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 <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 +
