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--
-- TEMP
-- Test temp relations and indexes
--
-- test temp table/index masking
CREATE TABLE temptest(col int);
CREATE INDEX i_temptest ON temptest(col);
CREATE TEMP TABLE temptest(tcol int);
CREATE INDEX i_temptest ON temptest(tcol);
SELECT * FROM temptest;
DROP INDEX i_temptest;
DROP TABLE temptest;
SELECT * FROM temptest;
DROP INDEX i_temptest;
DROP TABLE temptest;
-- test temp table selects
CREATE TABLE temptest(col int);
INSERT INTO temptest VALUES (1);
CREATE TEMP TABLE temptest(tcol float);
INSERT INTO temptest VALUES (2.1);
SELECT * FROM temptest;
DROP TABLE temptest;
SELECT * FROM temptest;
DROP TABLE temptest;
-- test temp table deletion
CREATE TEMP TABLE temptest(col int);
\c
SELECT * FROM temptest;
-- Test ON COMMIT DELETE ROWS
CREATE TEMP TABLE temptest(col int) ON COMMIT DELETE ROWS;
BEGIN;
INSERT INTO temptest VALUES (1);
INSERT INTO temptest VALUES (2);
SELECT * FROM temptest;
COMMIT;
SELECT * FROM temptest;
DROP TABLE temptest;
BEGIN;
CREATE TEMP TABLE temptest(col) ON COMMIT DELETE ROWS AS SELECT 1;
SELECT * FROM temptest;
COMMIT;
SELECT * FROM temptest;
DROP TABLE temptest;
-- Test ON COMMIT DROP
BEGIN;
CREATE TEMP TABLE temptest(col int) ON COMMIT DROP;
INSERT INTO temptest VALUES (1);
INSERT INTO temptest VALUES (2);
SELECT * FROM temptest;
COMMIT;
SELECT * FROM temptest;
BEGIN;
CREATE TEMP TABLE temptest(col) ON COMMIT DROP AS SELECT 1;
SELECT * FROM temptest;
COMMIT;
SELECT * FROM temptest;
-- ON COMMIT is only allowed for TEMP
CREATE TABLE temptest(col int) ON COMMIT DELETE ROWS;
CREATE TABLE temptest(col) ON COMMIT DELETE ROWS AS SELECT 1;
-- Test foreign keys
BEGIN;
CREATE TEMP TABLE temptest1(col int PRIMARY KEY);
CREATE TEMP TABLE temptest2(col int REFERENCES temptest1)
ON COMMIT DELETE ROWS;
INSERT INTO temptest1 VALUES (1);
INSERT INTO temptest2 VALUES (1);
COMMIT;
SELECT * FROM temptest1;
SELECT * FROM temptest2;
BEGIN;
CREATE TEMP TABLE temptest3(col int PRIMARY KEY) ON COMMIT DELETE ROWS;
CREATE TEMP TABLE temptest4(col int REFERENCES temptest3);
COMMIT;
-- Test manipulation of temp schema's placement in search path
create table public.whereami (f1 text);
insert into public.whereami values ('public');
create temp table whereami (f1 text);
insert into whereami values ('temp');
create function public.whoami() returns text
as $$select 'public'::text$$ language sql;
create function pg_temp.whoami() returns text
as $$select 'temp'::text$$ language sql;
-- default should have pg_temp implicitly first, but only for tables
select * from whereami;
select whoami();
-- can list temp first explicitly, but it still doesn't affect functions
set search_path = pg_temp, public;
select * from whereami;
select whoami();
-- or put it last for security
set search_path = public, pg_temp;
select * from whereami;
select whoami();
-- you can invoke a temp function explicitly, though
select pg_temp.whoami();
drop table public.whereami;
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