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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1486) Wildcards, ORs etc inside Phrase queries
Date Tue, 10 Nov 2009 22:21:28 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uwe Schindler updated LUCENE-1486:
----------------------------------

    Fix Version/s:     (was: 3.0)

Move to 3.1 as this is a new feature.

> Wildcards, ORs etc inside Phrase queries
> ----------------------------------------
>
>                 Key: LUCENE-1486
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1486
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: QueryParser
>    Affects Versions: 2.4
>            Reporter: Mark Harwood
>            Priority: Minor
>             Fix For: 3.1
>
>         Attachments: ComplexPhraseQueryParser.java, junit_complex_phrase_qp_07_21_2009.patch,
junit_complex_phrase_qp_07_22_2009.patch, Lucene-1486 non default field.patch, LUCENE-1486.patch,
LUCENE-1486.patch, LUCENE-1486.patch, LUCENE-1486.patch, LUCENE-1486.patch, TestComplexPhraseQuery.java
>
>
> An extension to the default QueryParser that overrides the parsing of PhraseQueries to
allow more complex syntax e.g. wildcards in phrase queries.
> The implementation feels a little hacky - this is arguably better handled in QueryParser
itself. This works as a proof of concept  for much of the query parser syntax. Examples from
the Junit test include:
> 		checkMatches("\"j*   smyth~\"", "1,2"); //wildcards and fuzzies are OK in phrases
> 		checkMatches("\"(jo* -john)  smith\"", "2"); // boolean logic works
> 		checkMatches("\"jo*  smith\"~2", "1,2,3"); // position logic works.
> 		
> 		checkBadQuery("\"jo*  id:1 smith\""); //mixing fields in a phrase is bad
> 		checkBadQuery("\"jo* \"smith\" \""); //phrases inside phrases is bad
> 		checkBadQuery("\"jo* [sma TO smZ]\" \""); //range queries inside phrases not supported
> Code plus Junit test to follow...

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