Hey Jürgen,
this doesn't explain why each operations isn't grouped.

For instance all the addFeatures are grouped into one transaction, but not
into one statement.
Cheers,

Rémi-C

2015-05-28 16:39 GMT+02:00 Jürgen E. <j...@norbit.de>:

> Hi Rémi,
>
> On Thu, 28. May 2015 at 12:06:22 +0200, Rémi Cura wrote:
> > When making several edit on the layer, then saving the edits.
> > All the edits are send one by one to the database (though in the same
> > transaction).
>
> That's because of the provider interface.  For vector data providers
> addFeatures, deleteFeatures, changeAttributeValues and
> changeGeometryValues are
> independant operations - which therefore are also done in separate
> transactions.
>
>
> Jürgen
>
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> Jürgen E. Fischer           norBIT GmbH             Tel. +49-4931-918175-31
> Dipl.-Inf. (FH)             Rheinstraße 13          Fax. +49-4931-918175-50
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