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<p>Is there an actual RFC? All I find is
draft-ietf-morg-inthread-01. Looking at that draft, the only
difference between REFS ad REFERENCES is this:</p>
<pre class="newpage"> THREAD=REFS sorts threads by the most recent INTERNALDATE in each
thread, replacing THREAD=REFERENCES step (4). This means that when a
new message arrives, its thread becomes the latest thread. (Note
that while threads are sorted by arrival date, messages within a
thread are sorted by sent date, just as for THREAD=REFERENCES.)
</pre>
This being the case, I don't think we need two copies of the
threading functions. I'd modify the exiting functions to take an
additional parameter to specify whether we're doing REFS or
REFERENCES and then have 2 wrapper functions which call the main
function with the parameter set appropriately for the given
algorithm.<br>
<br>
<br>
<div class="moz-cite-prefix">On 07/08/2016 10:03 AM, Gabriele Bulfon
wrote:<br>
</div>
<blockquote
cite="mid:10757728.421.1467986639278.JavaMail.sonicle@www"
type="cite">
<div style="font-family: Arial; font-size: 13;">Ok, it works :)
but checking against dovecot implementation, it looks like they
have refs order same as references, but without subject
grouping. AFAIK the RFC on refs says ordering of dates within
the group should be reversed. Am I wrong?<br>
<br>
<div id="wt-mailcard">
<div style="font-family: Arial;">----------------------------------------------------------------------------------------<br>
</div>
<div style="font-family: Arial;"><b>Sonicle S.r.l. </b>: <a
moz-do-not-send="true" href="http://www.sonicle.com/"
target="_new"><a class="moz-txt-link-freetext" href="http://www.sonicle.com">http://www.sonicle.com</a></a></div>
<div style="font-family: Arial;"><b>Music: </b><a
moz-do-not-send="true"
href="http://www.gabrielebulfon.com/" target="_new"><a class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com">http://www.gabrielebulfon.com</a></a></div>
<div style="font-family: Arial;"><b>Quantum Mechanics : </b><a
moz-do-not-send="true"
href="http://www.cdbaby.com/cd/gabrielebulfon"
target="_new"><a class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon">http://www.cdbaby.com/cd/gabrielebulfon</a></a></div>
</div>
<br>
<hr><br>
<br>
<font face="Arial, Helvetica, sans-serif" size="2"><b>Da:</b>
Gabriele Bulfon via Info-cyrus
<a class="moz-txt-link-rfc2396E" href="mailto:info-cyrus@lists.andrew.cmu.edu"><info-cyrus@lists.andrew.cmu.edu></a><br>
<b>A:</b> Ken Murchison <a class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a>
<a class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a> <br>
<b>Data:</b> 8 luglio 2016 15.22.56 CEST<br>
<b>Oggetto:</b> Re: thread=refs<br>
</font><br>
<br>
<blockquote style="BORDER-LEFT: #000080 2px solid; MARGIN-LEFT:
5px; PADDING-LEFT: 5px">
<div style="font-family: Arial; font-size: 13;">Testing ;) and
checking against a dovecot machine with refs and same
messages.</div>
<div style="font-family: Arial; font-size: 13;">Will let you
know<br>
<br>
<div id="wt-mailcard">
<div style="font-family: Arial;">----------------------------------------------------------------------------------------<br>
</div>
<div style="font-family: Arial;"><b>Sonicle S.r.l. </b>:
<a moz-do-not-send="true" href="http://www.sonicle.com/"
target="_new">http://www.sonicle.com</a></div>
<div style="font-family: Arial;"><b>Music: </b><a
moz-do-not-send="true"
href="http://www.gabrielebulfon.com/" target="_new"><a class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com">http://www.gabrielebulfon.com</a></a></div>
<div style="font-family: Arial;"><b>Quantum Mechanics : </b><a
moz-do-not-send="true"
href="http://www.cdbaby.com/cd/gabrielebulfon"
target="_new"><a class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon">http://www.cdbaby.com/cd/gabrielebulfon</a></a></div>
</div>
<br>
<hr><br>
<br>
<font face="Arial, Helvetica, sans-serif" size="2"><b>Da:</b>
Ken Murchison <a class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a><br>
<b>A:</b> <a class="moz-txt-link-abbreviated" href="mailto:gbulfon@sonicle.com">gbulfon@sonicle.com</a>
<a class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a> <br>
<b>Data:</b> 8 luglio 2016 15.02.38 CEST<br>
<b>Oggetto:</b> Re: thread=refs<br>
</font><br>
<br>
<blockquote style="BORDER-LEFT: #000080 2px solid;
MARGIN-LEFT: 5px; PADDING-LEFT: 5px">
<p><br>
</p>
<br>
<div class="moz-cite-prefix">On 07/07/2016 02:03 PM,
Gabriele Bulfon via Info-cyrus wrote:<br>
</div>
<blockquote
cite="mid:139418.370.1467914635571.JavaMail.sonicle@www"
type="cite">
<div style="font-family: Arial; font-size: 13;">I can
finally get back to this after so many months!</div>
<div style="font-family: Arial; font-size: 13;">I
checked the sources, and I actually see it doesn't
look very hard.</div>
<div style="font-family: Arial; font-size: 13;"><br>
</div>
<div style="font-family: Arial; font-size: 13;">Looks
like:</div>
<div style="font-family: Arial; font-size: 13;">-
renaming all functions like "index_thread_ref" into
"index_thread_references"</div>
<div style="font-family: Arial; font-size: 13;">-
duplicate them as "index_thread_refs"</div>
<div style="font-family: Arial; font-size: 13;">- let
"references" alg call the "references" funcs</div>
<div style="font-family: Arial; font-size: 13;">- add
support for "refs" in thread_algs and let them call
the "refs" funcs</div>
</blockquote>
<br>
Makes sense.<br>
<br>
<br>
<blockquote
cite="mid:139418.370.1467914635571.JavaMail.sonicle@www"
type="cite">
<div style="font-family: Arial; font-size: 13;"><br>
</div>
<div style="font-family: Arial; font-size: 13;">then:</div>
<div style="font-family: Arial; font-size: 13;">-
completely remove the call to "ref_group_subjects", we
don't want it at all in refs</div>
<div style="font-family: Arial; font-size: 13;">- change
the sortcrit to use the SORT_REVERSE modifier</div>
</blockquote>
<br>
As long as you mean making these changes for just the
"refs" variant and not both.<br>
<br>
<br>
<br>
<blockquote
cite="mid:139418.370.1467914635571.JavaMail.sonicle@www"
type="cite">
<div style="font-family: Arial; font-size: 13;"><br>
</div>
<div style="font-family: Arial; font-size: 13;">what do
you think? may be fine?<br>
<br>
<div id="wt-mailcard">
<div style="font-family: Arial;">----------------------------------------------------------------------------------------<br>
</div>
<div style="font-family: Arial;"><b>Sonicle S.r.l. </b>:
<a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="http://www.sonicle.com">http://www.sonicle.com</a></div>
<div style="font-family: Arial;"><b>Music: </b><a
moz-do-not-send="true"
class="moz-txt-link-freetext"
href="http://www.gabrielebulfon.com"><a class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com">http://www.gabrielebulfon.com</a></a></div>
<div style="font-family: Arial;"><b>Quantum
Mechanics : </b><a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="http://www.cdbaby.com/cd/gabrielebulfon">http://www.cdbaby.com/cd/gabrielebulfon</a></div>
</div>
<br>
<hr><br>
<br>
<font face="Arial, Helvetica, sans-serif" size="2"><b>Da:</b>
Ken Murchison <a moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a><br>
<b>A:</b> <a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
<br>
<b>Data:</b> 5 ottobre 2015 14.04.02 CEST<br>
<b>Oggetto:</b> Re: thread=refs<br>
</font><br>
<br>
<blockquote style="BORDER-LEFT: #000080 2px solid;
MARGIN-LEFT: 5px; PADDING-LEFT: 5px"> As far as I
can tell, the last specification for thread=refs was
here:<a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="https://tools.ietf.org/html/draft-ietf-morg-inthread-01">https://tools.ietf.org/html/draft-ietf-morg-inthread-01</a><br>
<br>
To implement this you want to look at index.c in the
Cyrus source and add another entry to the
thread_algs[] array. I'm guessing that you can reuse
a lot of the existing index_thread_ref() code (which
is probably needs to be renamed to
index_thread_references()).<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 10/05/2015 06:07 AM,
Gabriele Bulfon wrote:<br>
</div>
<blockquote
cite="mid:18262603.71.1444039631264.JavaMail.sonicle@www"
type="cite">
<div style="font-family: Verdana; font-size: 12;">
<div id="wt-mailcard">Great, Ken. Can you give
me some advice / pointer to the sources I
should look at?</div>
<div id="wt-mailcard"><br>
</div>
<div id="wt-mailcard">Gabriele</div>
<br>
<hr><br>
<br>
<font face="Arial, Helvetica, sans-serif"
size="2"><b>Da:</b> Ken Murchison <a
moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:murch@andrew.cmu.edu"><a class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a></a><br>
<b>A:</b> <a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
<br>
<b>Data:</b> 2 ottobre 2015 19.08.04 CEST<br>
<b>Oggetto:</b> Re: thread=refs<br>
</font><br>
<br>
<blockquote style="BORDER-LEFT: #000080 2px
solid; MARGIN-LEFT: 5px; PADDING-LEFT: 5px">
<div class="moz-cite-prefix">On 10/02/2015
10:53 AM, Gabriele Bulfon wrote:<br>
</div>
<blockquote
cite="mid:11844453.9.1443797615639.JavaMail.sonicle@www"
type="cite">
<div style="font-family: Verdana; font-size:
12;">
<div id="wt-mailcard">Nice, it's not a big
deal for us to upgrade to new versions,
surely easier than porting to Dovecot!
;)<br>
<br>
So, maybe we can help with the
implementation.</div>
<div id="wt-mailcard">In my mind, it's
almost about changing the
"thread=reference" and let it omit the
subject matching, change sorting</div>
<div id="wt-mailcard">and...maybe just
this? How much hard do you think it is?</div>
<br>
</div>
</blockquote>
<br>
That sounds about right from what I remember
of THREAD=REFERENCES (which I co-authored and
implemented) and THREAD=REFS (which I think
was last documented in 2010).<br>
<br>
<br>
<br>
<blockquote
cite="mid:11844453.9.1443797615639.JavaMail.sonicle@www"
type="cite">
<div style="font-family: Verdana; font-size:
12;">
<hr><br>
<br>
<font face="Arial, Helvetica, sans-serif"
size="2"><b>Da:</b> Bron Gondwana <a
moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:brong@fastmail.fm"><a class="moz-txt-link-rfc2396E" href="mailto:brong@fastmail.fm"><brong@fastmail.fm></a></a><br>
<b>A:</b> <a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
<br>
<b>Data:</b> 2 ottobre 2015 12.59.08
CEST<br>
<b>Oggetto:</b> Re: thread=refs<br>
</font><br>
<br>
<blockquote style="BORDER-LEFT: #000080
2px solid; MARGIN-LEFT: 5px;
PADDING-LEFT: 5px">
<div>No, there isn't. The conversations
work in 3.0 beta contains a lot of
what would be required to efficiently
implement THREAD=REFS, but nobody has
done the work to implement it.<br>
</div>
<div> </div>
<div>It certainly will never be
backported to the 2.4 series, which is
only getting security updates and
fixes for major bugs now.<br>
</div>
<div> </div>
<div>Regards,<br>
</div>
<div> </div>
<div>Bron.<br>
</div>
<div> </div>
<div> </div>
<div>On Fri, Oct 2, 2015, at 18:40,
Gabriele Bulfon wrote:<br>
</div>
<blockquote type="cite">
<div>Hi,<br>
</div>
<div> </div>
<div>we have systems running cyrus
2.4.12, where thread algorithms are
only references and orderedsubject.<br>
</div>
<div>Is there support for the
thread=refs algorithm?<br>
</div>
<div> </div>
<div>Thanks<br>
</div>
<div>Gabriele<br>
</div>
<div>----<br>
</div>
<div>Cyrus Home Page: <a
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<div id="sig567075">
<div class="signature">--<br>
</div>
<div class="signature"> Bron Gondwana<br>
</div>
<div class="signature"> <a
moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:brong@fastmail.fm"><a class="moz-txt-link-abbreviated" href="mailto:brong@fastmail.fm">brong@fastmail.fm</a></a><br>
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<pre class="moz-signature" cols="72">--
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University
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Carnegie Mellon University
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