*** pgsql/doc/src/sgml/pltcl.sgml	2007/01/30 22:29:40	2.42.2.1
--- pgsql/doc/src/sgml/pltcl.sgml	2010/05/13 18:29:31	2.42.2.2
***************
*** 1,4 ****
! <!-- $PostgreSQL: pgsql/doc/src/sgml/pltcl.sgml,v 2.42 2006/09/16 00:30:15 momjian Exp $ -->
  
   <chapter id="pltcl">
    <title>PL/Tcl - Tcl Procedural Language</title>
--- 1,4 ----
! <!-- $PostgreSQL: pgsql/doc/src/sgml/pltcl.sgml,v 2.42.2.1 2007/01/30 22:29:40 momjian Exp $ -->
  
   <chapter id="pltcl">
    <title>PL/Tcl - Tcl Procedural Language</title>
*************** CREATE TRIGGER trig_mytab_modcount BEFOR
*** 690,697 ****
          It recognizes a special table, <literal>pltcl_modules</>, which
          is presumed to contain modules of Tcl code.  If this table
          exists, the module <literal>unknown</> is fetched from the table
!         and loaded into the Tcl interpreter immediately after creating
!         the interpreter.
         </para>
         <para>
          While the <literal>unknown</> module could actually contain any
--- 690,699 ----
          It recognizes a special table, <literal>pltcl_modules</>, which
          is presumed to contain modules of Tcl code.  If this table
          exists, the module <literal>unknown</> is fetched from the table
!         and loaded into the Tcl interpreter immediately before the first
!         execution of a PL/Tcl function in a database session.  (This
!         happens separately for PL/Tcl and PL/TclU, if both are used,
!         because separate interpreters are used for the two languages.)
         </para>
         <para>
          While the <literal>unknown</> module could actually contain any
*************** CREATE TRIGGER trig_mytab_modcount BEFOR
*** 718,724 ****
         <para>
          The tables <literal>pltcl_modules</> and <literal>pltcl_modfuncs</>
          must be readable by all, but it is wise to make them owned and
!         writable only by the database administrator.
         </para>
     </sect1>
  
--- 720,730 ----
         <para>
          The tables <literal>pltcl_modules</> and <literal>pltcl_modfuncs</>
          must be readable by all, but it is wise to make them owned and
!         writable only by the database administrator.  As a security
!         precaution, PL/Tcl will ignore <literal>pltcl_modules</> (and thus,
!         not attempt to load the <literal>unknown</> module) unless it is
!         owned by a superuser.  But update privileges on this table can be
!         granted to other users, if you trust them sufficiently.
         </para>
     </sect1>