| From: | Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
|---|---|
| To: | Alexander Pyhalov <a(dot)pyhalov(at)postgrespro(dot)ru> |
| Cc: | solaimurugan vellaipandiyan <drsolaimurugan(dot)v(at)gmail(dot)com>, Álvaro Herrera <alvherre(at)kurilemu(dot)de>, g(dot)kashkin(at)postgrespro(dot)ru, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Function scan FDW pushdown |
| Date: | 2026-08-15 00:49:23 |
| Message-ID: | CAPpHfdv99rqDdZOmo6onNaFkvW_ETj0yVW90yRpNxVtM1iFgWg@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi!
> Hi. I've updated comment a bit, as we currently have to handle NULL
> records correctly,
> this is not a nice-to-have feature which we need for future changes to
> be more safe.
Thank you. I've further improved that comment. Also, I've revised the
cost calculation in init_func_stub_fpinfo() to reflect the cost of the
function execution on the remote side. I have to edit the regression
test query to reliably exercise the pushdown.
------
Regards,
Alexander Korotkov
Supabase
| Attachment | Content-Type | Size |
|---|---|---|
| v14-0001-postgres_fdw-push-down-FUNCTION-RTE-into-foreign.patch | application/octet-stream | 87.6 KB |
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