Pavan Deolasee wrote:
> Please see the version 14 of HOT patch attached. I have also
> attached a differential patch from the last version posted. This
> now includes support for partial and expression indexes. As per
> the discussion, we collect all the index columns appearing in
> the partial index predicates and/or expression index expressions.
> If any of these columns are being updated, the update does not
> qualify for HOT update.

I see that you have a separate bitmapset to keep track of indexes on
system attributes. But having an index on a system attribute doesn't
make any sense, does it?

-- 
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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