File Coverage

blib/lib/Fey/Literal/Null.pm

Criterion	Covered	Total	%
statement	24	24	100.0
branch			n/a
condition			n/a
subroutine	10	10	100.0
pod	3	3	100.0
total	37	37	100.0

package Fey::Literal::Null;

use strict;
use warnings;
use namespace::autoclean;

our $VERSION = '0.42';

use Fey::Types;

use Moose 0.90;
use MooseX::SemiAffordanceAccessor 0.03;
use MooseX::StrictConstructor 0.07;

with 'Fey::Role::Comparable', 'Fey::Role::Selectable', 'Fey::Role::IsLiteral';

sub sql {'NULL'}

sub sql_with_alias { goto &sql }

sub sql_or_alias { goto &sql }

__PACKAGE__->meta()->make_immutable();

1;

# ABSTRACT: Represents a literal NULL in a SQL statement

__END__

=pod

=head1 NAME

Fey::Literal::Null - Represents a literal NULL in a SQL statement

=head1 VERSION

version 0.42

=head1 SYNOPSIS

  my $null = Fey::Literal::Null->new()

=head1 DESCRIPTION

This class represents a literal C<NULL> in a SQL statement.

=head1 INHERITANCE

This module is a subclass of C<Fey::Literal>.

=head1 METHODS

This class provides the following methods:

=head2 Fey::Literal::Null->new()

This method creates a new C<Fey::Literal::Null> object.

=head2 $null->id()

The id for a null is always just "NULL".

=head2 $null->sql()

=head2 $null->sql_with_alias()

=head2 $null->sql_or_alias()

Returns the appropriate SQL snippet.

=head1 ROLES

This class does the C<Fey::Role::Selectable> and
C<Fey::Role::Comparable> roles.

=head1 BUGS

See L<Fey> for details on how to report bugs.

=head1 AUTHOR

Dave Rolsky <[e-mail]>

=head1 COPYRIGHT AND LICENSE

This software is Copyright (c) 2011 - 2015 by Dave Rolsky.

This is free software, licensed under:

  The Artistic License 2.0 (GPL Compatible)

=cut