Noah Misch <[email protected]> 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.
regards, tom lane
