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Andrew Dunstan 29bf501683 Add a direct function call mechanism using the caller's context.
The current DirectFunctionCall functions use NULL as the flinfo in
initializing the FunctionCallInfoData for the call. That means the
called function has no fn_mcxt or fn_extra to work with, and attempting
to do so will result in an access violation. These functions instead use
the provided flinfo, which will usually be the caller's own flinfo. The
caller needs to ensure that it doesn't use the fn_extra in way that is
incompatible with the way the called function will use it. The called
function should not rely on anything else in the provided context, as it
will be relevant to the caller, not the callee.

Original code from Tom Lane.

Discussion: https://postgr.es/m/db2b70a4-78d7-294a-a315-8e7f506c5978@2ndQuadrant.com
2017-03-21 08:57:46 -04:00
config Add configure test to see if the C compiler has gcc-style computed gotos. 2017-03-20 13:35:26 -04:00
contrib pageinspect: Add page_checksum function 2017-03-17 10:55:17 -04:00
doc doc: Improve markup 2017-03-21 08:33:46 -04:00
src Add a direct function call mechanism using the caller's context. 2017-03-21 08:57:46 -04:00
.dir-locals.el
.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 Replace our hacked version of ax_pthread.m4 with latest upstream version. 2015-07-08 20:36:06 +03:00
configure Add configure test to see if the C compiler has gcc-style computed gotos. 2017-03-20 13:35:26 -04:00
configure.in Add configure test to see if the C compiler has gcc-style computed gotos. 2017-03-20 13:35:26 -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
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README
README.git

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/.