File Coverage

blib/lib/SQL/Functional/NullClause.pm

Criterion	Covered	Total	%
statement	6	8	75.0
branch			n/a
condition			n/a
subroutine	3	3	100.0
pod			n/a
total	9	11	81.8

# Copyright (c) 2016  Timm Murray
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
package SQL::Functional::NullClause;
$SQL::Functional::NullClause::VERSION = '0.1';
use v5.14;
use warnings;
use Moose;
use namespace::autoclean;
use SQL::Functional::Clause;

with 'SQL::Functional::Clause';

has 'field' => (
    is => 'ro',
    isa => 'SQL::Functional::FieldClause',
    required => 1,
);
has 'not' => (
    is => 'ro',
    isa => 'Bool',
    default => 0,
);


sub to_string
{
    my ($self) = @_;
    return $self->field->to_string
        . ' IS ' . ($self->not ? 'NOT ' : '') . 'NULL';
}


no Moose;
__PACKAGE__->meta->make_immutable;
1;
__END__