On Fri, Oct 13, 2017 at 5:25 AM, Kuntal Ghosh <kuntalghosh.2007@gmail.com> wrote: > For some other > storage engine, if we maintain the older version in different storage, > undo for example, and don't require a new index entry, should we still > call it HOT-chain?
I would say, emphatically, no. HOT is a creature of the existing heap. If it's creeping into storage APIs they are not really abstracted from what we have currently.
+1,
different storage may need to insert entries to only *some* of indexes.
Wherein these new index entries may have either same or new TIDs.
