| From: | Sami Imseih <samimseih(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: improve EXPLAIN for wide tables |
| Date: | 2024-12-30 17:51:06 |
| Message-ID: | CAA5RZ0uN+=-7spMnquzV7C4y-YORVZP892Qxhco3TON_kQg7jA@mail.gmail.com |
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| Lists: | pgsql-hackers |
> I wrote:
> > Sami Imseih <samimseih(at)gmail(dot)com> writes:
> >> I am attaching a patch that deals with the RTE_JOIN case.
>
> > I'll take a look. Thanks for the test demonstrating that
> > this makes a visible performance difference.
>
> Pushed with some simplification: we don't need a new flag,
> because none of the callers of set_simple_column_names need it
> to do anything with join RTEs. This is better anyway because
> set_relation_column_names' comment explicitly says it is not
> for join RTEs, and now we don't use it on them ever.
>
Thank you for pushing the enhancement!
Regards,
Sami Imseih
Amazon Web Services (AWS)
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