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Re: totally different plan when using partitions

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Richard Huxton <dev@xxxxxxxxxxxx> writes:
> Scara Maccai wrote:
>> http://explain-analyze.info/query_plans/3817-query-plan-2525

> Ah, good - that's useful.

Hmmm ... why is the inner Nested Loop estimated to produce 30120 rows,
when the cartesian product of its inputs would only be 285 * 14 = 3990
rows?  What PG version is this, and can you extract a self-contained
test case with an equally silly estimate?

			regards, tom lane

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