Git commits in Moodle 3.3.5 by Matteo Scaramuccia

commit cf7979c6223189365e91e6b0543e4318f375a708
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Fri, 09 Mar 2018 06:27:25 +0800
Tag:    v3.3.5

MDL-61626 core_dml: pgsql and schema qualification.