On Sat, Aug 15, 2020 at 04:39:05PM -0400, Tom Lane wrote:
> Noah Misch <noah(at)leadboat(dot)com> writes:
> > Prevent concurrent SimpleLruTruncate() for any given SLRU.
>
> I find it fairly scary that you've changed enum LockTagType in the
> back branches. Are we quite certain that no extensions have compiled-in
> values of that enum?
>
> Safer from an ABI standpoint would be to add the new value at the end,
> at least in the back branches.
Yeah, that was negligent. Several PGXN modules do refer to locktags. I'll
move it.