Re: CHECKPOINT unlogged data

On 2025-05-30 19:23:04 +0200, Christoph Berg wrote:
> Re: Nathan Bossart
> > This patch also adds an IMMEDIATE option, which I proposed some time ago
> > [0]. I ended up withdrawing it due to general skepticism about its
>
> Thanks for the pointer, I did not go that far back when looking for
> older threads.
>
> When writing the patch, I was also thinking about naming the option
> "fast" or "spread" but ultimately went with "immediate" because that's
> what the log message is using:
>
> =# checkpoint;
> 2025-05-30 18:23:17.433 CEST [579834] LOG: Checkpoint beginnt: immediate force wait
>
> SQL command "(options)" tend to be booleans, hence "immediate {on|off}".
> Introducing two separate keywords "fast" and "spread" seemed
> confusing, and there is no precedent for "fast=on" in other tools or
> the replication protocol.

I'd add a 'mode' that can be set to an arbitrary string, which then can be
validated in C code. That seems more future proof.