Function getTypedMinMax

src/storage/compression/compression.cpp:34–54

template<typename T>
auto getTypedMinMax(std::span<const T> data, const NullMask* nullMask, uint64_t nullMaskOffset) {
    std::optional<StorageValue> min, max;
    DASSERT(data.size() > 0);
    if (!nullMask || nullMask->hasNoNullsGuarantee()) {
        auto [minRaw, maxRaw] = std::minmax_element(data.begin(), data.end());
        min = StorageValue(*minRaw);
        max = StorageValue(*maxRaw);
    } else {
        for (uint64_t i = 0; i < data.size(); i++) {
            if (!nullMask->isNull(nullMaskOffset + i)) {
                if (!min || data[i] < min->get<T>()) {
                    min = StorageValue(data[i]);
                }
                if (!max || data[i] > max->get<T>()) {
                    max = StorageValue(data[i]);
                }
            }
        }
    }
    return std::make_pair(min, max);
}

uint32_t getDataTypeSizeInChunk(const common::LogicalType& dataType) {
    return getDataTypeSizeInChunk(dataType.getPhysicalType());