On 15.06.2017 17:43, Seamus Abshere wrote:
> Theoretically, could support be added for Index-only scans on GIN
> indexes when only a COUNT() is requested?
Hi Seamus,
I am working on a patch that adds this possibility for GIN and any other
indexes that support bitmap scans.
You can follow the development progress in this thread:
https://www.postgresql.org/message-id/flat/ca192322-29fd-9e60-3766-fe5e69d1f9af%40postgrespro(dot)ru#ca192322-29fd-9e60-3766-fe5e69d1f9af(at)postgrespro(dot)ru
--
Alexander Kuzmenkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company