Method insert

src/Storages/MergeTree/DeleteBitmapCache.cpp:58–73

DeleteBitmapCache::~DeleteBitmapCache() = default;

void DeleteBitmapCache::insert(const String & key, UInt64 version, ImmutableDeleteBitmapPtr bitmap)
{
    if (bitmap == nullptr)
        throw Exception("bitmap is null", ErrorCodes::BAD_ARGUMENTS);

    /// TODO improve accuracy of memory usage estimation
    /// Currently we estimate the memory usage of the bitmap to be 2 bytes per elements,
    /// which may be underestimated for sparse bitmap and overestimated for dense bitmap.
    size_t charge = sizeof(CachedBitmap) + 2 * (bitmap->cardinality());
    CachedBitmap * value = new CachedBitmap(version, std::move(bitmap));
    auto * handle = cache->Insert(key, value, charge, &DeleteCachedBitmap);
    if (handle)
        cache->Release(handle);
    else
        delete value; /// insert failed
}

size_t DeleteBitmapCache::totalCharge()
{