database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-02 09:02:37 +03:00
Code Activity

Markup and spell-check run over Programmer's Guide (rather incomplete still).

Browse Source
This commit is contained in:
Peter Eisentraut
2001-09-10 21:58:47 +00:00
parent 51ba1c5a8c
commit a457d33516
21 changed files with 845 additions and 806 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
doc/src/sgml/plperl.sgml
View File

@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/plperl.sgml,v 2.9 2001/06/22 21:37:14 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/plperl.sgml,v 2.10 2001/09/10 21:58:47 petere Exp $
-->
<chapter id="plperl">
@ -21,10 +21,10 @@ $Header: /cvsroot/pgsql/doc/src/sgml/plperl.sgml,v 2.9 2001/06/22 21:37:14 momji
<para>
The PL/Perl interpreter (when installed as trusted interpreter with
default name 'plperl') intepreter is a full Perl interpreter. However, certain
default name <literal>plperl</>) interpreter is a full Perl interpreter. However, certain
operations have been disabled in order to maintain the security of
the system. In general, the operations that are restricted are
those that interact with the environment. This includes filehandle
those that interact with the environment. This includes file handle
operations, <literal>require</literal>, and <literal>use</literal>
(for external modules). It should be noted that this security is
not absolute. Indeed, several Denial-of-Service attacks are still
@ -32,8 +32,8 @@ $Header: /cvsroot/pgsql/doc/src/sgml/plperl.sgml,v 2.9 2001/06/22 21:37:14 momji
</para>
<para>
When PL/Perl is installed as 'untrusted' interpreter (with name 'plperlu'),
everything is permitted, and any perl code can be loaded (by superuser only).
When PL/Perl is installed as <quote>untrusted</> interpreter (with name <literal>plperlu</literal>),
everything is permitted, and any Perl code can be loaded (by superuser only).
</para>
<sect1 id="plperl-install">
@ -170,13 +170,13 @@ CREATE FUNCTION badfunc() RETURNS integer AS '
The creation of the function will succeed, but executing it will not.
Note that if same function was created by superuser using language
'plperlu', execution would succeed.
<literal>plperlu</>, execution would succeed.
</para>
<para>
Access to database itself from your perl function can be done via
an experimental module DBD::PgSPI, available at <ulink url="http://www.formenos.org/PgSPI/">this site</ulink>. This module makes available a DBI-compliant
database-handle named $pg_dbh, and you can use that to make queries with
normal DBI syntax.
Access to database itself from your Perl function can be done via
an experimental module <ulink url="http://www.formenos.org/PgSPI/"><literal>DBD::PgSPI</literal></ulink>. This module makes available a <acronym>DBI</>-compliant
database-handle named <varname>$pg_dbh</varname>, and you can use that to make queries with
normal <acronym>DBI</> syntax.
</para>
</sect1>