Tobias Brox <[EMAIL PROTECTED]> writes:
>> What version of PostgreSQL are you using?
> Also answered in my follow-up - "not yet pg8" :)
Your followup hasn't shown up here yet, but if the query is written like
WHERE timestampcol >= now() - interval 'something'
then the pre-8.0 planner is not capable of making a good estimate of the
selectivity of the WHERE clause. One solution is to fold the timestamp
computation to a constant on the client side.
regards, tom lane
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