Tom Lane wrote:
> "Pavan Deolasee" <pavan.deolasee@gmail.com> writes:
> > I am sure this must have been discussed before.
>
> Indeed. Apparently you didn't find the threads in which the idea of
> having transactions enter "delta" entries was discussed? Solves both
> the locking and the MVCC problems, at the cost that you need to make
> cleanup passes over the counter table fairly often.
>
> I don't see this as material for the core DB but it would make a great
> contrib module.
The TODO list has lots of details on this.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://postgres.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
