/*
 * 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 com.facebook.presto.operator.aggregation;

import com.facebook.presto.operator.aggregation.state.NullableLongState;
import com.facebook.presto.spi.block.BlockBuilder;
import com.facebook.presto.spi.type.BigintType;
import com.facebook.presto.spi.type.StandardTypes;
import com.facebook.presto.type.SqlType;

@AggregationFunction("sum")
public final class LongSumAggregation
{
    public static final InternalAggregationFunction LONG_SUM = new AggregationCompiler().generateAggregationFunction(LongSumAggregation.class);

    private LongSumAggregation() {}

    @InputFunction
    @IntermediateInputFunction
    public static void sum(NullableLongState state, @SqlType(StandardTypes.BIGINT) long value)
    {
        state.setNull(false);
        state.setLong(state.getLong() + value);
    }

    @OutputFunction(StandardTypes.BIGINT)
    public static void output(NullableLongState state, BlockBuilder out)
    {
        NullableLongState.write(BigintType.BIGINT, state, out);
    }
}

@@ -829,16 +829,65 @@
 dTypes;%0A
+import com.facebook.presto.type.BigintOperators;%0A
 import c
@@ -1373,16 +1373,36 @@
 setLong(
+BigintOperators.add(
 state.ge
@@ -1412,17 +1412,17 @@
 ng()
- +
+,
  value)
+)
 ;%0A  

Check for overflow in SUM aggregation for BIGINTs