Lucy::Search::MatchAllQuery - Query which matches all documents.
MatchAllQuery is a utility class which matches all documents. Each match is assigned a score of 0.0, so that in composite queries, any document which matches against another part of the query will be ranked higher than a document which matches only via the MatchAllQuery.
my $match_all_query = Lucy::Search::MatchAllQuery->new;
Constructor. Takes no arguments.