On Thu, Nov 24, 2016 at 12:23:28PM -0500, Robert Haas wrote:
> I agree up to a point.  I think we need to design our own system as
> well as we can, not just copy what others have done.  For example, the
> design I sketched will work with all of PostgreSQL's existing index
> types.  You need to modify each AM in order to support in-place
> updates when a column indexed by that AM has been modified, and that's
> probably highly desirable, but it's not a hard requirement.

I feel you are going to get into the problem of finding the index entry
for the old row --- the same thing that is holding back more aggressive
WARM updates.

-- 
  Bruce Momjian  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +


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