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From Trejkaz <trej...@trypticon.org>
Subject Re: Query that returns all docs that contain a field
Date Mon, 19 Dec 2011 12:32:39 GMT
On Mon, Dec 19, 2011 at 9:05 PM, Paul Taylor <paul_t100@fastmail.fm> wrote:
> I was looking for a Query that returns all documents that contain a
> particular field, it doesnt matter what the value of the field is just that
> the document contains the field.

If you don't care about performance (or if it runs fast enough
already), use a PrefixQuery with "" as the prefix.

If you care about performance, add a new field which contains the
names of each field in the document, and query on that.

TX

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