Tobias Brox wrote:
[EMAIL PROTECTED] - Tue at 08:33:58PM +0200]I use FreeBSD 4.11 with PostGreSQL 7.3.8.(...)database=> explain select date_trunc('hour', time),count(*) as total from test where p1=53 and time > now() - interval '24 hours' group by date_trunc order by date_trunc ;I haven't looked through all your email yet, but this phenomena have been up at the list a couple of times. Try replacing "now() - interval '24 hours'" with a fixed time stamp, and see if it helps. pg7 will plan the query without knowledge of what "now() - interval '24 hours'" will compute to. This should be fixed in pg8.
The grandparent was a mailing list double send. Notice the date is 1 week ago. It has already been answered (though your answer is still correct). John =:->
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