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From: David Bremner <david@tethera.net>
To: Jameson Graef Rollins <jrollins@caltech.edu>,
 Daniel Kahn Gillmor <dkg@fifthhorseman.net>,
 Notmuch Mail <notmuch@notmuchmail.org>
Subject: Re: can a notmuch query filter the output based on the size of a
 thread?
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Date: Sat, 16 Nov 2019 10:31:16 -0500
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Jameson Graef Rollins <jrollins@caltech.edu> writes:

> I have never personally had the need to search based on numbers of
> messages, but I have definitely thought that it would be good if
> searches worked over entire threads instead of just messages.  I would
> much prefer if a search for "foo AND bar" would turn up a thread where
> "foo" was mentioned in one message in the thread and "bar" was mentioned
> in another.  I think that would be very useful.

You can use thread:{foo AND bar} for that (with appropriate quoting).

There is a noticable performance penalty.

d