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Re: strange nested loop row count estimates

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Sergey Koposov <skoposov@xxxxxxx> writes:
> I'm currently trying to understand the expected row counts for a query involving a nested loop join and bitmap index scan 
> on the functional index and a custom operator. And the numbers that I see don't make sense to me currently.

What sort of selectivity estimator have you got attached to that custom
operator?

			regards, tom lane






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