Alex.
On 6/12/06, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
Martijn van Oosterhout <kleptog@xxxxxxxxx> writes:
> Well, you have to be using a lot of OIDs for this to be an issue. At
> your stated rate of 1.5 million OIDs per day it will take just under
> eight years before you wraparound. That's a lot of OIDs and most
> databases don't get anywhere near that many, which is why it's not a
> big deal for most people...
It should also be pointed out that OID wraparound is not a fatal
condition. Pre-8.1 you might get occasional query failures due to
trying to insert duplicate OIDs, but that's about it.
> This gives you a list of tables that use OIDs. Maybe it can help you
> track down the problem.
Look at pg_class.relhasoids --- easier, and more reliable.
regards, tom lane
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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
