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Tom Lane 335f3d04e4 Improve memory management in autovacuum.c. 
Invoke vacuum(), as well as "work item" processing, in the PortalContext
that do_autovacuum() has manufactured, which will be reset before each
such invocation.  This ensures cleanup of any memory leaked by these
operations.  It also avoids the rather dangerous practice of calling
vacuum() in a context that vacuum() itself will destroy while it runs.
There's no known live bug there, but it's not hard to imagine introducing
one if we leave it like this.

Tom Lane, reviewed by Michael Paquier and Alvaro Herrera

Discussion: https://postgr.es/m/13849.1506114543@sss.pgh.pa.us
2017-09-23 13:28:16 -04:00
config Absorb -D_USE_32BIT_TIME_T switch from Perl, if relevant. 2017-08-14 11:48:59 -04:00
contrib Refactor new file permission handling 2017-09-23 10:16:18 -04:00
doc doc: Document commands that cannot be run in a transaction block 2017-09-22 15:01:13 -04:00
src Improve memory management in autovacuum.c. 2017-09-23 13:28:16 -04:00
.dir-locals.el emacs: Set indent-tabs-mode in perl-mode 2015-04-12 23:53:23 -04:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.gitignore Allow .so minor version numbers above 9 in .gitignore. 2016-08-15 17:35:35 -04:00
aclocal.m4 Make configure check for IPC::Run when --enable-tap-tests is specified. 2017-06-15 15:56:12 -04:00
configure Assume wcstombs(), towlower(), and sibling functions are always present. 2017-09-22 11:00:58 -04:00
configure.in Assume wcstombs(), towlower(), and sibling functions are always present. 2017-09-22 11:00:58 -04:00
COPYRIGHT Update copyright for 2017 2017-01-03 12:37:53 -05:00
GNUmakefile.in Have "make coverage" recurse into contrib as well 2016-09-05 18:44:36 -03:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Prevent passing down MAKELEVEL/MAKEFLAGS from non-GNU make to GNU make. 2017-08-09 12:05:53 -04:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00

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:

	https://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
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.