On Tue, Jun 22, 2021 at 4:25 AM Justin Pryzby <pry...@telsasoft.com> wrote: > > On Mon, Jun 21, 2021 at 02:08:12PM +0100, Simon Riggs wrote: > > New chapter for Hash Indexes, designed to help users understand how > > they work and when to use them. > > > > Mostly newly written, but a few paras lifted from README when they were > > helpful. > > .. > + the column value also makes all hash index scans lossy. Hash indexes may > + take part in bitmap index scans and backward scans. > > Isn't it more correct to say that it must use a bitmap scan? >
Why? Hash indexes do support regular index scan. -- With Regards, Amit Kapila.
