1Lucy::Search::PolySearcUhseerr(3C)ontributed Perl DocumeLnutcayt:i:oSnearch::PolySearcher(3)
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NAME

6       Lucy::Search::PolySearcher - Aggregate results from multiple Searchers.
7

SYNOPSIS

9           my $schema = MySchema->new;
10           for my $index (@index_paths) {
11               push @searchers, Lucy::Search::IndexSearcher->new( index => $index );
12           }
13           my $poly_searcher = Lucy::Search::PolySearcher->new(
14               schema    => $schema,
15               searchers => \@searchers,
16           );
17           my $hits = $poly_searcher->hits( query => $query );
18

DESCRIPTION

20       The primary use for PolySearcher is to aggregate results from several
21       indexes on a single machine.
22

CONSTRUCTORS

24   new
25           my $poly_searcher = Lucy::Search::PolySearcher->new(
26               schema    => $schema,
27               searchers => \@searchers,
28           );
29
30       Create a new PolySearcher.
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32       •   schema - A Schema.
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34       •   searchers - An array of Searchers.
35

METHODS

37   doc_max
38           my $int = $poly_searcher->doc_max();
39
40       Return the maximum number of docs in the collection represented by the
41       Searcher, which is also the highest possible internal doc id.
42       Documents which have been marked as deleted but not yet purged are
43       included in this count.
44
45   doc_freq
46           my $int = $poly_searcher->doc_freq(
47               field => $field,  # required
48               term  => $term,   # required
49           );
50
51       Return the number of documents which contain the term in the given
52       field.
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54       •   field - Field name.
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56       •   term - The term to look up.
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58   collect
59           $poly_searcher->collect(
60               query     => $query,      # required
61               collector => $collector,  # required
62           );
63
64       Iterate over hits, feeding them into a Collector.
65
66       •   query - A Query.
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68       •   collector - A Collector.
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70   fetch_doc
71           my $hit_doc = $poly_searcher->fetch_doc($doc_id);
72
73       Retrieve a document.  Throws an error if the doc id is out of range.
74
75       •   doc_id - A document id.
76

INHERITANCE

78       Lucy::Search::PolySearcher isa Lucy::Search::Searcher isa
79       Clownfish::Obj.
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83perl v5.36.0                      2023-01-20     Lucy::Search::PolySearcher(3)
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