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.\" ========================================================================
.\"
.IX Title "Lucy::Search::LeafQuery 3pm"
.TH Lucy::Search::LeafQuery 3pm "2015-03-06" "perl v5.20.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Lucy::Search::LeafQuery \- Leaf node in a tree created by QueryParser.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&    package MyQueryParser;
\&    use base qw( Lucy::Search::QueryParser );
\&
\&    sub expand_leaf {
\&        my ( $self, $leaf_query ) = @_;
\&        if ( $leaf_query\->get_text =~ /.\e*\es*$/ ) {
\&            return PrefixQuery\->new(
\&                query_string => $leaf_query\->get_text,
\&                field        => $leaf_query\->get_field,
\&            );
\&        }
\&        else {
\&            return $self\->SUPER::expand_leaf($leaf_query);
\&        }
\&    }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
LeafQuery objects serve as leaf nodes in the tree structure generated by
QueryParser's \fItree()\fR method.
Ultimately, they must be transformed, typically into either
TermQuery or
PhraseQuery objects, as attempting to
search a LeafQuery causes an error.
.SH "CONSTRUCTORS"
.IX Header "CONSTRUCTORS"
.SS "new( \fI[labeled params]\fP )"
.IX Subsection "new( [labeled params] )"
.Vb 4
\&    my $leaf_query = Lucy::Search::LeafQuery\->new(
\&        text  => \*(Aq"three blind mice"\*(Aq,    # required
\&        field => \*(Aqcontent\*(Aq,               # default: undef
\&    );
.Ve
.IP "\(bu" 4
\&\fBfield\fR \- Optional field name.
.IP "\(bu" 4
\&\fBtext\fR \- Raw query text.
.SH "METHODS"
.IX Header "METHODS"
.SS "\fIget_field()\fP"
.IX Subsection "get_field()"
Accessor for object's \f(CW\*(C`field\*(C'\fR attribute.
.SS "\fIget_text()\fP"
.IX Subsection "get_text()"
Accessor for object's \f(CW\*(C`text\*(C'\fR attribute.
.SH "INHERITANCE"
.IX Header "INHERITANCE"
Lucy::Search::LeafQuery isa Lucy::Search::Query isa Lucy::Object::Obj.