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Tom Lane 9dc2a3fd0a Check block number against the correct fork in get_raw_page(). 
get_raw_page tried to validate the supplied block number against
RelationGetNumberOfBlocks(), which of course is only right when
accessing the main fork.  In most cases, the main fork is longer
than the others, so that the check was too weak (allowing a
lower-level error to be reported, but no real harm to be done).
However, very small tables could have an FSM larger than their heap,
in which case the mistake prevented access to some FSM pages.
Per report from Torsten Foertsch.

In passing, make the bad-block-number error into an ereport not elog
(since it's certainly not an internal error); and fix sloppily
maintained comment for RelationGetNumberOfBlocksInFork.

This has been wrong since we invented relation forks, so back-patch
to all supported branches.
2014-07-22 11:46:04 -04:00
config Accept tcl 8.6 in configure's probe for tclsh. 2014-05-10 10:48:14 -04:00
contrib Check block number against the correct fork in get_raw_page(). 2014-07-22 11:46:04 -04:00
doc Stamp 9.0.18. 2014-07-21 15:16:01 -04:00
src Diagnose incompatible OpenLDAP versions during build and test. 2014-07-22 11:02:25 -04:00
.gitignore Convert cvsignore to gitignore, and add .gitignore for build targets. 2010-09-22 12:57:06 +02:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Diagnose incompatible OpenLDAP versions during build and test. 2014-07-22 11:02:25 -04:00
configure.in Diagnose incompatible OpenLDAP versions during build and test. 2014-07-22 11:02:25 -04:00
COPYRIGHT Update copyright for 2014 2014-01-07 16:05:29 -05:00
GNUmakefile.in Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:27 -05:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:41 -05:00
Makefile Add new make targets "world", "install-world" and "installcheck-world" to build, install and check just about everything. 2010-01-28 23:59:52 +00:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:27 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:27 -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/.