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Date: Wed, 7 Jan 2015 16:40:42 +0000 (UTC)
From: Ahmet Arslan <iorixxx@yahoo.com.INVALID>
Reply-To: Ahmet Arslan <iorixxx@yahoo.com>
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Subject: Re: Looking for docs that have certain fields empty (an/or not set)
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Hi Clemens,

Since you are a lucene user, you might be interested in Uwe's response on a similar topic : 
http://find.searchhub.org/document/abb73b45a48cb89e

Ahmet


On Wednesday, January 7, 2015 6:30 PM, Erick Erickson <erickerickson@gmail.com> wrote:
Should be, but it's a bit confusing because the query syntax is not
pure boolean,
so there's no set to take away the docs with entries in field 1, you need the
match all docs bit, i.e.
*:* -field1:[* TO *]

(That's asterisk:asterisk -field1:[* TO *] in case the silly list
interprets the asterisks
as markup)

There's some special magic in filter query processing to handle this case, but
not in the main query parser.

Best,
Erick

On Wed, Jan 7, 2015 at 8:14 AM, Clemens Wyss DEV <clemensdev@mysign.ch> wrote:
> Say I wanted to find documents which have no content in "field1" (or dosuments that have no field 'field1'), wouldn't that be the following query?
> -field1:[* TO *]
>
> Thanks for you help
> Clemens
>
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