Re: Deduplicate min restart_lsn calculation code

On Thu, Jan 6, 2022 at 11:54 PM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
>
> On 2022-Jan-06, Bharath Rupireddy wrote:
>
> > Hi,
> >
> > It seems like the two functions ReplicationSlotsComputeRequiredLSN and
> > ReplicationSlotsComputeLogicalRestartLSN more or less does the same
> > thing which makes me optimize (saving 40 LOC) it as attached. I'm
> > pretty much okay if it gets rejected on the grounds that it creates a
> > lot of diff with the older versions and the new API may not look
> > nicer, still I want to give it a try.
> >
> > Thoughts?
>
> Hmm, it seems sensible to me. But I would not have the second boolean
> argument in the new function, and instead have the caller save the
> return value in a local variable to do the XLogSetReplicationSlotMinimumLSN
> step separately. Then the new function API is not so strange.

Thanks for taking a look at it. Here's the v2 patch, please review.

Regards,
Bharath Rupireddy.