Hi Ale,
That would explain it ;-)
I also tried various other combinations, like
with @current_parent_feature, @feature, etc. - but haven't found a
working version ...
I might try with a variable ;-) I got the variable filter version
working in another project. But that involved Python ...
Andreas
On 2022-12-06 16:52, Alessandro Pasotti wrote:
Sorry, I just realized that you are using relation-reference widgets
and not value-relation widgets.
I don't think that the current_(parent)_value will work in that case,
it wasn't implemented.
Cheers
On Tue, Dec 6, 2022 at 3:59 PM Andreas Neumann via QGIS-Developer
<qgis-developer@lists.osgeo.org> wrote:
Hi,
In one of my form setups, I would like to filter one relation
reference widget combo box with a filter expression based on the
selected entry of another relation reference value.
A static filter like:
szenario_art = 'Brand'
works as expected and it returns the filtered values - but as soon as
I try to base it on the value of another relation reference widget, it
fails ...
I tried
szenario_art = current_value('szenario_art')
but no records get selected.
Questions:
Does the current_value() return the "internal value" or the "human
readable" value?
Do I have to eval() something in the filter expression?
Is there a way to test "current_value" somehow? I tried to write the
changed value into another text widget (with default values on
update), but it will always return "NULL". In the expression editor, I
also always get "NULL" in the preview.
Thank you for your help,
Andreas
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