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171e0418b0
postgresql/src/test
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Andres Freund 171e0418b0 Fix heap_getattr() handling of fast defaults. 
Previously heap_getattr() returned NULL for attributes with a fast
default value (c.f. 16828d5c02), as it had no handling whatsoever
for that case.

A previous fix, 7636e5c60f, attempted to fix issues caused by this
oversight, but just expanding OLD tuples for triggers doesn't actually
solve the underlying issue.

One known consequence of this bug is that the check for HOT updates
can return the wrong result, when a previously fast-default'ed column
is set to NULL. Which in turn means that an index over a column with
fast default'ed columns might be corrupt if the underlying column(s)
allow NULLs.

Fix by handling fast default columns in heap_getattr(), remove now
superfluous expansion in GetTupleForTrigger().

Author: Andres Freund
Discussion: https://postgr.es/m/20190201162404.onngi77f26baem4g@alap3.anarazel.de
Backpatch: 11, where fast defaults were introduced
2019-02-06 01:09:32 -08:00
..
authentication Update copyright for 2019 2019-01-02 12:44:25 -05:00
examples Update copyright for 2019 2019-01-02 12:44:25 -05:00
isolation In the planner, replace an empty FROM clause with a dummy RTE. 2019-01-28 17:54:23 -05:00
kerberos Update copyright for 2019 2019-01-02 12:44:25 -05:00
ldap Update copyright for 2019 2019-01-02 12:44:25 -05:00
locale Make sort-test.py Python 3 compatible 2019-01-04 11:23:24 +01:00
mb Fix MB regression tests for WAL-logging of hash indexes. 2017-03-15 07:25:36 -04:00
modules Refactor planner's header files. 2019-01-29 15:48:51 -05:00
perl Update copyright for 2019 2019-01-02 12:44:25 -05:00
recovery Allow for yet another crash symptom in 013_crash_restart.pl. 2019-01-26 22:12:48 -05:00
regress Fix heap_getattr() handling of fast defaults. 2019-02-06 01:09:32 -08:00
ssl Add more columns to pg_stat_ssl 2019-02-01 00:33:47 +01:00
subscription Fix a crash in logical replication 2019-01-30 08:49:54 +01:00
thread Ensure link commands list *.o files before LDFLAGS. 2019-01-02 13:57:54 -05:00
Makefile Revert "Allow on-line enabling and disabling of data checksums" 2018-04-09 19:03:42 +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