[COMMITTERS] pgsql: Improve 9.6 release notes.

Improve 9.6 release notes. Incorporate some suggestions from David Johnston, and update through today. Branch -- master Details --- http://git.postgresql.org/pg/commitdiff/91fd1df4aad2141859310564b498a3e28055ee28 Modified Files -- doc/src/sgml/release-9.6.sgml | 37 +

[COMMITTERS] pgsql: Docs: create some user-facing documentation about index-only sca

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. Branch -- master Details --- http://git.postgresql.org/pg/

[COMMITTERS] pgsql: Wording quibbles regarding initdb username

Wording quibbles regarding initdb username Use disallowed instead of reserved, cannot instead of can not, and double quotes instead of single quotes. Also add a test to cover the bug which started this discussion. Per discussion with Tom. Branch -- master Details --- http://git.postgre

[COMMITTERS] pgsql: Disallow superuser names starting with 'pg_' in initdb

Disallow superuser names starting with 'pg_' in initdb As with CREATE ROLE, disallow users from specifying initial superuser names which begin with 'pg_' in initdb. Per discussion with Tom. Branch -- master Details --- http://git.postgresql.org/pg/commitdiff/7df974ee0bfd8978830b941e7af5