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postgres_fdw: Split out the query_cancel test to its own file

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This allows us to skip it in Cygwin, where it's reportedly flaky because
of platform bugs or something.

Backpatch to 17, where the test was introduced by commit 2466d6654f.

Reported-by: Alexander Lakhin <exclusion@gmail.com>
Discussion: https://postgr.es/m/e4d0cb33-6be5-e4d5-ae49-9eac3ff2b005@gmail.com
This commit is contained in:
Alvaro Herrera
2024-07-22 12:49:57 +02:00
parent 9ac6995d6b
commit d329a515f4
7 changed files with 37 additions and 25 deletions
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8
contrib/postgres_fdw/sql/postgres_fdw.sql
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@ -742,14 +742,6 @@ SELECT t1.c1, t2.c2 FROM v4 t1 LEFT JOIN ft5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c
SELECT t1.c1, t2.c2 FROM v4 t1 LEFT JOIN ft5 t2 ON (t1.c1 = t2.c1) ORDER BY t1.c1, t2.c1 OFFSET 10 LIMIT 10;
ALTER VIEW v4 OWNER TO regress_view_owner;
-- Make sure this big CROSS JOIN query is pushed down
EXPLAIN (VERBOSE, COSTS OFF) SELECT count(*) FROM ft1 CROSS JOIN ft2 CROSS JOIN ft4 CROSS JOIN ft5;
-- Make sure query cancellation works
BEGIN;
SET LOCAL statement_timeout = '10ms';
select count(*) from ft1 CROSS JOIN ft2 CROSS JOIN ft4 CROSS JOIN ft5; -- this takes very long
COMMIT;
-- ====================================================================
-- Check that userid to use when querying the remote table is correctly
-- propagated into foreign rels present in subqueries under an UNION ALL

12
contrib/postgres_fdw/sql/query_cancel.sql Normal file
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@ -0,0 +1,12 @@
SELECT version() ~ 'cygwin' AS skip_test \gset
\if :skip_test
\quit
\endif
-- Make sure this big CROSS JOIN query is pushed down
EXPLAIN (VERBOSE, COSTS OFF) SELECT count(*) FROM ft1 CROSS JOIN ft2 CROSS JOIN ft4 CROSS JOIN ft5;
-- Make sure query cancellation works
BEGIN;
SET LOCAL statement_timeout = '10ms';
select count(*) from ft1 CROSS JOIN ft2 CROSS JOIN ft4 CROSS JOIN ft5; -- this takes very long
COMMIT;