SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function array (children 1)
     ExpressionList (children 2)
      Literal Int64_-1
      Function toUInt16 (children 1)
       ExpressionList (children 1)
        Literal UInt64_1000