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Tom Lane 5b8e442953 Make plan_cluster_use_sort cope with no IndexOptInfo for the target index. 
The original coding assumed that such a case represents caller error, but
actually get_relation_info will omit generating an IndexOptInfo for any
index it thinks is unsafe to use.  Therefore, handle this case by returning
"true" to indicate that a seqscan-and-sort is the preferred way to
implement the CLUSTER operation.  New bug in 9.1, no backpatch needed.
Per bug #5985 from Daniel Grace.
2011-04-20 17:44:17 -04:00
config Better support for thread-support flag detection with clang 2011-02-16 23:15:54 +02:00
contrib Pg_upgrade C comment addition. 2011-04-20 05:45:31 -04:00
doc Document COLLATE option in CREATE TYPE reference page. 2011-04-17 17:05:51 -04:00
src Make plan_cluster_use_sort cope with no IndexOptInfo for the target index. 2011-04-20 17:44:17 -04:00
.gitignore Add gitignore entries for Windows MSVC builds 2011-04-19 20:04:41 +03:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure Support for DragonFly BSD 2011-03-02 21:15:28 +02:00
configure.in Support for DragonFly BSD 2011-03-02 21:15:28 +02:00
COPYRIGHT Stamp copyrights for year 2011. 2011-01-01 13:18:15 -05:00
GNUmakefile.in Add maintainer-check target 2011-03-28 22:56:52 +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

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/.