ruby - Sequel: How to use group and count -


simply put, how can query using sequel?

select a.id, count(t.id) albums right join tracks t on t.album_id = a.id group a.id 

db[:albums___a].   right_join(:tracks___t, :album_id=>:id).   select_group(:a__id).   select_more{count(:t__id)}

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