Tom Lane e6dd664d0d Docs: create some user-facing documentation about index-only scans.
We didn't have any real user documentation about how index-only scans
work or how to design indexes to exploit them.  Remedy that.
Per gripe from David Johnston.
2016-05-08 16:36:19 -04:00
..
2015-06-30 14:01:15 -04:00