I guess I never did it before, which is weird because it looks like usual 
requirement.

I have a DB query where I need to get a join of two tables and aggregate 
from third table.
That means I need to set two tables in groupby.

To describe what *doesn't *work but you'll get the idea what I want:

count = db.table3.id.count()
left = db.table3.on(something)
rows = db(some_query).select(count, db.table1.ALL, db.table2.ALL, left=left, 
*groupby=[db.table1.ALL, 
db.table2.ALL]*)

So the groupby thing is not working and I don't see an easy way to do it. I 
could extract fields from SQLALL object but that's not a way to go. It 
should be easier :)

Marin

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