| From: | hubert depesz lubaczewski <depesz(at)depesz(dot)com> |
|---|---|
| To: | Julien Rouhaud <rjuju123(at)gmail(dot)com> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Pierre Giraud <pierre(dot)giraud(at)dalibo(dot)com>, Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>, e(dot)sokolova(at)postgrespro(dot)ru, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] Add extra statistics to explain for Nested Loop |
| Date: | 2020-10-17 08:23:45 |
| Message-ID: | 20201017082345.GA17244@depesz.com |
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| Lists: | pgsql-hackers |
On Sat, Oct 17, 2020 at 12:26:08PM +0800, Julien Rouhaud wrote:
> >> - -> Nested Loop (actual rows=N loops=N)
> >> + -> Nested Loop (actual min_rows=0 rows=0 max_rows=0 loops=2)
> > This interface is ok - there is not too much space for creativity.
> Yes I also think it's ok. We should also consider usability for tools
> like explain.depesz.com, I don't know if the current output is best.
> I'm adding Depesz and Pierre which are both working on this kind of
> tool for additional input.
Thanks for heads up. This definitely will need some changes on my side,
but should be easy to handle.
Best regards,
depesz
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