Tom Lane wrote:
I feel the best idea for a non-initdb-forcing solution is to hardwire
the template knowledge into CREATE LANGUAGE for 8.1 (with of course the
intention of doing my full original proposal for 8.2). With that in
place, the only messiness from loading old dumps is that you would have
handler function definitions in public --- but they wouldn't be used
(the actual languages would rely on handlers in pg_catalog) and could be
dropped easily.
Ok, that sounds good. Maybe have pg_dump issue a warning about the
useless handler funcs left lying around?
cheers
andrew
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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
