On Tue, Nov 22, 2016 at 7:01 PM, Robert Haas <robertmh...@gmail.com> wrote:
> This basic DO-UNDO-REDO protocol has been well-understood for
> decades.

FWIW, while this is basically true, the idea of repurposing UNDO to be
usable for MVCC is definitely an Oracleism. Mohan's ARIES paper says
nothing about MVCC.

Peter Geoghegan

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