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From "Ganesh" <emailg...@yahoo.co.in>
Subject Re: Optimum way to find all document without particular field
Date Wed, 04 Mar 2009 12:44:26 GMT

----- Original Message ----- 
From: "Ganesh" <emailgane@yahoo.co.in>
To: <java-user@lucene.apache.org>
Sent: Wednesday, March 04, 2009 12:05 PM
Subject: Re: Optimum way to find all document without particular field


> Allahbaksh,
>
> I don't think, Lucene could filter out Null and Not null values.
>
> In case if the field value is Null, index the field with value <<NULL>>.

> To find all the documents which the field is not null,  Search the field, 
> which does not contain the value <<NULL>>.
>
> Regards
> Ganesh
>
> ----- Original Message ----- 
> From: "Allahbaksh Mohammedali Asadullah" 
> <Allahbaksh_Asadullah@infosys.com>
> To: <java-user@lucene.apache.org>
> Sent: Wednesday, March 04, 2009 11:12 AM
> Subject: Optimum way to find all document without particular field
>
>
> Hi,
> What is the optimum way in which I can find all the document which has 
> particular field in it.
>
> Example
> I want to find all the document in which the field text is not null.
>
> Regards,
> Allahbaksh
>
> Allahbaksh Mohammedali Asadullah,
> Software Engineering & Technology Labs,
> Infosys Technolgies Limited, Electronics City,
> Hosur Road, Bangalore 560 100, India.
> *Board: +91-80-28520261 | Extn: 53915 | Direct: 41173915.
> Fax: +91-80-28520362 | Mobile: +91-9845505322.
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> http://allahbaksh.blogspot.com<http://allahbaksh.blogspot.com/>
>
>
>
>
>
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