Josh Berkus <josh@agliodbs.com> writes:
> Further, in 7.5 we'll be introducing correlated stats for multi-column
> indexes (unless something's gone off with that?)
> This was discussed on Hackers in October, a complete implementation was shown,
> I thought it was committed at that time. If not, what happened to it?
Are you sure you're not thinking of stats for functional indexes?
regards, tom lane