[Qgis-user] Fill-down with QGIS expressions

[Totò]

Totò wrote
> what am I doing wrong?

Hi Andrea,
I finally understood the mistake.
First you need to create the 'zona_fill2' field and then populate it with
the expression:

if ("zone" is empty,
attribute (get_feature_by_id (@layer, $ id -1),
'zona_fill2'), "area")

So the mistake I was making is using a virtual field (maybe it's a bug?)

<http://osgeo-org.1560.x6.nabble.com/file/t378656/sisi.png> 

thanks
thanks



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