[QGIS-Developer] QGIS expression based layer filters

[Nyall Dawson]

On Wed, 24 Sept 2025, 10:56 pm David Signer via QGIS-Developer, <
qgis-developer at lists.osgeo.org> wrote:

> Hi there
>
> I've been considering enhancing the Query Builder (accessible via Layer ->
> Filter...) by QGIS expression based filters. At least with project and
> global scope.
> Maybe with tabs to distinguish between "provider side filter" (current
> functionality) and "expression filter" (new functionality).
>
> Any opinions on this? In my view, this could be valuable because it's
> available on all kinds of data-layers and allows us to use variables and
> functions for filtering as well.
>

Can you make sure you file a QEP before starting any work? 👍

Nyall

>
> Thanks for any feedback and cheers
> Dave
>
> --
>
> Dave Signer
> Senior Developer & INTERLIS Architect
> OPENGIS.ch - Team QGIS & Industry Solutions
>
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