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Tom Lane 9f4f0a0dad Fix incorrect logic in HaveRegisteredOrActiveSnapshot(). 
This function gave the wrong answer when there's more than one
RegisteredSnapshots entry, whether or not any of them is the
CatalogSnapshot.  This leads to assertion failure in some scenarios
involving fetching toasted data using a cursor.  (As per discussion,
I'm dubious that this is the right contract to be enforcing at all;
but it surely doesn't help to be enforcing it incorrectly.)

Fetching toasted data using a cursor is evidently under-tested,
so add a test case too.

Per report from Erik Rijkers.  This is new code, so no need for
back-patch.

Discussion: https://postgr.es/m/dc9dd229-ed30-6c62-4c41-d733ffff776b@xs4all.nl
2022-04-16 16:04:50 -04:00
..
authentication Replace Test::More plans with done_testing 2022-02-11 20:54:44 +01:00
examples Update copyright for 2022 2022-01-07 19:04:57 -05:00
icu Fix global ICU collations for ICU < 54 2022-03-20 10:21:45 +01:00
isolation pgstat: Hide instability in stats.spec with -DCATCACHE_FORCE_RELEASE. 2022-04-07 18:20:50 -07:00
kerberos Replace Test::More plans with done_testing 2022-02-11 20:54:44 +01:00
ldap Remove more unused module imports from TAP tests 2022-03-27 22:26:40 +02:00
locale pycodestyle (PEP 8) cleanup in Python scripts 2022-03-09 10:54:20 +01:00
mb Fix MB regression tests for WAL-logging of hash indexes. 2017-03-15 07:25:36 -04:00
modules Remove extraneous blank lines before block-closing braces 2022-04-13 19:16:02 +02:00
perl Add timestamp and elapsed time decorations to TAP test logs 2022-04-10 09:19:09 -04:00
recovery pgstat: set timestamps of fixed-numbered stats after a crash. 2022-04-14 17:40:25 -07:00
regress Fix incorrect logic in HaveRegisteredOrActiveSnapshot(). 2022-04-16 16:04:50 -04:00
ssl libpq: Allow IP address SANs in server certificates 2022-04-01 15:51:23 +02:00
subscription pgstat: add/extend tests for resetting various kinds of stats. 2022-04-07 15:43:43 -07:00
Makefile Add option to use ICU as global locale provider 2022-03-17 11:13:16 +01:00
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