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Date: Wed, 7 Jan 2015 16:15:12 -0500
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Subject: Re: Looking for docs that have certain fields empty (an/or not set)
From: Jack Krupansky <jack.krupansky@gmail.com>
To: java-user@lucene.apache.org
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The pure negative query should work fine as a top level query - it's just
when nested as a sub-query within parentheses that it misbehaves.

-- Jack Krupansky

On Wed, Jan 7, 2015 at 11:30 AM, 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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