Did you try it using a service file (haven’t tested myself)….would be 
interesting to hear how you got it working….

Regards

Tim

> On 21 May 2019, at 08:47, Andreas Neumann <[email protected]> wrote:
> 
> Hi,
> 
> According to the libpq documentation it is possible to specify more than one 
> host for PG connections.
> 
> See https://www.postgresql.org/docs/current/libpq-connect.html 
> <https://www.postgresql.org/docs/current/libpq-connect.html>  --> section 
> 34.1.1.2. Connection URIs
> 
> -----------
> 
> It is possible to specify multiple host components, each with an optional 
> port component, in a single URI. A URI of the form 
> postgresql://host1:port1,host2:port2,host3:port3/ is equivalent to a 
> connection string of the form host=host1,host2,host3 port=port1,port2,port3. 
> Each host will be tried in turn until a connection is successfully 
> established.
> 
> -------------
> 
> Is this option to specify more than one host supported by QGIS and if yes, 
> how? It would only make sense for read-only connections, I think.
> 
> Thanks,
> Andreas
> 
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—









Tim Sutton

Co-founder: Kartoza
Ex Project chair: QGIS.org

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