Re: Large number of partitions of a table

On 1/17/22 9:14 AM, David G. Johnston wrote:

On Mon, Jan 17, 2022 at 7:58 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:

Ron <ronljohnsonjr@gmail.com> writes:
> On 1/16/22 11:38 PM, Victor Sudakov wrote:
>> so no query should ever have to use more than 1 partition.

> I find it hard to believe that you'll *never* run a report against more
> customers than are in a single partition.

Yeah, I'm a little suspicious of that.

Is "never" really the correct threshold here? 

That's what OP wrote, and that's what we're dubious about.  Users who know a bit too much to be dangerous write a scary about of unexpected queries.