[Qgis-user] copy and paste very slow in qgis

[Alexandre Neto]

Question:

Were you doing the copy-paste with the target attributes table open? Don't.

Do it in the map canvas.

Alexandre Neto

A segunda, 4/07/2022, 17:30, Michael.Dodd via Qgis-user <
qgis-user at lists.osgeo.org> escreveu:

> Thanks that “Export->Save Features, ticking Save Only Selected Features”
> worked fine, took just a few seconds.
>
>
>
> Have not tried the other suggestion from someone else about the spatial
> index but the file I was pasting into was empty so I am not sure it had a
> spatial index to start with.
>
>
>
> *From:* David Strip <qgis-user at stripfamily.net>
> *Sent:* Monday, July 4, 2022 5:15 PM
> *To:* Michael.Dodd <michael.dodd at open.ac.uk>; 'qgis-user at lists.osgeo.org'
> <qgis-user at lists.osgeo.org>
> *Subject:* Re: [Qgis-user] copy and paste very slow in qgis
>
>
>
> CAUTION: This mail comes from outside the University. Please consider this
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>
> On 7/4/2022 9:03 AM, Michael.Dodd via Qgis-user wrote:
>
> I am trying to copy points with their attributes from one layer to another
> (actually one geopackage file to another), the select is quick, couple of
> mins, bearing in mind there are 800,000 points but when pasting into the
> new empty geopackage file it is extremely slow. Less than 10% of the points
> need to be pasted but it was taking 40mins before I stopped it and I had no
> idea how much longer it would take. There was a hint that it may have done
> about 30,000 in 40mins.
>
> Is there another way to do this, I have also tried switching the selection
> and deleting the other 90% but this too is very slow and don’t see the end.
>
> Have you tried selecting the features, then Export->Save Features, ticking
> Save Only Selected Features?
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