[QGIS-Developer] QGIS expression based layer filters

David Signer david at opengis.ch
Wed Sep 24 05:56:21 PDT 2025


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.

Thanks for any feedback and cheers
Dave

--

Dave Signer
Senior Developer & INTERLIS Architect
OPENGIS.ch - Team QGIS & Industry Solutions
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