<div dir="ltr"><br><div class="gmail_quote"><div dir="ltr">On Tue, Oct 16, 2018 at 1:06 PM Antongeo76 <<a href="mailto:antoviscomi@gmail.com">antoviscomi@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Alessandro Pasotti-2 wrote<br>
> May be related to <a href="https://issues.qgis.org/issues/20094" rel="noreferrer" target="_blank">https://issues.qgis.org/issues/20094</a><br>
> <br>
> See also: <a href="https://github.com/qgis/QGIS/pull/8200" rel="noreferrer" target="_blank">https://github.com/qgis/QGIS/pull/8200</a><br>
> <br>
> On Tue, Oct 16, 2018 at 12:50 PM Antongeo76 <<br>
<br>
> antoviscomi@<br>
<br>
> > wrote:<br>
> <br>
>> Hi,<br>
>><br>
>> This slowness is also present in QGIS 2.18 as well as in QGIS 3.2.3<br>
>> and also occurs with fewer features in shapefiles (15000-16000 are<br>
>> enough),<br>
>> slowness increases as the number of unsaved editing operations increases.<br>
>><br>
>> With the "attribute table" opened, even "merge elements" or "split<br>
>> feature"<br>
>> operations,<br>
>> cause some problems (i.e. the counting of the records and the selection<br>
>> of<br>
>> the same does not seem synchronized with these editing operations)<br>
>> and sometimes this cause freeze of QGIS<br>
>><br>
>><br>
>><br>
>><br>
>><br>
>> -----<br>
>> Antonio<br>
>> --<br>
>> Sent from: <a href="http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html" rel="noreferrer" target="_blank">http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html</a><br>
>> _______________________________________________<br>
>> Qgis-user mailing list<br>
>> <br>
<br>
> Qgis-user@.osgeo<br>
<br>
>> List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
>> Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
> <br>
> <br>
> <br>
> -- <br>
> Alessandro Pasotti<br>
> w3: <a href="http://www.itopen.it" rel="noreferrer" target="_blank">www.itopen.it</a><br>
> <br>
> _______________________________________________<br>
> Qgis-user mailing list<br>
<br>
> Qgis-user@.osgeo<br>
<br>
> List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
> Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
<br>
Yes, it can be related but it does not happen only when the "field<br>
calculator" is used<br>
it happens even if you perform several 'manual' editing operations and save<br>
them after about an hour.<br>
<br></blockquote><div><br></div><div>The bug I pointed to is not related to field calculator (the title is misleading): field calculator just triggers it because it does a lot of changes.</div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
It gives me the feeling that there is a buffer overflow<br></blockquote><div><br></div><div>Buffer overflow would most probably lead to a crash, and this is not the case.<br></div><br clear="all"></div><br>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Alessandro Pasotti<br>w3: <a href="http://www.itopen.it" target="_blank">www.itopen.it</a></div></div>