[Qgis-user] Project files with local and remote connections to postgreSQL databases

[Andreas Neumann]

Hi,

Yes - it is a perfect case for PostgreSQL service definitions.

See 
https://docs.qgis.org/testing/en/docs/user_manual/managing_data_source/opening_data.html#postgresql-service-connection-file

This way you are flexible: you don't connect to a 
hostname/ip/port/database connection but to a service definition - which 
can be managed centrally without having to change the data sources in QGIS.

On different computers and users you can have different service 
defitions (pg_service.conf files) - on one machine pointing to 
"localhost", on another to a "remote host".

That way you can also easily migrate your PostgreSQL server to a 
different hostname or IP without having to change hundreds of QGIS 
projects that point to a fixed hostname.

It is good practice to use PostgreSQL service definitions anyway.

On windows, make sure you use Unix line ending in your service defintion 
file, or you may get troubles using it.

Greetings,

Andreas

Am 11.01.19 um 08:00 schrieb Paolo Cavallini:
> Use pg_services.
>
> Il 11 gennaio 2019 01:54:24 CET, Brent Wood <Brent.Wood at niwa.co.nz> ha 
> scritto:
>
>     This is not tested, but I think it should work
>
>     Enable host based access for local connections via the server IP
>     address in your pg_hba file and use this for all QGIS access, so
>     you apply the same access approach for both local & remote
>     connections.
>
>
>     Cheers
>
>     Brent Wood
>
>     Programme leader: Environmental Information Delivery
>     NIWA
>     DDI:  +64 (4) 3860529
>
>
>
>     <http://www.niwa.co.nz>
>
>     	
>     Brent Wood
>     Principal Technician - GIS and Spatial Data Management
>     Programme Leader - Environmental Information Delivery
>     T +64-4-386-0529 		
>
>     National Institute of Water & Atmospheric Research Ltd (NIWA)
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>     ________________________________________
>     From: Qgis-user <qgis-user-bounces at lists.osgeo.org> on behalf of
>     Laurence Béchet <bechet.laurence at gmail.com>
>     Sent: Friday, January 11, 2019 13:04
>     To: qgis-user at lists.osgeo.org
>     Subject: [Qgis-user] Project files with local and remote
>     connections to postgreSQL databases
>
>     Hi,
>
>     I am having a basic problem with my project files. I usually run qgis
>     locally, where the PostgreSQL database is. However, sometimes I
>     need to
>     have these same projects run on a remote computer (where a version a
>     qGIS is locally installed, but the connection to the database is
>     remote). And then the project file 'doesn't work' because the expected
>     connection to the database is locally not remotely, and I have not
>     figured out how to modify this parameter when the project is loaded in
>     qGIS. My current work around is to create a specific project for the
>     remote computer.
>
>     However this solution is annoying when you have plenty of
>     composers that
>     you lose in the process ... and playing directly in the xml
>     project file
>     is a bit scary ...
>     Anybody would have an idea how to fix the problem?
>
>     Kind regards
>     Laurence Béchet
>     ARK IN THE PARK Volunteer Co-Ordinator
>     Cascades Ranger Station
>     Falls Road, Waitakere
>     Phone:  (09) 810 7014
>
>     www.arkinthepark.org.nz www.forestandbird.org.nz
>
>
>
>
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>
>
>
> -- 
> Sorry for being short
>
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