++ed by:
NWELLNHOF KEEDI CKRAS JETEVE EMAZEP

9 PAUSE users
6 non-PAUSE users.

Nick Wellnhofer
and 1 contributors

NAME

Lucy::Index::PostingListReader - Read postings data.

SYNOPSIS

    my $posting_list_reader 
        = $seg_reader->obtain("Lucy::Index::PostingListReader");
    my $posting_list = $posting_list_reader->posting_list(
        field => 'title', 
        term  => 'foo',
    );

DESCRIPTION

PostingListReaders produce PostingList objects which convey document matching information.

ABSTRACT METHODS

posting_list

    my $posting_list = $posting_list_reader->posting_list(
        field => $field  # default: undef
        term  => $term   # default: undef
    );

Returns a PostingList, or undef if either field is undef or field is not present in any documents.

  • field - A field name.

  • term - If supplied, the PostingList will be pre-located to this term using seek().

METHODS

aggregator

    my $result = $posting_list_reader->aggregator(
        readers => $readers  # required
        offsets => $offsets  # required
    );

Returns undef since PostingLists may only be iterated at the segment level.

INHERITANCE

Lucy::Index::PostingListReader isa Lucy::Index::DataReader isa Clownfish::Obj.