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Tom Lane 31ce32ade4 Fix failure to handle conflicts in non-arbiter exclusion constraints. 
ExecInsertIndexTuples treated an exclusion constraint as subject to
noDupErr processing even when it was not listed in arbiterIndexes, and
would therefore not error out for a conflict in such a constraint, instead
returning it as an arbiter-index failure.  That led to an infinite loop in
ExecInsert, since ExecCheckIndexConstraints ignored the index as-intended
and therefore didn't throw the expected error.  To fix, make the exclusion
constraint code path use the same condition as the index_insert call does
to decide whether no-error-for-duplicates behavior is appropriate.  While
at it, refactor a little bit to avoid unnecessary list_member_oid calls.
(That surely wouldn't save anything worth noticing, but I find the code
a bit clearer this way.)

Per bug report from Heikki Rauhala.  Back-patch to 9.5 where ON CONFLICT
was introduced.

Report: <4C976D6B-76B4-434C-8052-D009F7B7AEDA@reaktor.fi>
2016-07-04 16:09:11 -04:00
config Fix configure's incorrect version tests for flex and perl. 2016-05-02 11:18:10 -04:00
contrib Fix handling of multixacts predating pg_upgrade 2016-06-24 18:29:28 -04:00
doc doc: mention dependency on collation libraries 2016-07-02 11:22:36 -04:00
src Fix failure to handle conflicts in non-arbiter exclusion constraints. 2016-07-04 16:09:11 -04:00
.dir-locals.el emacs: Set indent-tabs-mode in perl-mode 2015-04-12 23:53:23 -04:00
.gitattributes Add functions for dealing with PGP armor header lines to pgcrypto. 2014-10-01 16:03:39 +03:00
.gitignore Improve speed of make check-world 2015-04-23 08:59:52 -04:00
aclocal.m4 Revert changes to pthread configure tests on REL9_5_STABLE. 2015-07-09 10:59:10 +03:00
configure Stamp 9.5.3. 2016-05-09 16:50:23 -04:00
configure.in Stamp 9.5.3. 2016-05-09 16:50:23 -04:00
COPYRIGHT Update copyright for 2016 2016-01-02 13:33:39 -05:00
GNUmakefile.in Fix distclean/maintainer-clean targets to remove top-level tmp_install dir. 2015-05-13 18:48:05 -04:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:17 -05:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00

README 

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	http://www.postgresql.org/download

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
http://www.postgresql.org/download/.  For more information look at our
web site located at http://www.postgresql.org/.