139 lines
4.8 KiB
PL/PgSQL
139 lines
4.8 KiB
PL/PgSQL
--
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-- SELECT_INTO
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--
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SELECT *
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INTO TABLE sitmp1
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FROM onek
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WHERE onek.unique1 < 2;
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DROP TABLE sitmp1;
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SELECT *
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INTO TABLE sitmp1
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FROM onek2
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WHERE onek2.unique1 < 2;
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DROP TABLE sitmp1;
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--
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-- SELECT INTO and INSERT permission, if owner is not allowed to insert.
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--
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CREATE SCHEMA selinto_schema;
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CREATE USER regress_selinto_user;
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ALTER DEFAULT PRIVILEGES FOR ROLE regress_selinto_user
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REVOKE INSERT ON TABLES FROM regress_selinto_user;
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GRANT ALL ON SCHEMA selinto_schema TO public;
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SET SESSION AUTHORIZATION regress_selinto_user;
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-- WITH DATA, passes.
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CREATE TABLE selinto_schema.tbl_withdata1 (a)
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AS SELECT generate_series(1,3) WITH DATA;
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INSERT INTO selinto_schema.tbl_withdata1 VALUES (4);
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE selinto_schema.tbl_withdata2 (a) AS
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SELECT generate_series(1,3) WITH DATA;
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-- WITH NO DATA, passes.
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CREATE TABLE selinto_schema.tbl_nodata1 (a) AS
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SELECT generate_series(1,3) WITH NO DATA;
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE selinto_schema.tbl_nodata2 (a) AS
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SELECT generate_series(1,3) WITH NO DATA;
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-- EXECUTE and WITH DATA, passes.
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PREPARE data_sel AS SELECT generate_series(1,3);
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CREATE TABLE selinto_schema.tbl_withdata3 (a) AS
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EXECUTE data_sel WITH DATA;
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE selinto_schema.tbl_withdata4 (a) AS
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EXECUTE data_sel WITH DATA;
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-- EXECUTE and WITH NO DATA, passes.
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CREATE TABLE selinto_schema.tbl_nodata3 (a) AS
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EXECUTE data_sel WITH NO DATA;
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE selinto_schema.tbl_nodata4 (a) AS
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EXECUTE data_sel WITH NO DATA;
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RESET SESSION AUTHORIZATION;
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ALTER DEFAULT PRIVILEGES FOR ROLE regress_selinto_user
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GRANT INSERT ON TABLES TO regress_selinto_user;
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SET SESSION AUTHORIZATION regress_selinto_user;
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RESET SESSION AUTHORIZATION;
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DEALLOCATE data_sel;
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DROP SCHEMA selinto_schema CASCADE;
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DROP USER regress_selinto_user;
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-- Tests for WITH NO DATA and column name consistency
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CREATE TABLE ctas_base (i int, j int);
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INSERT INTO ctas_base VALUES (1, 2);
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CREATE TABLE ctas_nodata (ii, jj, kk) AS SELECT i, j FROM ctas_base; -- Error
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CREATE TABLE ctas_nodata (ii, jj, kk) AS SELECT i, j FROM ctas_base WITH NO DATA; -- Error
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CREATE TABLE ctas_nodata (ii, jj) AS SELECT i, j FROM ctas_base; -- OK
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CREATE TABLE ctas_nodata_2 (ii, jj) AS SELECT i, j FROM ctas_base WITH NO DATA; -- OK
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CREATE TABLE ctas_nodata_3 (ii) AS SELECT i, j FROM ctas_base; -- OK
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CREATE TABLE ctas_nodata_4 (ii) AS SELECT i, j FROM ctas_base WITH NO DATA; -- OK
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SELECT * FROM ctas_nodata;
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SELECT * FROM ctas_nodata_2;
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SELECT * FROM ctas_nodata_3;
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SELECT * FROM ctas_nodata_4;
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DROP TABLE ctas_base;
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DROP TABLE ctas_nodata;
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DROP TABLE ctas_nodata_2;
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DROP TABLE ctas_nodata_3;
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DROP TABLE ctas_nodata_4;
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--
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-- CREATE TABLE AS/SELECT INTO as last command in a SQL function
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-- have been known to cause problems
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--
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CREATE FUNCTION make_table() RETURNS VOID
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AS $$
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CREATE TABLE created_table AS SELECT * FROM int8_tbl;
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$$ LANGUAGE SQL;
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SELECT make_table();
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SELECT * FROM created_table;
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-- Try EXPLAIN ANALYZE SELECT INTO and EXPLAIN ANALYZE CREATE TABLE AS
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-- WITH NO DATA, but hide the outputs since they won't be stable.
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DO $$
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BEGIN
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EXECUTE 'EXPLAIN ANALYZE SELECT * INTO TABLE easi FROM int8_tbl';
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EXECUTE 'EXPLAIN ANALYZE CREATE TABLE easi2 AS SELECT * FROM int8_tbl WITH NO DATA';
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END$$;
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DROP TABLE created_table;
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DROP TABLE easi, easi2;
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--
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-- Disallowed uses of SELECT ... INTO. All should fail
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--
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DECLARE foo CURSOR FOR SELECT 1 INTO int4_tbl;
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COPY (SELECT 1 INTO frak UNION SELECT 2) TO 'blob';
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SELECT * FROM (SELECT 1 INTO f) bar;
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CREATE VIEW foo AS SELECT 1 INTO int4_tbl;
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INSERT INTO int4_tbl SELECT 1 INTO f;
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-- Test CREATE TABLE AS ... IF NOT EXISTS
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CREATE TABLE ctas_ine_tbl AS SELECT 1;
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CREATE TABLE ctas_ine_tbl AS SELECT 1 / 0; -- error
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CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS SELECT 1 / 0; -- ok
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CREATE TABLE ctas_ine_tbl AS SELECT 1 / 0 WITH NO DATA; -- error
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CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS SELECT 1 / 0 WITH NO DATA; -- ok
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE ctas_ine_tbl AS SELECT 1 / 0; -- error
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS SELECT 1 / 0; -- ok
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE ctas_ine_tbl AS SELECT 1 / 0 WITH NO DATA; -- error
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS SELECT 1 / 0 WITH NO DATA; -- ok
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PREPARE ctas_ine_query AS SELECT 1 / 0;
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE ctas_ine_tbl AS EXECUTE ctas_ine_query; -- error
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EXPLAIN (ANALYZE, COSTS OFF, SUMMARY OFF, TIMING OFF)
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CREATE TABLE IF NOT EXISTS ctas_ine_tbl AS EXECUTE ctas_ine_query; -- ok
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DROP TABLE ctas_ine_tbl;
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