Gokulakannan Somasundaram wrote:
> OK. Say a session doing the update, which is the fist update on the page,
> resets the PD_ALL_VISIBLE and just before updating the visibility map
> crashes. The subsequent inserts/updates/deletes, will see the PD_ALL_VISIBLE
> flag cleared and never care to update the visibility map, but actually it
> would have created tuples in index and table.
The replay of the heap insert/update/delete record updates the
visibility map.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com