presto-main/src/main/java/io/prestosql/operator/aggregation/DecimalAverageAggregation.java/DecimalAverageAggregation/inputLongDecimal
class DecimalAverageAggregation:    public static void inputLongDecimal(Type type, LongDecimalWithOverflowAndLongState state, Block block, int position)
    {
        accumulateValueInState(type.getSlice(block, position), state);
    }