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--
-- SELECT_INTO
--
SELECT *
INTO TABLE sitmp1
FROM onek
WHERE onek.unique1 < 2;
DROP TABLE sitmp1;
SELECT *
INTO TABLE sitmp1
FROM onek2
WHERE onek2.unique1 < 2;
DROP TABLE sitmp1;
--
-- SELECT INTO and INSERT permission, if owner is not allowed to insert.
--
CREATE SCHEMA selinto_schema;
CREATE USER regress_selinto_user;
ALTER DEFAULT PRIVILEGES FOR ROLE regress_selinto_user
REVOKE INSERT ON TABLES FROM regress_selinto_user;
GRANT ALL ON SCHEMA selinto_schema TO public;
SET SESSION AUTHORIZATION regress_selinto_user;
-- WITH DATA, passes.
CREATE TABLE selinto_schema.tbl_withdata1 (a)
AS SELECT generate_series(1,3) WITH DATA;
INSERT INTO selinto_schema.tbl_withdata1 VALUES (4);
ERROR: permission denied for table tbl_withdata1
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE selinto_schema.tbl_withdata2 (a) AS
SELECT generate_series(1,3) WITH DATA;
QUERY PLAN
--------------------------------------
ProjectSet (actual rows=3 loops=1)
-> Result (actual rows=1 loops=1)
(2 rows)
-- WITH NO DATA, passes.
CREATE TABLE selinto_schema.tbl_nodata1 (a) AS
SELECT generate_series(1,3) WITH NO DATA;
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE selinto_schema.tbl_nodata2 (a) AS
SELECT generate_series(1,3) WITH NO DATA;
QUERY PLAN
-------------------------------
ProjectSet (never executed)
-> Result (never executed)
(2 rows)
-- EXECUTE and WITH DATA, passes.
PREPARE data_sel AS SELECT generate_series(1,3);
CREATE TABLE selinto_schema.tbl_withdata3 (a) AS
EXECUTE data_sel WITH DATA;
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE selinto_schema.tbl_withdata4 (a) AS
EXECUTE data_sel WITH DATA;
QUERY PLAN
--------------------------------------
ProjectSet (actual rows=3 loops=1)
-> Result (actual rows=1 loops=1)
(2 rows)
-- EXECUTE and WITH NO DATA, passes.
CREATE TABLE selinto_schema.tbl_nodata3 (a) AS
EXECUTE data_sel WITH NO DATA;
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE selinto_schema.tbl_nodata4 (a) AS
EXECUTE data_sel WITH NO DATA;
QUERY PLAN
-------------------------------
ProjectSet (never executed)
-> Result (never executed)
(2 rows)
RESET SESSION AUTHORIZATION;
ALTER DEFAULT PRIVILEGES FOR ROLE regress_selinto_user
GRANT INSERT ON TABLES TO regress_selinto_user;
SET SESSION AUTHORIZATION regress_selinto_user;
RESET SESSION AUTHORIZATION;
DEALLOCATE data_sel;
DROP SCHEMA selinto_schema CASCADE;
NOTICE: drop cascades to 8 other objects
DETAIL: drop cascades to table selinto_schema.tbl_withdata1
drop cascades to table selinto_schema.tbl_withdata2
drop cascades to table selinto_schema.tbl_nodata1
drop cascades to table selinto_schema.tbl_nodata2
drop cascades to table selinto_schema.tbl_withdata3
drop cascades to table selinto_schema.tbl_withdata4
drop cascades to table selinto_schema.tbl_nodata3
drop cascades to table selinto_schema.tbl_nodata4
DROP USER regress_selinto_user;
-- Tests for WITH NO DATA and column name consistency
CREATE TABLE ctas_base (i int, j int);
INSERT INTO ctas_base VALUES (1, 2);
CREATE TABLE ctas_nodata (ii, jj, kk) AS SELECT i, j FROM ctas_base; -- Error
ERROR: too many column names were specified
CREATE TABLE ctas_nodata (ii, jj, kk) AS SELECT i, j FROM ctas_base WITH NO DATA; -- Error
ERROR: too many column names were specified
CREATE TABLE ctas_nodata (ii, jj) AS SELECT i, j FROM ctas_base; -- OK
CREATE TABLE ctas_nodata_2 (ii, jj) AS SELECT i, j FROM ctas_base WITH NO DATA; -- OK
CREATE TABLE ctas_nodata_3 (ii) AS SELECT i, j FROM ctas_base; -- OK
CREATE TABLE ctas_nodata_4 (ii) AS SELECT i, j FROM ctas_base WITH NO DATA; -- OK
SELECT * FROM ctas_nodata;
ii | jj
----+----
1 | 2
(1 row)
SELECT * FROM ctas_nodata_2;
ii | jj
----+----
(0 rows)
SELECT * FROM ctas_nodata_3;
ii | j
----+---
1 | 2
(1 row)
SELECT * FROM ctas_nodata_4;
ii | j
----+---
(0 rows)
DROP TABLE ctas_base;
DROP TABLE ctas_nodata;
DROP TABLE ctas_nodata_2;
DROP TABLE ctas_nodata_3;
DROP TABLE ctas_nodata_4;
--
-- CREATE TABLE AS/SELECT INTO as last command in a SQL function
-- have been known to cause problems
--
CREATE FUNCTION make_table() RETURNS VOID
AS $$
CREATE TABLE created_table AS SELECT * FROM int8_tbl;
$$ LANGUAGE SQL;
SELECT make_table();
make_table
------------
(1 row)
SELECT * FROM created_table;
q1 | q2
------------------+-------------------
123 | 456
123 | 4567890123456789
4567890123456789 | 123
4567890123456789 | 4567890123456789
4567890123456789 | -4567890123456789
(5 rows)
-- Try EXPLAIN ANALYZE SELECT INTO and EXPLAIN ANALYZE CREATE TABLE AS
-- WITH NO DATA, but hide the outputs since they won't be stable.
DO $$
BEGIN
EXECUTE 'EXPLAIN ANALYZE SELECT * INTO TABLE easi FROM int8_tbl';
EXECUTE 'EXPLAIN ANALYZE CREATE TABLE easi2 AS SELECT * FROM int8_tbl WITH NO DATA';
END$$;
DROP TABLE created_table;
DROP TABLE easi, easi2;
--
-- Disallowed uses of SELECT ... INTO. All should fail
--
DECLARE foo CURSOR FOR SELECT 1 INTO int4_tbl;
ERROR: SELECT ... INTO is not allowed here
LINE 1: DECLARE foo CURSOR FOR SELECT 1 INTO int4_tbl;
^
COPY (SELECT 1 INTO frak UNION SELECT 2) TO 'blob';
ERROR: COPY (SELECT INTO) is not supported
SELECT * FROM (SELECT 1 INTO f) bar;
ERROR: SELECT ... INTO is not allowed here
LINE 1: SELECT * FROM (SELECT 1 INTO f) bar;
^
CREATE VIEW foo AS SELECT 1 INTO int4_tbl;
ERROR: views must not contain SELECT INTO
INSERT INTO int4_tbl SELECT 1 INTO f;
ERROR: SELECT ... INTO is not allowed here
LINE 1: INSERT INTO int4_tbl SELECT 1 INTO f;
^
-- Test CREATE TABLE AS ... IF NOT EXISTS
CREATE TABLE ctas_ine_tbl AS SELECT 1;
CREATE TABLE ctas_ine_tbl AS SELECT 1 / 0; -- error
ERROR: relation "ctas_ine_tbl" already exists
CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS SELECT 1 / 0; -- ok
NOTICE: relation "ctas_ine_tbl" already exists, skipping
CREATE TABLE ctas_ine_tbl AS SELECT 1 / 0 WITH NO DATA; -- error
ERROR: relation "ctas_ine_tbl" already exists
CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS SELECT 1 / 0 WITH NO DATA; -- ok
NOTICE: relation "ctas_ine_tbl" already exists, skipping
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE ctas_ine_tbl AS SELECT 1 / 0; -- error
ERROR: relation "ctas_ine_tbl" already exists
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS SELECT 1 / 0; -- ok
NOTICE: relation "ctas_ine_tbl" already exists, skipping
QUERY PLAN
------------
(0 rows)
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE ctas_ine_tbl AS SELECT 1 / 0 WITH NO DATA; -- error
ERROR: relation "ctas_ine_tbl" already exists
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS SELECT 1 / 0 WITH NO DATA; -- ok
NOTICE: relation "ctas_ine_tbl" already exists, skipping
QUERY PLAN
------------
(0 rows)
PREPARE ctas_ine_query AS SELECT 1 / 0;
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE ctas_ine_tbl AS EXECUTE ctas_ine_query; -- error
ERROR: relation "ctas_ine_tbl" already exists
EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS EXECUTE ctas_ine_query; -- ok
NOTICE: relation "ctas_ine_tbl" already exists, skipping
QUERY PLAN
------------
(0 rows)
DROP TABLE ctas_ine_tbl;
|
