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From Daniel Noll <dan...@nuix.com>
Subject Re: Match all documents with non empty field
Date Thu, 03 Jul 2008 02:47:32 GMT
Patrick wrote:
> Hi,
> 
> Can't seem to wrap my head around how to go about it.
> 
> I want to retrieve all documents where a certain field in not empty.
> 
> What would be the best way to do it?

The most trivial way would be to use a PrefixQuery with an empty string.

It won't be efficient unless you wrap it in a QueryFilter to cache the 
result, but I found it to be "fast enough" even for relatively large 
document sets.

Daniel


-- 
Daniel Noll

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