Adrien Grand created LUCENE-4981:
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Summary: Deprecate PositionFilter
Key: LUCENE-4981
URL: https://issues.apache.org/jira/browse/LUCENE-4981
Project: Lucene - Core
Issue Type: Improvement
Reporter: Adrien Grand
Assignee: Adrien Grand
Priority: Minor
According to the documentation
(http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters#solr.PositionFilterFactory),
PositionFilter is mainly useful to make query parsers generate boolean queries
instead of phrase queries although this problem can be solved at query parsing
level instead of analysis level (eg. using
QueryParser.setAutoGeneratePhraseQueries).
So given that PositionFilter corrupts token graphs (see TestRandomChains), I
propose to deprecate it.
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