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=head1 NAME

Lucy::Search::ORQuery - Union multiple result sets.

=head1 SYNOPSIS

    my $foo_or_bar_query = Lucy::Search::ORQuery->new(
        children => [ $foo_query, $bar_query ],
    );
    my $hits = $searcher->hits( query => $foo_or_bar_query );
    ...



=head1 DESCRIPTION

ORQuery is a composite L<Query|Lucy::Search::Query> which matches
when any of its children match, so its result set is the union of their
result sets.  Matching documents recieve a summed score from all matching
child Queries.

=head1 CONSTRUCTORS

=head2 new( I<[labeled params]> )

    my $foo_or_bar_query = Lucy::Search::ORQuery->new(
        children => [ $foo_query, $bar_query ],
    );

=over

=item *

B<children> - An array of child Queries.

=back





=head1 METHODS

=head2 add_child(query)

Add a child Query node.



=head1 INHERITANCE

Lucy::Search::ORQuery isa L<Lucy::Search::PolyQuery> isa L<Lucy::Search::Query> isa L<Lucy::Object::Obj>.


=cut