presto-main/src/main/java/io/prestosql/cost/ComparisonStatsCalculator.java/ComparisonStatsCalculator/estimateExpressionLessThanLiteral
class ComparisonStatsCalculator:    private static PlanNodeStatsEstimate estimateExpressionLessThanLiteral(
            PlanNodeStatsEstimate inputStatistics,
            SymbolStatsEstimate expressionStatistics,
            Optional<Symbol> expressionSymbol,
            OptionalDouble literalValue)
    {
        StatisticRange filterRange = new StatisticRange(NEGATIVE_INFINITY, literalValue.orElse(POSITIVE_INFINITY), NaN);
        return estimateFilterRange(inputStatistics, expressionStatistics, expressionSymbol, filterRange);
    }