I'll throw in my vote, I would find this quite useful.
-Glen
Florian G. Pflug wrote:
I plan to submit a proposal for implementing support for
read-only queries during wal replay as a "Google Summer of Code 2007"
project.
I've been browsing the postgres source-code for the last few days,
and came up with the following plan for a implementation.
I'd be very interested in any feedback on the propsoal - especially
of the "you overlooked this an that, it can never work that way" kind ;-)
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
