1 # Copyright 2002-2007 Interchange Development Group and others
2 # Copyright 1996-2002 Red Hat, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version. See the LICENSE file for details.
9 # $Id: pgbooln.filter,v 1.6 2007-03-30 23:40:45 pajamian Exp $
11 CodeDef pgbooln Filter
12 CodeDef pgbooln Description PostgreSQL Boolean (undef as NULL)
13 CodeDef pgbooln Visibility private
14 CodeDef pgbooln Routine <<EOR
17 return if ! defined($val);
19 return 'f' if $val =~ /^(?:0|f(?:alse)?)?$/i;