print_error('withoutversion', 'debug'); // without version, stop
}
+/// Check DB prefix requirements are fulfilled
+ if (empty($CFG->prefix) && $DB->get_dbfamily() != 'mysql') { //Enforce prefixes for everybody but mysql
+ print_error('prefixcannotbeempty', 'debug', '', array($CFG->prefix, $CFG->dbtype));
+ }
+
+ if ($DB->get_dbfamily() == 'oracle' && strlen($CFG->prefix) > 2) { //Max prefix length for Oracle is 2cc
+ print_error('prefixlimit', 'debug', '', $CFG->prefix);
+ }
+
/// Check if the main tables have been installed yet or not.
if (!$tables = $DB->get_tables() ) { // No tables yet at all.
$maintables = false;