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Tom Lane 1dd6700f44 Fix under-parenthesized display of AT TIME ZONE constructs. 
In commit 40c24bfef, I forgot to use get_rule_expr_paren() for the
arguments of AT TIME ZONE, resulting in possibly not printing parens
for expressions that need it.  But get_rule_expr_paren() wouldn't have
gotten it right anyway, because isSimpleNode() hadn't been taught that
COERCE_SQL_SYNTAX parent nodes don't guarantee sufficient parentheses.
Improve all that.  Also use this methodology for F_IS_NORMALIZED, so
that we don't print useless parens for that.

In passing, remove a comment that was obsoleted later.

Per report from Duncan Sands.  Back-patch to v14 where this code
came in.  (Before that, we didn't try to print AT TIME ZONE that way,
so there was no bug just ugliness.)

Discussion: https://postgr.es/m/f41566aa-a057-6628-4b7c-b48770ecb84a@deepbluecap.com
2022-12-01 11:38:14 -05:00
..
authentication Add TAP tests for include directives in HBA end ident files 2022-11-28 15:19:06 +09:00
examples Remove configure probe for sys/select.h. 2022-08-14 00:09:47 +12:00
icu meson: Add initial version of meson based build system 2022-09-21 22:37:17 -07:00
isolation Make materialized views participate in predicate locking 2022-12-01 15:41:13 +09:00
kerberos Introduce SYSTEM_USER 2022-09-29 15:05:40 +09:00
ldap Make finding openssl program a configure or meson option 2022-10-20 21:05:42 +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 Disable debug_discard_caches in test_oat_hooks test. 2022-11-19 13:42:53 -05:00
perl Fix perl warning from commit 9b4eafcaf4 2022-11-23 07:03:06 -05:00
recovery If wait_for_catchup fails under has_wal_read_bug, skip balance of test. 2022-11-12 11:19:50 -08:00
regress Fix under-parenthesized display of AT TIME ZONE constructs. 2022-12-01 11:38:14 -05:00
ssl Make finding openssl program a configure or meson option 2022-10-20 21:05:42 +02:00
subscription Shave some cycles off subscription/t/100_bugs.pl tests. 2022-11-16 12:35:25 -05:00
Makefile Refactor PG_TEST_EXTRA logic in autoconf build 2022-09-20 11:24:16 -07:00
meson.build meson: Add initial version of meson based build system 2022-09-21 22:37:17 -07:00
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