"David E. Wheeler" <david(at)kineticode(dot)com> writes:
> From what depesz sees, the eqsel and eqjoinsel functions might be a
> bit too aggressive in recommending the use of indexes.
He presented absolutely 0 evidence to back up that opinion.
> So I was wondering, since in CVS HEAD citext is able to identify its
> type category as string, might there also be some way to use the same
> estimator functions in the citext operators as are used for text?
Those are the same estimator functions.
regards, tom lane