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Tom Lane eb145fdfea Fix dumping of outer joins with empty qual lists. 
Normally, a JoinExpr would have empty "quals" only if it came from CROSS
JOIN syntax.  However, it's possible to get to this state by specifying
NATURAL JOIN between two tables with no common column names, and there
might be other ways too.  The code previously printed no ON clause if
"quals" was empty; that's right for CROSS JOIN but syntactically invalid
if it's some type of outer join.  Fix by printing ON TRUE in that case.

This got broken by commit 2ffa740be, which stopped using NATURAL JOIN
syntax in ruleutils output due to its brittleness in the face of
column renamings.  Back-patch to 9.3 where that commit appeared.

Per report from Tushar Ahuja.

Discussion: https://postgr.es/m/98b283cd-6dda-5d3f-f8ac-87db8c76a3da@enterprisedb.com
2017-07-20 11:29:36 -04:00
..
authentication Post-PG 10 beta1 pgperltidy run 2017-05-17 19:01:23 -04:00
examples Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
isolation Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
locale Clean up Perl code according to perlcritic 2017-03-27 08:18:22 -04:00
mb Fix MB regression tests for WAL-logging of hash indexes. 2017-03-15 07:25:36 -04:00
modules commit_ts test: Set node name in test 2017-07-12 14:39:44 -04:00
perl Improve legibility of numeric literal 2017-07-17 15:35:46 -04:00
recovery Fix another race-condition-ish issue in recovery/t/001_stream_rep.pl. 2017-07-05 23:59:20 -04:00
regress Fix dumping of outer joins with empty qual lists. 2017-07-20 11:29:36 -04:00
ssl Remove incorrect comment 2017-06-17 10:19:48 +02:00
subscription Fix replication with replica identity full 2017-06-23 15:40:17 -04:00
thread Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
Makefile Add TAP tests for password-based authentication methods. 2017-03-17 11:34:16 +02:00
README Add TAP tests for password-based authentication methods. 2017-03-17 11:34:16 +02:00

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

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

isolation/
  Tests for concurrent behavior at the SQL level

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

thread/
  A thread-safety-testing utility used by configure