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From "Hoss Man (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-682) QueryParser with Locale Based Operators (French included)
Date Wed, 06 Dec 2006 22:56:23 GMT
     [ http://issues.apache.org/jira/browse/LUCENE-682?page=all ]

Hoss Man updated LUCENE-682:
----------------------------

    Lucene Fields: [Patch Available]

issues has a modest number of notes, and seems to me like it would be very usefull as more
language property files are contributed ... does any one have any objections to it being commited?

NOTE: there are some negative performance impacts to QueryParser as a result of this patch.

> QueryParser with Locale Based Operators (French included)
> ---------------------------------------------------------
>
>                 Key: LUCENE-682
>                 URL: http://issues.apache.org/jira/browse/LUCENE-682
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: QueryParser
>            Reporter: Patrick Turcotte
>         Assigned To: Hoss Man
>            Priority: Minor
>         Attachments: LocalizedQueryParser.patch, LocalizedQueryParser.patch, LocalizedQueryParser.zip,
LocalizedQueryParserDemo.java, LocalizedQueryParserOperatorsMicroBench.java, QueryParser.jj,
QueryParser.jj.patch, QueryParser.properties, QueryParser_fr.properties, TestQueryParserLocaleOperators.java
>
>
> Here is a version of the QueryParser that can "understand" the AND, OR and NOT keyword
in other languages.
> If activated, 
> - "a ET b" should return the same query as "a AND b", namely: "+a +b"
> - "a OU b" should return the same query as "a OR b", namely: "a b"
> - "a SAUF b" should return the same query as "a NOT b", namely: "a -b"
> Here are its main points : 
> 1) Patched from revision 454774 of lucene 2.1dev (trunk) (probably could be used with
other versions)
> 2) The "ant test" target is still successful when the modified QueryParser is used
> 3) It doesn't break actual code
> 4) The default behavior is the same as before
> 5) It has to be deliberately activated
> 6) It use ResourceBundle to find the keywords translation
> 7) Comes with FRENCH translation
> 8) Comes with JUnit testCases
> 9) Adds 1 public method to QueryParser
> 10) Expands the TOKEN <TERM>
> 11) Use TOKEN_MGR_DECLS to set some field for the TokenManager

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