Developer credits
Git commits in Moodle 3.1.0 by Petr Skoda
commit 267ac1b9ebf04c5dbbc5e9b2307f321385241ee1 Author: Petr Skoda <petr.skoda@totaralms.com> Date: Tue, 15 Dec 2015 08:17:49 +0800 Tag: v3.1.0-beta MDL-52511 dml: add support for PostgreSQL 9.5