[ sorry for slow response, but I'd not gotten time to think about this... ]
Sam Ross ellip...@gmail.com writes:
I was wondering why it seems that the query planner can't see, based
on the histograms, that two join-columns have a very small
intersection, and adjust its row estimation
I was wondering why it seems that the query planner can't see, based
on the histograms, that two join-columns have a very small
intersection, and adjust its row estimation accordingly. Clearly the
below query returns 1001 rows. It appears as if much or all of the
necessary machinery exists in