Re: COPY table FROM STDIN via SPI

From: Joe Conway <mail(at)joeconway(dot)com>
To: James Sewell <james(dot)sewell(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: COPY table FROM STDIN via SPI
Date: 2023-07-12 18:18:41
Message-ID: d30df590-4858-5e84-7d12-3cbef3aa672f@joeconway.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On 7/11/23 22:52, James Sewell wrote:
>
> No.  It'd be a wire protocol break, and even if it weren't I would not
> expect many clients to be able to deal with it.  They're in the middle
> of a query cycle (for the SELECT or CALL that got you into SPI), and
> suddenly the backend asks for COPY data?  What are they supposed to
> send, or where are they supposed to put it for the COPY-out case?
> There's just not provision for nesting protocol operations like that.
>
>
> What about running a COPY directly from C - is that possible?

https://www.postgresql.org/docs/current/libpq-copy.html

--
Joe Conway
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message chap 2023-07-12 18:43:21 Re: COPY table FROM STDIN via SPI
Previous Message Gurjeet Singh 2023-07-12 17:47:56 Re: Better help output for pgbench -I init_steps