SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function least (children 1)
       ExpressionList (children 2)
        Literal Int64_-9223372036854775808
        Literal UInt64_18446744073709551615
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function greatest (children 1)
       ExpressionList (children 2)
        Literal Int64_-9223372036854775808
        Literal UInt64_18446744073709551615
