Hi, In <caeg8a3+-og63geg6v0l8ewi_8fhuj9vjbhotelxubzwtun3...@mail.gmail.com> "Re: Make COPY format extendable: Extract COPY TO format implementations" on Fri, 26 Jan 2024 16:18:14 +0800, Junwang Zhao <zhjw...@gmail.com> 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