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From Tomás Fernández Löbbe (Updated) (JIRA) <>
Subject [jira] [Updated] (LUCENE-1486) Wildcards, ORs etc inside Phrase queries
Date Tue, 07 Feb 2012 16:51:01 GMT


Tomás Fernández Löbbe updated LUCENE-1486:

    Attachment: LUCENE-1486.patch

I attached a patch with the change of my previous comment plus the change that allows fielded
> Wildcards, ORs etc inside Phrase queries
> ----------------------------------------
>                 Key: LUCENE-1486
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: core/queryparser
>    Affects Versions: 2.4
>            Reporter: Mark Harwood
>            Priority: Minor
>             Fix For: 4.0
>         Attachments:, LUCENE-1486.patch, LUCENE-1486.patch,
LUCENE-1486.patch, LUCENE-1486.patch, LUCENE-1486.patch, LUCENE-1486.patch, Lucene-1486 non
default field.patch,, junit_complex_phrase_qp_07_21_2009.patch,
> 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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