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Tom Lane e032e4c7dd 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 12:42:19 -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 Remove useless casts to (void *) 2024-11-28 08:27:20 +01:00
kerberos Move Kerberos module 2024-04-08 02:49:30 +03:00
ldap ldapurl is supported with simple bind 2024-07-23 10:17:55 +02:00
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 Remove useless casts to (void *) 2024-11-28 08:27:20 +01:00
perl Kill dead-end children when there's nothing else left 2024-11-14 16:12:04 +02:00
postmaster Kill dead-end children when there's nothing else left 2024-11-14 16:12:04 +02:00
recovery Improve handling of empty query results in BackgroundPsql::query() 2024-11-07 12:11:27 +09:00
regress Avoid mislabeling of lateral references, redux. 2024-11-30 12:42:19 -05:00
ssl Support configuring TLSv1.3 cipher suites 2024-10-24 15:20:32 +02:00
subscription Fix buildfarm failure from commit 8fcd80258b. 2024-11-27 14:54:26 +05:30
Makefile Add PG_TEST_EXTRA configure option to the Make builds 2024-11-04 14:09:38 +02:00
meson.build Add test for connection limits 2024-10-08 15:06:26 +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