}
@Override
protected RelOptPlanner createPlanner() {
final RelOptPlanner planner = super.createPlanner();
planner.addRule(EnumerableDrillRule.getInstance(driver == null ? null : driver.getClient()));
// Enable when https://issues.apache.org/jira/browse/DRILL-57 fixed
if (false) {
planner.addRule(DrillValuesRule.INSTANCE);
planner.removeRule(JavaRules.ENUMERABLE_VALUES_RULE);