presto-main/src/main/java/io/prestosql/operator/aggregation/state/LongDecimalWithOverflowAndLongStateFactory.java/GroupedLongDecimalWithOverflowAndLongState/setLong
class GroupedLongDecimalWithOverflowAndLongState:        @Override
        public void setLong(long value)
        {
            longs.set(getGroupId(), value);
        }