io.prestosql.operator.aggregation.minmaxby.MaxByNAggregationFunction Maven / Gradle / Ivy

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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.prestosql.operator.aggregation.minmaxby;

import io.prestosql.type.BlockTypeOperators;

import static io.prestosql.util.MinMaxCompare.getMaxCompare;

public class MaxByNAggregationFunction
        extends AbstractMinMaxByNAggregationFunction
{
    private static final String NAME = "max_by";

    public MaxByNAggregationFunction(BlockTypeOperators blockTypeOperators)
    {
        super(NAME,
                type -> getMaxCompare(blockTypeOperators, type),
                "Returns the values of the first argument associated with the maximum values of the second argument");
    }
}