database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-30 11:03:19 +03:00
Code Activity

postgres_fdw: Split out the query_cancel test to its own file

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

20
contrib/postgres_fdw/expected/query_cancel.out Normal file
View File

@ -0,0 +1,20 @@
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;
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------
Foreign Scan
Output: (count(*))
Relations: Aggregate on ((((public.ft1) INNER JOIN (public.ft2)) INNER JOIN (public.ft4)) INNER JOIN (public.ft5))
Remote SQL: SELECT count(*) FROM ((("S 1"."T 1" r1 INNER JOIN "S 1"."T 1" r2 ON (TRUE)) INNER JOIN "S 1"."T 3" r4 ON (TRUE)) INNER JOIN "S 1"."T 4" r6 ON (TRUE))
(4 rows)
-- 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
ERROR: canceling statement due to statement timeout
COMMIT;