postgresql

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History

Michael Paquier d0518e965e Fix failures with cross-version pg_upgrade tests Buildfarm members skimmer and crake have reported that pg_upgrade running from v18 fails due to the changes of `d52c24b0f8`, with the expectations that the objects removed in the test module injection_points should still be present post upgrades, but the test module does not have them anymore. The origin of the issue is that the following test modules depend on injection_points, but they do not drop the extension once the tests finish, leaving its traces in the dumps used for the upgrades: - gin, down to v17 - typcache, down to v18 - nbtree, HEAD-only Test modules have no upgrade requirements, as they are used only for.. Tests, so there is no point in keeping them around. An alternative solution would be to drop the databases created by these modules in AdjustUpgrade.pm, but the solution of this commit to drop the extension is simpler. Note that there would be a catch if using a solution based on AdjustUpgrade.pm as the database name used for the test runs differs between configure and meson: - configure relies on USE_MODULE_DB for the database name unicity, that would build a database name based on the first entry of REGRESS, that lists all the SQL tests. - meson relies on a "name" field. For example, for the test module "gin", the regression database is named "regression_gin" under meson, while it is more complex for configure, as of "contrib_regression_gin_incomplete_splits". So a AdjustUpgrade.pm would need a set of DROP DATABASE IF EXISTS to solve this issue, to cope with each build system. The failure has been caused by `d52c24b0f8`, and the problem can happen with upgrade dumps from v17 and v18 to HEAD. This problem is not currently reachable in the back-branches, but it could be possible that a future change in injection_points in stable branches invalidates this theory, so this commit is applied down to v17 in the test modules that matter. Per discussion with Tom Lane and Heikki Linnakangas. Discussion: https://postgr.es/m/2899652.1765167313@sss.pgh.pa.us Backpatch-through: 17		2025-12-10 12:47:23 +09:00
..
authentication	Fix an assortment of typos	2024-05-04 02:33:25 +12:00
examples	Update copyright for 2024	2024-01-03 20:49:05 -05:00
icu	Address more review comments on commit `2d819a08a1`.	2024-03-18 11:58:13 -07:00
isolation	Fix Assert failure in EXPLAIN ANALYZE MERGE with a concurrent update.	2025-11-16 22:15:45 +00:00
kerberos	Move Kerberos module	2024-04-08 02:49:30 +03:00
ldap	Don't clobber test exit code at cleanup in LDAP/Kerberors tests	2024-04-07 20:21:27 +03:00
locale	Update copyright for 2024	2024-01-03 20:49:05 -05:00
mb	Fix MB regression tests for WAL-logging of hash indexes.	2017-03-15 07:25:36 -04:00
modules	Fix failures with cross-version pg_upgrade tests	2025-12-10 12:47:23 +09:00
perl	Show version of nodes in output of TAP tests	2025-12-05 09:21:18 +09:00
recovery	Fix timing-dependent failure in recovery test 004_timeline_switch	2025-11-05 16:48:24 +09:00
regress	Avoid rewriting data-modifying CTEs more than once.	2025-11-29 12:32:12 +00:00
ssl	Fix thinko in commit `7d129ba54`.	2025-10-20 08:45:57 -04:00
subscription	Fix self-deadlock during DROP SUBSCRIPTION.	2025-08-19 05:06:37 +00:00
Makefile	Refactor PG_TEST_EXTRA logic in autoconf build	2022-09-20 11:24:16 -07:00
meson.build	Move libpq encryption negotiation tests	2024-04-12 19:52:37 +03:00
README	Remove the option to build thread_test.c outside configure.	2020-10-21 12:08:48 -04:00

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 (but see also below)

examples/
  Demonstration programs for libpq that double as regression tests via
  "make check"

isolation/
  Tests for concurrent behavior at the SQL level

kerberos/
  Tests for Kerberos/GSSAPI authentication and encryption

ldap/
  Tests for LDAP-based authentication

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