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From Les Fletcher <...@affinitycircles.com>
Subject Re: Search for null
Date Mon, 23 Jul 2007 20:29:46 GMT
Does this particular range query have any significant performance issues?

Les

Erik Hatcher wrote:
>
> On Jul 23, 2007, at 11:32 AM, testn wrote:
>> Is it possible to search for the document that specified field 
>> doesn't exist
>> or such field value is null?
>
> This is from Solr, so I'm not sure off the top of my head if this mojo 
> applies by itself, but a search for -fieldname:[* TO *] will result in 
> all documents that do not have the specified field.
>
>     Erik
>
>
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