Function execFunc

src/function/utility/coalesce.cpp:28–47

}

static void execFunc(const std::vector<std::shared_ptr<common::ValueVector>>& params,
    const std::vector<common::SelectionVector*>& paramSelVectors, common::ValueVector& result,
    common::SelectionVector* resultSelVector, void* /*dataPtr*/) {
    result.resetAuxiliaryBuffer();
    for (auto i = 0u; i < resultSelVector->getSelSize(); ++i) {
        auto resultPos = (*resultSelVector)[i];
        auto isNull = true;
        for (size_t i = 0; i < params.size(); ++i) {
            const auto& param = *params[i];
            const auto& paramSelVector = *paramSelVectors[i];
            auto paramPos = param.state->isFlat() ? paramSelVector[0] : resultPos;
            if (!param.isNull(paramPos)) {
                result.copyFromVectorData(resultPos, &param, paramPos);
                isNull = false;
                break;
            }
        }
        result.setNull(resultPos, isNull);
    }
}

static bool selectFunc(const std::vector<std::shared_ptr<ValueVector>>& params,
    SelectionVector& selVector, void* /* dataPtr */) {