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From: David Bremner <david@tethera.net>
To: David Bremner <david@tethera.net>, notmuch@notmuchmail.org
Subject: RFC: do what jamie wants with notmuch tag
Date: Thu, 30 Jun 2016 10:40:25 +0200
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The second patch in particular could be cleaned up; there is definitely some
duplication between the two code paths, so opening the database and
creating a query could/should be refactored.

It seems somewhat reasonable to have notmuch_query_search_tags in the
API. I would say just document the limitation of ignoring excludes
when querying for all tags, otherwise that optimization (which is a
huge speed improvement) will mostly be useless.