The fun thing is, they have corrected a bunch of that in newer versions of postgresql. I'm surprised that the problem stemmed from an index where the 'AND NOT

The fun thing is, they have corrected a bunch of that in newer versions of postgresql. I'm surprised that the problem stemmed from an index where the 'AND NOT NULL' took forevery to scan, and they didn't include a partial index, or an index in a different order since they are sorted.