I'm trying to figure out why hash joins seem to be systematically underused
in my hands. In the case I am immediately looking at it prefers a merge
join with both inputs getting seq scanned and sorted, despite the hash join
being actually 2 to 3 times faster, where inputs and intermediate working
Jeff Janes jeff.ja...@gmail.com writes:
I'm trying to figure out why hash joins seem to be systematically underused
in my hands. In the case I am immediately looking at it prefers a merge
join with both inputs getting seq scanned and sorted, despite the hash join
being actually 2 to 3 times
