Re: Any way to favor index scans, but not bitmap index scans?

"Francisco Reyes" <lists@stringsutils.com> writes:
> So far in this data set almost every time bitmap scans are used the queries
> do worse, much worse. I had one extreme case where a sequential scan would
> finish in 20 minutes and the same query using bitmap scans would take over
> a day to finish.

That's fairly hard to believe.  Care to offer some details?

            regards, tom lane