON t.a = s.s_a
|
|
WHEN NOT MATCHED THEN
|
|
INSERT (a, b) VALUES (s.s_a, s.s_b);
|
|
|
|
MERGE INTO itest16 t
|
|
USING (SELECT 20 AS s_a, 'inserted by merge' AS s_b) s
|
|
ON t.a = s.s_a
|
|
WHEN NOT MATCHED THEN
|
|
INSERT (a, b) OVERRIDING USER VALUE VALUES (s.s_a, s.s_b);
|
|
|
|
MERGE INTO itest16 t
|
|
USING (SELECT 30 AS s_a, 'inserted by merge' AS s_b) s
|
|
ON t.a = s.s_a
|
|
WHEN NOT MATCHED THEN
|
|
INSERT (a, b) OVERRIDING SYSTEM VALUE VALUES (s.s_a, s.s_b);
|
|
|
|
SELECT * FROM itest15;
|
|
SELECT * FROM itest16;
|
|
DROP TABLE itest15;
|
|
DROP TABLE itest16;
|