SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function arrayJoin (alias x) (children 1)
     ExpressionList (children 1)
      Literal Array_[Int64_-1000, Int64_-2, Int64_-1, UInt64_0, UInt64_1, UInt64_2, UInt64_18, UInt64_19, UInt64_20, UInt64_21, UInt64_1000]
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier x
    Function intExp10 (children 1)
     ExpressionList (children 1)
      Identifier x