/usr/local/CPAN/ORM/ORM/Filter.pm
#
# DESCRIPTION
# PerlORM - Object relational mapper (ORM) for Perl. PerlORM is Perl
# library that implements object-relational mapping. Its features are
# much similar to those of Java's Hibernate library, but interface is
# much different and easier to use.
#
# AUTHOR
# Alexey V. Akimov <akimov_alexey@sourceforge.net>
#
# COPYRIGHT
# Copyright (C) 2005-2006 Alexey V. Akimov
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
package ORM::Filter;
$VERSION=0.8;
use ORM;
use overload 'fallback' => 1;
use base 'ORM::Expr';
##
## SUBROUTINES
##
sub scalar2sql
{
my $class = shift;
my $scalar = shift;
my $tjoin = shift;
my $ident = shift;
return
ref $scalar
? $scalar->_sql_str( tjoin=>$tjoin, ident=>$ident )
: ( defined $scalar ? $tjoin->class->ORM::qc( $scalar ) : 'NULL' );
}