| From: | Richard Guo <guofenglinux(at)gmail(dot)com> |
|---|---|
| To: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Avoid unnecessary wrapping for more complex expressions |
| Date: | 2024-12-17 11:09:22 |
| Message-ID: | CAMbWs48Z2gasiDvmeGY6Tirdq=7hdfqNzB2NQXCSjBxYvdMPfA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Dec 11, 2024 at 4:31 PM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
> As mentioned in that thread, I feel that we can apply a similar
> optimization to more complex non-var expressions: if a strict
> expression contains any variables of rels that are under the same
> lowest nulling outer join as the subquery, we can also avoid wrapping
> it.
> Any thoughts?
I’ve gone ahead and pushed this patch.
Thanks
Richard
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