SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayReduce (children 1)
     ExpressionList (children 2)
      Literal \'uniqStateForEachMapForEach\'
      Function array (children 1)
       ExpressionList (children 1)
        Function array (children 1)
         ExpressionList (children 1)
          Function map (children 1)
           ExpressionList (children 2)
            Literal UInt64_1
            Literal Array_[UInt64_2]
