1Lucy::Index::PostingLisUts(e3r)Contributed Perl DocumentLautciyo:n:Index::PostingList(3)
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6 Lucy::Index::PostingList - Term-Document pairings.
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9 my $posting_list_reader
10 = $seg_reader->obtain("Lucy::Index::PostingListReader");
11 my $posting_list = $posting_list_reader->posting_list(
12 field => 'content',
13 term => 'foo',
14 );
15 while ( my $doc_id = $posting_list->next ) {
16 say "Matching doc id: $doc_id";
17 }
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20 PostingList is an iterator which supplies a list of document ids that
21 match a given term.
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23 See IRTheory for definitions of XpostingX and Xposting listX.
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26 get_doc_freq
27 my $int = $posting_list->get_doc_freq();
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29 Return the number of documents that the PostingList contains. (This
30 number will include any documents which have been marked as deleted but
31 not yet purged.)
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33 seek
34 $posting_list->seek($target);
35 $posting_list->seek(); # default: undef
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37 Prepare the PostingList object to iterate over matches for documents
38 that match "target".
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40 • target - The term to match. If undef, the iterator will be empty.
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43 Lucy::Index::PostingList isa Lucy::Search::Matcher isa Clownfish::Obj.
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47perl v5.36.0 2022-07-22 Lucy::Index::PostingList(3)