/*
 * Copyright (C) 2017 Dgraph Labs, Inc. and Contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package worker

import "github.com/dgraph-io/dgraph/types"

func CouldApplyAggregatorOn(agrtr string, typ types.TypeID) bool {
	if !typ.IsScalar() {
		return false
	}
	switch agrtr {
	case "min", "max":
		return (typ == types.IntID ||
			typ == types.FloatID ||
			typ == types.DateTimeID ||
			typ == types.StringID ||
			typ == types.DefaultID)
	case "sum", "avg":
		return (typ == types.IntID ||
			typ == types.FloatID)
	default:
		return false
	}
}
