*** pgsql/doc/src/sgml/plperl.sgml	2010/04/03 07:22:55	2.83
--- pgsql/doc/src/sgml/plperl.sgml	2010/05/13 16:39:43	2.84
***************
*** 1,4 ****
! <!-- $PostgreSQL: pgsql/doc/src/sgml/plperl.sgml,v 2.82 2010/02/25 10:02:30 mha Exp $ -->
  
   <chapter id="plperl">
    <title>PL/Perl - Perl Procedural Language</title>
--- 1,4 ----
! <!-- $PostgreSQL: pgsql/doc/src/sgml/plperl.sgml,v 2.83 2010/04/03 07:22:55 petere Exp $ -->
  
   <chapter id="plperl">
    <title>PL/Perl - Perl Procedural Language</title>
*************** CREATE TRIGGER test_valid_id_trig
*** 1154,1164 ****
         into a module and loaded by the <literal>on_init</> string.
         Examples:
  <programlisting>
! plperl.on_init = '$ENV{NYTPROF}="start=no"; require Devel::NYTProf::PgPLPerl'
  plperl.on_init = 'use lib "/my/app"; use MyApp::PgInit;'
  </programlisting>
         </para>
         <para>
         Initialization will happen in the postmaster if the plperl library is included
         in <literal>shared_preload_libraries</> (see <xref linkend="guc-shared-preload-libraries">),
         in which case extra consideration should be given to the risk of destabilizing the postmaster.
--- 1154,1172 ----
         into a module and loaded by the <literal>on_init</> string.
         Examples:
  <programlisting>
! plperl.on_init = 'require "plperlinit.pl"'
  plperl.on_init = 'use lib "/my/app"; use MyApp::PgInit;'
  </programlisting>
         </para>
         <para>
+        Any modules loaded by <literal>plperl.on_init</>, either directly or
+        indirectly, will be available for use by <literal>plperl</>.  This may
+        create a security risk. To see what modules have been loaded you can use:
+ <programlisting>
+ DO 'elog(WARNING, join ", ", sort keys %INC)' language plperl;
+ </programlisting>
+        </para>
+        <para>
         Initialization will happen in the postmaster if the plperl library is included
         in <literal>shared_preload_libraries</> (see <xref linkend="guc-shared-preload-libraries">),
         in which case extra consideration should be given to the risk of destabilizing the postmaster.