Re: Function scan FDW pushdown - Mailing list pgsql-hackers

From Alexander Korotkov
Subject Re: Function scan FDW pushdown
Date
Msg-id CAPpHfdv99rqDdZOmo6onNaFkvW_ETj0yVW90yRpNxVtM1iFgWg@mail.gmail.com
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In response to Re: Function scan FDW pushdown  (Alexander Pyhalov <a.pyhalov@postgrespro.ru>)
Responses Re: Implement waiting for wal lsn replay: reloaded
Re: Function scan FDW pushdown
List 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

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