[Qgis-user] Value relation option in QGIS

[Chris Buckmaster]

Hi Andreas

Thanks for confirming – I think I understand your approach, but is there a way to store these values in the widget properties, perhaps under value map then so the separate table may not be required?

There will be occasions where a user will want to add the spatial layer from the PostGIS connection, but they wouldn’t necessarily know that other tables need to be added as well which link to that.

Thanks


From: Neumann, Andreas [mailto:a.neumann at carto.net]
Sent: 18 July 2016 12:22
To: Chris Buckmaster
Cc: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] Value relation option in QGIS


Hi Chris,

Yes - you need both tables in the QGIS project. I usually create a separate group for the value list tables at the bottom of the layer manager.

Andreas

On 2016-07-18 12:58, Chris Buckmaster wrote:
Hi

I have a field in a PostGIS table for which I would only like the user to be able to select a pre-defined value.

Along with my table, I have created a separate PostGIS table listing out those values that I would like the user to be able to select. I filled out the options within the value relation widget for my layer, but have found that when I bring my table back into my project after saving it, I am unable to see any options in the drop down menu it shows (I saved my style when I set the value relation widget properties).

The error I get is regarding permission denied for the sequence (as I have a primary key field in my main table, although I have made sure the user has all access).

Just wondering what possible issues I might be having? Do I need my non spatial table in the project as well? I can provide any further information as required.

Thanks, Chris



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