Also, DISTINCT clauses cannot be used with TEXT/BINARY columns
on MSSQL and Oracle.
* @param $limitfrom - number of records to skip (offset)
* @param $limitnum - number of records to fetch
*/
-function get_users_by_capability($context, $capability, $fields='distinct u.*', $sort='', $limitfrom='', $limitnum='') {
+function get_users_by_capability($context, $capability, $fields='u.*', $sort='', $limitfrom='', $limitnum='') {
global $CFG;