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