Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> writes:
> Tom Lane wrote:
>> [ looks at CVS logs ... ] Another case that will cause plan
>> invalidation in 8.4 and not 8.3 is creating or dropping a schema.
>> Do you do a lot of that?
> Hmm, he says he uses temporary tables. Does creating/dropping a
> temporary namespace trigger plan cache invalidation?
It could, but I suppose that most DBs would soon reach a steady state
where they have all the pg_temp_ schemas they need. (Hadn't occurred to
me before, but this is a real good reason for the implementation not
discarding the actual schema when a temp namespace is recycled ...)
regards, tom lane
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