Re: Implementing Incremental View Maintenance

On Fri, 22 Apr 2022 11:29:39 +0900
Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp> wrote:

> Hi,
>
> On Fri, 1 Apr 2022 11:09:16 -0400
> Greg Stark <stark(at)mit(dot)edu> wrote:
>
> > This patch has bitrotted due to some other patch affecting trigger.c.
> >
> > Could you post a rebase?
> >
> > This is the last week of the CF before feature freeze so time is of the essence.
>
> I attached a rebased patch-set.
>
> Also, I made the folowing changes from the previous.
>
> 1. Fix to not use a new deptye
>
> In the previous patch, we introduced a new deptye 'm' into pg_depend.
> This deptype was used for looking for IVM triggers to be removed at
> REFRESH WITH NO DATA. However, we decided to not use it for reducing
> unnecessary change in the core code. Currently, the trigger name and
> dependent objclass are used at that time instead of it.
>
> As a result, the number of patches are reduced to nine from ten.

> 2. Bump the version numbers in psql and pg_dump
>
> This feature's target is PG 16 now.

Sorry, I revert this change. It was too early to bump up the
version number.

--
Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp>