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From Erik Hatcher <>
Subject Re: Search for null
Date Mon, 23 Jul 2007 20:23:33 GMT

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.


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