SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayReduceInRanges (children 1)
     ExpressionList (children 3)
      Literal \'groupArray\'
      Function array (children 1)
       ExpressionList (children 3)
        Literal Tuple_(UInt64_1, UInt64_3)
        Literal Tuple_(UInt64_2, UInt64_3)
        Literal Tuple_(UInt64_3, UInt64_3)
      Literal Array_[\'a\', \'b\', \'c\', \'d\', \'e\']