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Tom Lane 78883cd905 Avoid mislabeling of lateral references, redux. 
As I'd feared, commit 5c9d8636d was still a few bricks shy of a load.
We can't just leave pulled-up lateral-reference Vars with no new
nullingrels: we have to carefully compute what subset of the
to-be-replaced Var's nullingrels apply to them, else we still get
"wrong varnullingrels" errors.  This is a bit tedious, but it looks
like we can use the nullingrel data this patch computes for other
purposes, enabling better optimization.  We don't want to inject
unnecessary plan changes into stable branches though, so leave that
idea for a later HEAD-only patch.

Patch by me, but thanks to Richard Guo for devising a test case that
broke 5c9d8636d, and for preliminary investigation about how to fix
it.  As before, back-patch to v16.

Discussion: https://postgr.es/m/E1tGn4j-0003zi-MP@gemulon.postgresql.org
2024-11-30 12:42:20 -05:00
..
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 Revert "For inplace update, send nontransactional invalidations." 2024-11-02 09:05:00 -07:00
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
modules Fix per-session activation of ALTER {ROLE|DATABASE} SET role. 2024-11-15 20:39:59 -08:00
perl Fix description of PostgreSQL::Test::Cluster::wait_for_event() 2024-10-18 13:50:07 +09:00
recovery Avoid 037_invalid_database.pl hang under debug_discard_caches. 2024-09-27 15:29:00 -07:00
regress Avoid mislabeling of lateral references, redux. 2024-11-30 12:42:20 -05:00
ssl Force nodes for SSL tests to start in TCP mode 2024-07-08 11:40:58 -04:00
subscription Don't advance origin during apply failure. 2024-08-21 09:08:16 +05:30
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