Josh Berkus escribió:

> Also, for people not familiar with Gokul's work, can you give us an  
> explanation of the theory and implementation for this?

It would be helpful to explain how this solves the lack of atomicity of
visibility data updates, which last time I checked was the killer
problem for this feature.

(It'd be good to do this in good ol' plain text email without resorting
to compressed files on random text formats)

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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