Improve the CREATE POLICY documentation.

Dean Rasheed <dean.a.rasheed@gmail.com>

Commit: 4d5d08c1cd52add02bdfadc00854135a3b6c88f6
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Date: 2017-09-27T16:13:37Z
Releases: 10.0
Improve the CREATE POLICY documentation.

Provide a correct description of how multiple policies are combined,
clarify when SELECT permissions are required, mention SELECT FOR
UPDATE/SHARE, and do some other more minor tidying up.

Reviewed by Stephen Frost

Discussion: https://postgr.es/m/CAEZATCVrxyYbOFU8XbGHicz%2BmXPYzw%3DhfNL2XTphDt-53TomQQ%40mail.gmail.com

Back-patch to 9.5.

Files

PathChange+/−
doc/src/sgml/ref/create_policy.sgml modified +134 −72

Documentation touched