Answer by bixb0012 for QGIS aggregate - filter by newest date
I think there are two questions to be addressed here. The first is can this be done, and the second is whether it should be done. To answer the first question, the following approach has worked for me...
View ArticleAnswer by MrXsquared for QGIS aggregate - filter by newest date
The filter needs to return a boolean. Therefore you need to add a comparison:filter:="Date"=maximum("Date")Additionally I figured out a little strange behavior. In my testcase maximum("Date") returns a...
View ArticleQGIS aggregate - filter by newest date
i have two one-to-may related layers (relation name: tree_observation) parent: trees and child: obeservations. The trees should be revisited on a regular base and for each observation a new child...
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