<div dir="ltr"><div dir="ltr">tnx Kelly, this is your issue and it's ok: <a href="https://issues.qgis.org/issues/20008">https://issues.qgis.org/issues/20008</a></div><div dir="ltr"><br></div><div>to everyone, please add any comment or info that can help to replicate/solve</div><div dir="ltr"><br clear="all"><div><div dir="ltr" class="gmail_signature">Luigi Pirelli<br><br>**************************************************************************************************<br>* LinkedIn: <a href="https://www.linkedin.com/in/luigipirelli" target="_blank">https://www.linkedin.com/in/luigipirelli</a><br>* Stackexchange: <a href="http://gis.stackexchange.com/users/19667/luigi-pirelli" target="_blank">http://gis.stackexchange.com/users/19667/luigi-pirelli</a><br>* GitHub: <a href="https://github.com/luipir" target="_blank">https://github.com/luipir</a><br>* Mastering QGIS 2nd Edition:<br>* <a href="https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition" target="_blank">https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition</a><br>* Hire me: <a href="http://goo.gl/BYRQKg" target="_blank">http://goo.gl/BYRQKg</a><br>**************************************************************************************************</div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Wed, 3 Oct 2018 at 22:40, Kelley Jabr <<a href="mailto:kjabr@indeed.com">kjabr@indeed.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Okay, I've created an issue for this situation. Hopefully I've done it satisfactorily. Thanks again!</div><br><div class="gmail_quote"><div dir="ltr">On Wed, Oct 3, 2018 at 2:31 PM Andreas Neumann <<a href="mailto:a.neumann@carto.net" target="_blank">a.neumann@carto.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<p>Hi,</p>
<p>Glad to hear that it helped to run the operations on a closed
table. Nevertheless, as Luigi said, it would make sense to submit
an issue report about this slowness.<br>
</p>
<p>The other thing one has to keep on mind:</p>
<p>The SQLite API is kind of limited. Only until recently, if you
wanted to rename a field, one had to copy the whole table with the
renamed field changed in the new table - then the old table had to
be removed (all in the background), because there was API to
rename columns in SQLite. I think with the very recent version,
which is not rolled out into most OS, this has changed. You'd also
need a very recent GDAL/OGR.<br>
</p>
Greetings,<br>
Andreas<br>
<br>
<div class="m_7671550230968980835m_-5823976002201767723moz-cite-prefix">Am 03.10.2018 um 21:20 schrieb Kelley
Jabr:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Luigi, I'm pretty sure you just solved my problem.
I tried a few operations with the table closed and it was like
night and day. That 400k field calculator finished in mere
moments! Thank you!!</div>
<br>
<div class="gmail_quote">
<div dir="ltr">On Wed, Oct 3, 2018 at 1:42 PM Luigi Pirelli <<a href="mailto:luipir@gmail.com" target="_blank">luipir@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">can you test doing operations with field
calculator without having the attribute table opened? just a
workaround could be to use a virtual layer then save the
entire layer later.
<div>
<div><br clear="all">
<div>
<div dir="ltr" class="m_7671550230968980835m_-5823976002201767723m_-237128707789312989gmail_signature" data-smartmail="gmail_signature">Luigi Pirelli<br>
<br>
**************************************************************************************************<br>
* LinkedIn: <a href="https://www.linkedin.com/in/luigipirelli" target="_blank">https://www.linkedin.com/in/luigipirelli</a><br>
* Stackexchange: <a href="http://gis.stackexchange.com/users/19667/luigi-pirelli" target="_blank">http://gis.stackexchange.com/users/19667/luigi-pirelli</a><br>
* GitHub: <a href="https://github.com/luipir" target="_blank">https://github.com/luipir</a><br>
* Mastering QGIS 2nd Edition:<br>
* <a href="https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition" target="_blank">https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition</a><br>
* Hire me: <a href="http://goo.gl/BYRQKg" target="_blank">http://goo.gl/BYRQKg</a><br>
**************************************************************************************************</div>
</div>
<br>
</div>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr">On Wed, 3 Oct 2018 at 18:11, Kelley Jabr <<a href="mailto:kjabr@indeed.com" target="_blank">kjabr@indeed.com</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Hello,
<div><br>
</div>
<div>I'm working with a geopackage on ~530k features,
and just about everything I try to do in the table
takes way longer than expected. </div>
<div>
<ul>
<li>Adding a field took 5 minutes (table now has 22
total fields, so not massive)<br>
</li>
<li>Field Calculator on ~32k selected records took 8
minutes (literally all I was putting in the cells
was: N)</li>
<li>Field calculator on ~480k records took so many
hours that I had to leave it running over the
weekend and when I came back, the Field Calculator
had "closed unexpectedly"</li>
</ul>
<div>(I'm running on a linux machine with an Intel
Core i7 and 32GB of memory.)</div>
<div><br>
</div>
<div>Has anyone else experience similar issues? Any
advice or recommendations for how to improve
performance here? </div>
<div><br>
</div>
<div>Thank you,</div>
<div><br>
</div>
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