Method evaluate

src/expression_evaluator/case_evaluator.cpp:27–49

}

void CaseExpressionEvaluator::evaluate() {
    filledMask.reset();
    for (auto& alternativeEvaluator : alternativeEvaluators) {
        auto whenSelVector = alternativeEvaluator.whenSelVector.get();
        // the sel vector is already set to filtered in init()
        auto hasAtLeastOneValue = alternativeEvaluator.whenEvaluator->select(*whenSelVector, false);
        if (!hasAtLeastOneValue) {
            continue;
        }
        alternativeEvaluator.thenEvaluator->evaluate();
        auto thenVector = alternativeEvaluator.thenEvaluator->resultVector.get();
        if (alternativeEvaluator.whenEvaluator->isResultFlat()) {
            fillAll(thenVector);
        } else {
            fillSelected(*whenSelVector, thenVector);
        }
        if (filledMask.count() == resultVector->state->getSelVector().getSelSize()) {
            return;
        }
    }
    elseEvaluator->evaluate();
    fillAll(elseEvaluator->resultVector.get());
}

bool CaseExpressionEvaluator::selectInternal(SelectionVector& selVector) {
    evaluate();