Re: Adding CommandID to heap xlog records

Matthias van de Meent <boekewurm+postgres@gmail.com> writes:
> Please find attached a patch that adds the CommandId of the inserting
> transaction to heap (batch)insert, update and delete records. It is
> based on the changes we made in the fork we maintain for Neon.

This seems like a very significant cost increment with returns
to only a minuscule number of users.  We certainly cannot consider
it unless you provide some evidence that that impression is wrong.

            regards, tom lane