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2d00190495
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Tom Lane 2d00190495 Rationalize common/relpath.[hc]. 
Commit a730183926 created rather a mess by
putting dependencies on backend-only include files into include/common.
We really shouldn't do that.  To clean it up:

* Move TABLESPACE_VERSION_DIRECTORY back to its longtime home in
catalog/catalog.h.  We won't consider this symbol part of the FE/BE API.

* Push enum ForkNumber from relfilenode.h into relpath.h.  We'll consider
relpath.h as the source of truth for fork numbers, since relpath.c was
already partially serving that function, and anyway relfilenode.h was
kind of a random place for that enum.

* So, relfilenode.h now includes relpath.h rather than vice-versa.  This
direction of dependency is fine.  (That allows most, but not quite all,
of the existing explicit #includes of relpath.h to go away again.)

* Push forkname_to_number from catalog.c to relpath.c, just to centralize
fork number stuff a bit better.

* Push GetDatabasePath from catalog.c to relpath.c; it was rather odd
that the previous commit didn't keep this together with relpath().

* To avoid needing relfilenode.h in common/, redefine the underlying
function (now called GetRelationPath) as taking separate OID arguments,
and make the APIs using RelFileNode or RelFileNodeBackend into macro
wrappers.  (The macros have a potential multiple-eval risk, but none of
the existing call sites have an issue with that; one of them had such a
risk already anyway.)

* Fix failure to follow the directions when "init" fork type was added;
specifically, the errhint in forkname_to_number wasn't updated, and neither
was the SGML documentation for pg_relation_size().

* Fix tablespace-path-too-long check in CreateTableSpace() to account for
fork-name component of maximum-length pathnames.  This requires putting
FORKNAMECHARS into a header file, but it was rather useless (and
actually unreferenced) where it was.

The last couple of items are potentially back-patchable bug fixes,
if anyone is sufficiently excited about them; but personally I'm not.

Per a gripe from Christoph Berg about how include/common wasn't
self-contained.
2014-04-30 17:30:50 -04:00
config Allow use of "z" flag in our printf calls, and use it where appropriate. 2014-01-23 17:18:33 -05:00
contrib Rationalize common/relpath.[hc]. 2014-04-30 17:30:50 -04:00
doc Rationalize common/relpath.[hc]. 2014-04-30 17:30:50 -04:00
src Rationalize common/relpath.[hc]. 2014-04-30 17:30:50 -04:00
.dir-locals.el Update Emacs configuration 2013-08-13 20:08:44 -04:00
.gitattributes gitattributes: Make syntax compatible with older Git versions 2013-11-12 21:58:46 -05:00
.gitignore Add *.pot to .gitignore 2013-10-19 10:56:52 -04:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure Add TAP tests for client programs 2014-04-14 21:33:46 -04:00
configure.in Add TAP tests for client programs 2014-04-14 21:33:46 -04:00
COPYRIGHT Update copyright for 2014 2014-01-07 16:05:30 -05:00
GNUmakefile.in Add TAP tests for client programs 2014-04-14 21:33:46 -04:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:17 -05:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00

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.  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/.