Simon Riggs <si...@2ndquadrant.com> writes:
> Can we put a identifier into header of each control block, an ascending
> value that is unlikely duplicate between calls? That way we'd be able to
> tell immediately it wasn't the same block,
Same block than what? Unless you can somehow hide that ID number in
a MemoryContext pointer, the staleness of the pointer won't be evident.
regards, tom lane
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