On Mon, Mar 4, 2019 at 12:44:41PM -0500, Robert Haas wrote:
> I think that's a separate but also promising thing to attack, and I
> agree that it'd take a lot of work to get there. I don't think that
> the problem with either parse-tree-copying or list usage is that no
> performance benefits are to be had; I think it's that the amount of
> work required to get those benefits is pretty large. If it were
> otherwise, somebody likely would have done it before now.
Stupid question, but do we use any kind of reference counter to know if
two subsystems look at a structure, and a copy is required?
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
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