[jira] [Updated] (LUCENE-4981) Deprecate PositionFilter

["Adrien Grand (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-4981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrien Grand updated LUCENE-4981:
---------------------------------

    Attachment: LUCENE-4981.patch

Here is the patch for 4.x. The patch for trunk is simpler as PositionFilter and PositionFilterFactory would simply be removed.
                
> 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
>         Attachments: LUCENE-4981.patch
>
>
> 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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