#434

backend/app/services/counts_pivot_layout.rb

@@ -2,10 +2,10 @@
 class CountsPivotLayout
   def self.depths(keys, sorts, measures: true)
     return [] if keys.length < 2 || sorts.first&.first == 'count' ||
-        sorts.first&.first&.start_with?('measure_')
+        sorts.first&.first&.match?(/\Am[0-9]+\z/)
 
     relevant = sorts.map(&:first).select { keys.include?(_1) || (measures && (_1 == 'count' ||
-        _1.start_with?('measure_'))) }
+        _1.match?(/\Am[0-9]+\z/))) }
     order = (relevant + keys).uniq
     (1...keys.length).select { order.first(_1).sort == keys.first(_1).sort }
   end