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Tom Lane cb1cc305bc Remove assumptions that not-equals operators cannot be in any opclass. 
get_op_btree_interpretation assumed this in order to save some duplication
of code, but it's not true in general anymore because we added <> support
to btree_gist.  (We still assume it for btree opclasses, though.)

Also, essentially the same logic was baked into predtest.c.  Get rid of
that duplication by generalizing get_op_btree_interpretation so that it
can be used by predtest.c.

Per bug report from Denis de Bernardy and investigation by Jeff Davis,
though I didn't use Jeff's patch exactly as-is.

Back-patch to 9.1; we do not support this usage before that.
2011-07-06 14:53:42 -04:00
config Adjust configure to use "+Olibmerrno" with HP-UX C compiler, if possible. 2011-05-26 17:29:33 -04:00
contrib Make the file_fdw validator check that a filename option has been provided. 2011-07-05 18:46:09 -04:00
doc Restructure foreign data wrapper chapter so it has more than one section. 2011-07-05 15:54:51 -04:00
src Remove assumptions that not-equals operators cannot be in any opclass. 2011-07-06 14:53:42 -04:00
.gitignore Add gitignore for mingw/cygwin build outputs 2011-06-09 18:11:47 +02:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure Tag 9.1beta2. 2011-06-09 19:40:42 -04:00
configure.in Tag 9.1beta2. 2011-06-09 19:40:42 -04:00
COPYRIGHT Stamp copyrights for year 2011. 2011-01-01 13:18:15 -05:00
GNUmakefile.in Support "make check" in contrib 2011-04-25 22:27:11 +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/.