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Alvaro Herrera a441035198 Remove the vacuum_delay_point call in count_nondeletable_pages, because we hold 
an exclusive lock on the table at this point, which we want to release as soon
as possible.  This is called in the phase of lazy vacuum where we truncate the
empty pages at the end of the table.

An alternative solution would be to lower the vacuum delay settings before
starting the truncating phase, but this doesn't work very well in autovacuum
due to the autobalancing code (which can cause other processes to change our
cost delay settings).  This case could be considered in the balancing code, but
it is simpler this way.
2007-09-10 17:59:03 +00:00
config New version of mkinstalldirs fixes problems on Tru64 UNIX. 2005-01-08 09:54:29 +00:00
contrib Fix combo_decrypt() to throw an error for zero-length input when using a 2007-08-23 16:16:11 +00:00
doc Fix array_dims() example to be consistent with the data previously shown. 2007-06-07 14:50:18 +00:00
src Remove the vacuum_delay_point call in count_nondeletable_pages, because we hold 2007-09-10 17:59:03 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Update configure for release 2007-04-20 03:44:17 +00:00
configure.in Update configure for release 2007-04-20 03:44:17 +00:00
COPYRIGHT Tag appropriate files for rc3 2004-12-31 22:04:05 +00:00
GNUmakefile.in Add installcheck-parallel target to top level makefiles. 2006-08-18 19:59:05 +00:00
Makefile Add installcheck-parallel target to top level makefiles. 2006-08-18 19:59:05 +00:00
README Remove more traces of libpgtcl from the source tree. Also, make some 2004-10-01 02:00:44 +00:00
README.CVS Some further editorializing on README.CVS. 2004-03-28 06:09:08 +00:00

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.

The JDBC, ODBC, C++, Python, and Tcl interfaces have been moved to the
PostgreSQL Projects Web Site at http://gborg.postgresql.org for separate
maintenance.  A Perl DBI/DBD driver is available from CPAN.

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
ftp://ftp.postgresql.org/pub/.  For more information look at our web
site located at http://www.postgresql.org/.