On Sat, Oct 12, 2019 at 04:39:56PM +0200, Ivan Voras wrote: > With seqscan disabled, I get this plan on 9.6: > Bitmap Heap Scan on friend (cost=8.42..19.01 rows=14 width=8) ... > I expected to get an index-only scan in this situation, as that would be a > very common query. Is there a way to actually make this sort of query > resolvable with an index-only scan? Maybe a different table structure would > help?
The v11 release notes have this relevant item: https://www.postgresql.org/docs/11/release-11.html |Allow bitmap scans to perform index-only scans when possible (Alexander Kuzmenkov) Justin
