1Lucy::Search::NoMatchQuUesreyr(3C)ontributed Perl DocumeLnutcayt:i:oSnearch::NoMatchQuery(3)
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6 Lucy::Search::NoMatchQuery - Query which matches no documents.
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9 NoMatchQuery is a utility class representing a query which matches
10 nothing. Typical usage might include e.g. returning a NoMatchQuery
11 when a QueryParser is asked to parse an empty string.
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14 new
15 my $no_match_query = Lucy::Search::NoMatchQuery->new;
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17 Constructor. Takes no arguments.
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20 make_compiler
21 my $compiler = $no_match_query->make_compiler(
22 searcher => $searcher, # required
23 boost => $boost, # required
24 subordinate => $subordinate, # default: false
25 );
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27 Abstract factory method returning a Compiler derived from this Query.
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29 · searcher - A Searcher.
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31 · boost - A scoring multiplier.
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33 · subordinate - Indicates whether the Query is a subquery (as opposed
34 to a top-level query). If false, the implementation must invoke
35 normalize() on the newly minted Compiler object before returning
36 it.
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39 Lucy::Search::NoMatchQuery isa Lucy::Search::Query isa Clownfish::Obj.
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43perl v5.32.0 2020-07-28 Lucy::Search::NoMatchQuery(3)