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This test case could fail because of an incorrect result ordering when
looking up at pg_class entries. This commit adds an ORDER BY to the
culprit query. The cause of the failure was likely caused by a plan
switch. By default, the planner would likely choose an index-only scan
or an index scan, but even a small change in the startup cost could have
caused a bitmap heap scan to be chosen, causing the failure.
While on it, switch some filtering quals to a regular expression as per
an idea of Tom Lane. As previously shaped, the quals would have
selected any relations whose name begins with "temp". And that could
cause failures if another test running in parallel began to use similar
relation names.
Per report from buildfarm member anole, though the failure was very
rare. This test has been introduced by
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| .. | ||
| authentication | ||
| examples | ||
| isolation | ||
| kerberos | ||
| ldap | ||
| locale | ||
| mb | ||
| modules | ||
| perl | ||
| recovery | ||
| regress | ||
| ssl | ||
| subscription | ||
| thread | ||
| Makefile | ||
| README | ||
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. authentication/ Tests for authentication examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling subscription/ Tests for logical replication thread/ A thread-safety-testing utility used by configure