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will throw an error, rather than possibly allowing someone to synthesize a manual call to an internal-accepting function. As of CVS HEAD and existing releases, all such functions are either STRICT or careful about null inputs, so there is no current security issue here. But it seems like a good idea to lock this down to protect against future mistakes. In passing, similarly lock down trigger_in, language_handler_in, opaque_in, and shell_in. These are not believed to present any security risk, but there's still no good reason to allow nulls of these types to be created. I left the polymorphic pseudotypes (anyelement etc) alone, since a null of one of those types doesn't seem to be a problem --- the worst you can say about it is that it doesn't have an underlying non-polymorphic type. If we were to make this change during normal development, we'd just automatically bump catversion for a pg_proc.h change. But since this doesn't create a compatibility risk and isn't believed to be fixing a live bug, it seems better not to force a catversion bump in late beta. |
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| contrib | ||
| doc | ||
| src | ||
| aclocal.m4 | ||
| configure | ||
| configure.in | ||
| COPYRIGHT | ||
| GNUmakefile.in | ||
| Makefile | ||
| README | ||
| README.CVS | ||
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. 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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.