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670bf71f65
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Heikki Linnakangas 670bf71f65 Remove dead NULL-pointer checks in GiST code. 
gist_poly_compress() and gist_circle_compress() checked for a NULL-pointer
key argument, but that was dead code; the gist code never passes a
NULL-pointer to the "compress" method.

This commit also removes a documentation note added in commit a0a3883,
about doing NULL-pointer checks in the "compress" method. It was added
based on the fact that some implementations were doing NULL-pointer
checks, but those checks were unnecessary in the first place.

The NULL-pointer check in gbt_var_same() function was also unnecessary.
The arguments to the "same" method come from the "compress", "union", or
"picksplit" methods, but none of them return a NULL pointer.

None of this is to be confused with SQL NULL values. Those are dealt with
by the gist machinery, and are never passed to the GiST opclass methods.

Michael Paquier
2015-01-28 10:03:58 +02:00
config Remove configure test for nonstandard variants of getpwuid_r(). 2015-01-11 12:52:37 -05:00
contrib Remove dead NULL-pointer checks in GiST code. 2015-01-28 10:03:58 +02:00
doc Remove dead NULL-pointer checks in GiST code. 2015-01-28 10:03:58 +02:00
src Remove dead NULL-pointer checks in GiST code. 2015-01-28 10:03:58 +02:00
.dir-locals.el
.gitattributes Add functions for dealing with PGP armor header lines to pgcrypto. 2014-10-01 16:03:39 +03:00
.gitignore Update .gitignore for config.cache. 2014-12-18 19:56:42 +09:00
aclocal.m4
configure Allow CFLAGS from configure's environment to override automatic CFLAGS. 2015-01-14 11:08:13 -05:00
configure.in Allow CFLAGS from configure's environment to override automatic CFLAGS. 2015-01-14 11:08:13 -05:00
COPYRIGHT Update copyright for 2015 2015-01-06 11:43:47 -05:00
GNUmakefile.in Add TAP tests for client programs 2014-04-14 21:33:46 -04:00
HISTORY
Makefile
README
README.git

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/.