 a factor of
      three or more.
     </P
></LI
><LI
><P
>      Ensure that the contents of a holdable cursor don't depend on the
      contents of TOAST tables (Tom)
     </P
><P
>      Previously, large field values in a cursor result might be represented
      as TOAST pointers, which would fail if the referenced table got dropped
      before the cursor is read, or if the large value is deleted and then
      vacuumed away.  This cannot happen with an ordinary cursor,
      but it could with a cursor t