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<p>In this bug from back in 2007, Jens mentions in 2015:</p>
<p>> "The implementation could maintain an "undo" database table
where a SQL string is stored for each operation that would undo
exactly that <br>
> operation. (Or a more structural approach, storing the type
of operation including previous values).<br>
><br>
> If sidecar files are used, a backup file could be created
upon modification."<br>
</p>
<p><br>
</p>
<p>Has any work been done on this?</p>
<p>Is there any reason not to implement this?</p>
<p><br>
</p>
<p>BR</p>
<p>Thomas<br>
</p>
<p><br>
</p>
<p><br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 2022-08-03 09:06, Gilles Caulier
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAHFG6sHDS6icNcz3CDkCfkoAn68CgP4492XcZSCF_eUZ3WMnjw@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="auto">See this bug report :
<div><a href="https://bugs.kde.org/show_bug.cgi?id=142753"
moz-do-not-send="true" class="moz-txt-link-freetext">https://bugs.kde.org/show_bug.cgi?id=142753</a></div>
<div><br>
</div>
</div>
<div><br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">Le mar. 2 août 2022 à 09:51,
Thomas <<a href="mailto:sdktda@gmail.com"
moz-do-not-send="true" class="moz-txt-link-freetext">sdktda@gmail.com</a>>
a écrit :<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">Hi,<br>
<br>
<br>
What is the correct steps to take in order to easily undo a
face tag?<br>
<br>
This will typically happen in two slightly different
scenarios:<br>
<br>
1: I accidentally confirm a suggested face that was
suggested as the <br>
wrong person. How do I find that face/image again and unto
this <br>
confirmation?<br>
<br>
<br>
2: I select a large amount of faces and tag them as Person
X. But by <br>
accident, one of these faces was actually Person Y. How do I
undo this?<br>
<br>
<br>
And one thing is to actually remove the incorrect face tag -
but I also <br>
need to be sure that the face-matching model is updated so
that it no <br>
longer considers faces of Person Y as matching Person X.<br>
<br>
-- <br>
Mvh<br>
Thomas<br>
<br>
</blockquote>
</div>
</div>
-- <br>
<div dir="ltr" class="gmail_signature"
data-smartmail="gmail_signature">Send with Gmail Mobile</div>
</blockquote>
<pre class="moz-signature" cols="72">--
Mvh
Thomas</pre>
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