Simon Riggs <si...@2ndquadrant.com> wrote: > Do we need table-level predicate locks at all? What would they give > us? Why not just go straight for fine-grained page-level locks? I don't want to get too far into implementation discussions at this phase (see Tom's slides ;-)), but suffice it to say that a table scan can cover more pages than we'd want to track individually.... The coursest possible resolution allows proof of concept. Tests can be written that work at that level which should not break as finer-grained locks are implemented. (See how I'm drawing from another presentation? ;-)) -Kevin
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