fche@redhat.com (Frank Ch. Eigler) writes:
> For a prepared statement, could the planner produce *several* plans,
> if it guesses great sensitivity to the parameter values? Then it
> could choose amongst them at run time.
We've discussed that in the past. "Choose at runtime" is a bit more
easily said than done though --- you can't readily flip between plan
choices part way through, if you've already emitted some result rows.
regards, tom lane