private Predicate toPredicate()

in src/main/java/org/apache/paimon/trino/TrinoFilterConverter.java [216:248]

• 29 lines of code
• 6 McCabe index (conditional complexity)

    private Predicate toPredicate(int columnIndex, Range range) {
        Type type = range.getType();

        if (range.isSingleValue()) {
            Object value = getLiteralValue(type, range.getSingleValue());
            return builder.equal(columnIndex, value);
        }

        List<Predicate> conjuncts = new ArrayList<>(2);
        if (!range.isLowUnbounded()) {
            Object low = getLiteralValue(type, range.getLowBoundedValue());
            Predicate lowBound;
            if (range.isLowInclusive()) {
                lowBound = builder.greaterOrEqual(columnIndex, low);
            } else {
                lowBound = builder.greaterThan(columnIndex, low);
            }
            conjuncts.add(lowBound);
        }

        if (!range.isHighUnbounded()) {
            Object high = getLiteralValue(type, range.getHighBoundedValue());
            Predicate highBound;
            if (range.isHighInclusive()) {
                highBound = builder.lessOrEqual(columnIndex, high);
            } else {
                highBound = builder.lessThan(columnIndex, high);
            }
            conjuncts.add(highBound);
        }

        return and(conjuncts);
    }