presto-main/src/main/java/io/prestosql/operator/aggregation/DoubleCorrelationAggregation.java/DoubleCorrelationAggregation/input
class DoubleCorrelationAggregation:    @InputFunction
    public static void input(@AggregationState CorrelationState state, @SqlType(StandardTypes.DOUBLE) double dependentValue, @SqlType(StandardTypes.DOUBLE) double independentValue)
    {
        updateCorrelationState(state, independentValue, dependentValue);
    }