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Tom Lane 91715e8293 Fix management of fn_extra caching during repeated GiST index scans. 
Commit d22a09dc70 introduced official support
for GiST consistentFns that want to cache data using the FmgrInfo fn_extra
pointer: the idea was to preserve the cached values across gistrescan(),
whereas formerly they'd been leaked.  However, there was an oversight in
that, namely that multiple scan keys might reference the same column's
consistentFn; the code would result in propagating the same cache value
into multiple scan keys, resulting in crashes or wrong answers.  Use a
separate array instead to ensure that each scan key keeps its own state.

Per bug #8143 from Joel Roller.  Back-patch to 9.2 where the bug was
introduced.
 		2013-05-09 23:09:04 -04:00
config Compiler optimizations for page checksum code. 2013-04-30 06:59:26 +01:00
contrib Use pg_dump's --quote-all-identifiers option in pg_upgrade. 2013-05-09 17:34:34 -04:00
doc Update key words table for 9.3 2013-05-09 22:26:04 -04:00
src Fix management of fn_extra caching during repeated GiST index scans. 2013-05-09 23:09:04 -04:00
.gitignore Add pkg-config files for libpq and ecpg libraries 2013-03-31 16:58:40 -04:00
COPYRIGHT Update copyrights for 2013 2013-01-01 17:15:01 -05:00
GNUmakefile.in Make init-po and update-po recursive make targets 2012-06-29 14:01:54 +03:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
README.git Trivial typo fix. 2010-09-21 14:16:00 -04:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure Stamp 9.3beta1. 2013-05-06 16:57:06 -04:00
configure.in Stamp 9.3beta1. 2013-05-06 16:57:06 -04:00

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.  Changes between all PostgreSQL releases are recorded in the
file HISTORY.  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/.