On 20 December 2011 10:27, Magnus Hagander <mag...@hagander.net> wrote:
> Doing it in numeric should be perfectly fine. The only real reason to
> pick int8 over in this context would be performance, but it's not like
> this is something that's going to be called in really performance
> critical paths...

FYI, my group commit patch has a little macro, in the spirit of
XLByteAdvance, to get the delta between two LSNs in bytes as an

Peter Geoghegan       http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services

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