Nick Wellnhofer > Lucy > Lucy::Search::PolySearcher

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Module Version: 0.005001   Source  

NAME ^

Lucy::Search::PolySearcher - Aggregate results from multiple Searchers.

SYNOPSIS ^

    my $schema = MySchema->new;
    for my $index (@index_paths) {
        push @searchers, Lucy::Search::IndexSearcher->new( index => $index );
    }
    my $poly_searcher = Lucy::Search::PolySearcher->new(
        schema    => $schema,
        searchers => \@searchers,
    );
    my $hits = $poly_searcher->hits( query => $query );

DESCRIPTION ^

The primary use for PolySearcher is to aggregate results from several indexes on a single machine.

CONSTRUCTORS ^

new

    my $poly_searcher = Lucy::Search::PolySearcher->new(
        schema    => $schema,
        searchers => \@searchers,
    );

Create a new PolySearcher.

METHODS ^

doc_max

    my $int = $poly_searcher->doc_max();

Return the maximum number of docs in the collection represented by the Searcher, which is also the highest possible internal doc id. Documents which have been marked as deleted but not yet purged are included in this count.

doc_freq

    my $int = $poly_searcher->doc_freq(
        field => $field  # required
        term  => $term   # required
    );

Return the number of documents which contain the term in the given field.

collect

    $poly_searcher->collect(
        query     => $query      # required
        collector => $collector  # required
    );

Iterate over hits, feeding them into a Collector.

fetch_doc

    my $hit_doc = $poly_searcher->fetch_doc($doc_id);

Retrieve a document. Throws an error if the doc id is out of range.

INHERITANCE ^

Lucy::Search::PolySearcher isa Lucy::Search::Searcher isa Clownfish::Obj.

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