Simon Riggs <simon@2ndQuadrant.com> writes:
> [ v2 patch ]
BTW, while I'm looking at this, why bother with the separate
KnownAssignedXidsValid[] array? Wouldn't it be cheaper
(certainly so in storage, probably so in access/update times)
to have just the KnownAssignedXids[] array and store
InvalidTransactionId in unused entries?
regards, tom lane