Re: allow disabling indexscans without disabling bitmapscans

2020-01-04 Thread Justin Pryzby
On Sat, Jan 04, 2020 at 10:50:47AM -0600, Justin Pryzby wrote: > > Doesn't enable_indexscan=off accomplish this already? It is possible but > > not terribly likely to switch from index to seq, rather than from index to > > bitmap. (Unless the index scan was being used to obtain an ordered result,

allow disabling indexscans without disabling bitmapscans

2020-01-04 Thread Justin Pryzby
Moving to -hackers I was asking about how to distinguish the index cost component of an indexscan from the cost of heap. https://www.postgresql.org/message-id/20200103141427.GK12066%40telsasoft.com On Fri, Jan 03, 2020 at 09:33:35AM -0500, Jeff Janes wrote: > > It would help to be able to set ena