Re: Show various offset arrays for heap WAL records

Hi,

On 2023-01-11 14:53:54 -0800, Peter Geoghegan wrote:
> On Tue, Jan 10, 2023 at 11:35 AM Andres Freund <andres@anarazel.de> wrote:
> > Nontrivial, I'm afraid. We don't pass any relevant parameters to rm_desc:
> >         void            (*rm_desc) (StringInfo buf, XLogReaderState *record);
> >
> > so we'd need to patch all of them. That might be worth doing at some point,
> > but I don't want to tackle it right now.
> 
> Okay. Let's just get the basics in soon, then.

> I would like to have a similar capability for index access methods,
> but mostly just for investigating performance. Whenever we've really
> needed something like this for debugging it seems to have been a
> heapam thing, just because there's a lot more that can go wrong with
> pruning, which is spread across many different places.

What are your thoughts about the place for the helper functions? You're ok
with rmgrdesc_utils.[ch]?

Greetings,

Andres Freund