MDL-59368 groups: Postgres fix
authorDamyon Wiese <damyon@moodle.com>
Fri, 7 Jul 2017 01:38:00 +0000 (09:38 +0800)
committerDamyon Wiese <damyon@moodle.com>
Wed, 12 Jul 2017 02:07:58 +0000 (10:07 +0800)
commitf746a078cb0bc0131596b2b1e3a2495bb0654732
treee2c6001edd93c4769aece7c692e5c5147ae8f320
parent4aad7c2be2f48fe6fdbcc7971f6df225986154ee
MDL-59368 groups: Postgres fix

Postgres is strict about mixing types.
lib/grouplib.php