Xapian::ValueCountMatchSpy(3) | User Contributed Perl Documentation | Xapian::ValueCountMatchSpy(3) |
NAME
Search::Xapian::ValueCountMatchSpy - Class for counting the frequencies of values in the matching documents.
SYNOPSIS
use Search::Xapian qw(:all); my $db = Search::Xapian::Database->new( '[DATABASE DIR]' ); my $enq = $db->enquire( '[QUERY TERM]' ); my $spy = Search::Xapian::ValueCountMatchSpy->new(0); $enq->add_matchspy($spy); my $mset = $enq->get_mset(0, 10, 10000); print "Match spy registered " . $spy->get_total() . " documents\n"; my $end = $spy->values_end(); for (my $it = $spy->values_begin(); $it != $end; $it++) { print $it->get_termname() . " - " . $it->get_termfreq(); }
DESCRIPTION
Class for counting the frequencies of values in the matching documents. Wraps Xapian::ValueCountMatchSpy
METHODS
- new
- Constructor. Either takes no parameters, or a single valueno parameter identifying the slot.
- get_total
- Return the total number of documents tallied.
- values_begin
- Get an iterator over the values seen in the slot.
- values_end
- End iterator corresponding to values_begin().
- top_values_begin <maxvalues>
- Get an iterator over the most frequent values seen in the slot.
- top_values_end <maxvalues>
- End iterator corresponding to top_values_begin().
SEE ALSO
Search::Xapian, Search::Xapian::MatchSpy
2024-09-01 | perl v5.40.0 |