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Alvaro Herrera e5e2fc842c Modernise pg_hba.conf token processing 
The previous coding was ugly, as it marked special tokens as such in the
wrong stage, relying on workarounds to figure out if they had been
quoted in the original or not.  This made it impossible to have specific
keywords be recognized as such only in certain positions in HBA lines,
for example.  Fix by restructuring the parser code so that it remembers
whether tokens were quoted or not.  This eliminates widespread knowledge
of possible known keywords for all fields.

Also improve memory management in this area, to use memory contexts that
are reset as a whole instead of using retail pfrees; this removes a
whole lotta crufty (and probably slow) code.

Instead of calling strlen() three times in next_field_expand on the
returned token to find out whether there was a comma (and strip it),
pass back the info directly from the callee, which is simpler.

In passing, update historical artifacts in hba.c API.

Authors: Brendan Jurd, Alvaro Herrera
Reviewed by Pavel Stehule
 		2011-06-28 15:57:24 -04:00
config Adjust configure to use "+Olibmerrno" with HP-UX C compiler, if possible. 2011-05-26 17:29:33 -04:00
contrib Async dblink functions require a named connection, and therefore should 2011-06-25 15:58:07 -07:00
doc Implement the collation columns of various information schema views 2011-06-28 17:49:28 +03:00
src Modernise pg_hba.conf token processing 2011-06-28 15:57:24 -04:00
.gitignore Add gitignore for mingw/cygwin build outputs 2011-06-09 18:11:47 +02:00
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
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure Start using flexible array members 2011-06-16 22:45:38 +03:00
configure.in Start using flexible array members 2011-06-16 22:45:38 +03:00

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/.