Ok, I forgot the auto-find feature.

Next I have to find out the best way to get the tables from old to new
server ...

Thx.

Am 25.09.2021 um 13:29 schrieb Charles Dixon-Paver:
If you want to bulk process your layers there are a few options. If
you break the existing connection, the project will prompt you to find
new layers when it starts up, the interface for which includes
features like "auto-find" etc. There is also a plugin
called changeDataSource which provides a similar functionality to
changing the data source from the layer context menu, but I believe it
supports bulk processing as well.

Personally in most instances I use a text editor to find and replace
the various data source strings within the project file, but this is
context specific and if you have complex configurations you may break
things in your project. If you want a good visual UX the plugin route
is probably the best.

Regards


On Sat, 25 Sept 2021 at 12:29, L.W. <[email protected]
<mailto:[email protected]>> wrote:

    Hi,

    I want to change the database server for my QGIS-Project.

    I have a new server at a new location, postgres+postgis.
    Postgis extension is activated on 2nd one.

    Do I have to change every single layer each at a time? Is there a
    batch
    option?

    How can I achieve this without loosing data and a lot of time?

    Regards

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