NAME¶
Lucy::Search::NOTQuery - Invert the result set of another Query.
SYNOPSIS¶
my $not_bar_query = Lucy::Search::NOTQuery->new(
negated_query => $bar_query,
);
my $foo_and_not_bar_query = Lucy::Search::ANDQuery->new(
children => [ $foo_query, $not_bar_query ].
);
my $hits = $searcher->hits( query => $foo_and_not_bar_query );
...
DESCRIPTION¶
A NOTQuery wraps another Query and matches against its inverse document set. All
matching docs recieve a score of 0.0.
NOTQuery is often used in conjunction with ANDQuery to provide "a AND NOT
b" semantics.
CONSTRUCTORS¶
new( [labeled params] )¶
my $not_query = Lucy::Search::NOTQuery->new(
negated_query => $query,
);
- •
- negated_query - The Query whose result set should be inverted.
METHODS¶
get_negated_query()¶
Accessor for the object's negated query.
set_negated_query(negated_query)¶
Setter for the object's negated query.
INHERITANCE¶
Lucy::Search::NOTQuery isa Lucy::Search::PolyQuery isa Lucy::Search::Query isa
Lucy::Object::Obj.