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From: Sutou Kouhei <[email protected]>
To: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Subject: Re: Make COPY format extendable: Extract COPY TO format implementations
Date: Fri, 26 Jan 2024 17:32:46 +0900 (JST)
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAEG8a3+-oG63GeG6v0L8EWi_8Fhuj9vJBhOteLxuBZwtun3GVA@mail.gmail.com>
References: <CAD21AoALxEZz33NpcSk99ad_DT3A2oFNMa2KNjGBCMVFeCiUaA@mail.gmail.com>
	<[email protected]>
	<CAEG8a3+-oG63GeG6v0L8EWi_8Fhuj9vJBhOteLxuBZwtun3GVA@mail.gmail.com>

Hi,

In <CAEG8a3+-oG63GeG6v0L8EWi_8Fhuj9vJBhOteLxuBZwtun3GVA@mail.gmail.com>
  "Re: Make COPY format extendable: Extract COPY TO format implementations" on Fri, 26 Jan 2024 16:18:14 +0800,
  Junwang Zhao <[email protected]> wrote:

> In the current implementation, there is no way that one can check
> incompatibility
> options in ProcessCopyOptions, we can postpone the check in CopyFromStart
> or CopyToStart, but I think it is a little bit late. Do you think
> adding an extra
> check for incompatible options hook is acceptable (PFA)?

Thanks for the suggestion! But I think that a custom handler
can do it in
CopyToProcessOption()/CopyFromProcessOption(). What do you
think about this? Or could you share a sample COPY TO/FROM
WITH() SQL you think?


Thanks,
-- 
kou

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