SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function transform (alias result) (children 1)
     ExpressionList (children 4)
      Literal UInt64_0
      Literal Array_[UInt64_0, UInt64_1]
      Literal Array_[\'ZERO\', \'ONE\']
      Literal NULL
