Hi Andrew,
you can use the relation_aggregate expression to concatenate the child
items, something like:
relation_aggregate('my_relation','concatenate', "child_attribute",
concatenator:=',')
just see the help for relation_aggregate in the expression builder.
bests regards
Stefan
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Am 2018-12-13 17:11, schrieb Andrew Bell:
I have spatial layer and non-spatial layer set up as a relation QGIS
3.4. The non-spatial layer is the child.
I'm trying create a display pop-up for the spatial layer that sources
attributes and values from the relation layer.
I can see the relation is an option in the expression dialog but at
the moment I cannot see how I'm going to bring through field names and
values from this other table.
Has anyone done this and have any pointers they could share?
Many thanks
Andrew
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