Yeah, that's a known concern - hence the evaluation as part of the list vs. hash comparison ;)
Jim
On Thu, 1 Jun 2023 at 14:32, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
Jim Vanns <jvanns@xxxxxxx> writes:
> Here's the general approach we have, without code and with hypothetical
> model, since I'm writing this hastily;
> table devices; <-- After trigger on here
> table routes; <-- To create physical partition for this logical table
> table route_for_device_N; <-- The dynamically created partition
> We don't know the device names and thus partitions up front, hence the need
> for dynamic creation. How do you go about doing this or is it folly!?
Sounds like folly, TBH. You're going to end with a ridiculous number
of partitions of the routes table, which will not be good for performance.
regards, tom lane
Jim Vanns
Principal Production Engineer
Industrial Light & Magic, London
Principal Production Engineer
Industrial Light & Magic, London
