Method createPart

src/MergeTreeCommon/MergeTreeMetaBase.cpp:881–910

MergeTreeMetaBase::MutableDataPartPtr MergeTreeMetaBase::createPart(
    const String & name,
    MergeTreeDataPartType type,
    const MergeTreePartInfo & part_info,
    const VolumePtr & volume,
    const String & relative_path,
    const IMergeTreeDataPart * parent_part,
    StorageLocation location) const
{
    switch (type.getValue())
    {
        case MergeTreeDataPartType::COMPACT:
            return std::make_shared<MergeTreeDataPartCompact>(*this, name, part_info, volume, relative_path, parent_part, location);
        case MergeTreeDataPartType::WIDE:
            return std::make_shared<MergeTreeDataPartWide>(*this, name, part_info, volume, relative_path, parent_part, location);
        case MergeTreeDataPartType::IN_MEMORY:
            return std::make_shared<MergeTreeDataPartInMemory>(*this, name, part_info, volume, relative_path, parent_part, location);
        case MergeTreeDataPartType::CNCH:
            if (location != StorageLocation::MAIN)
            {
                throw Exception("Create CNCH part in auxility storage is forbidden",
                    ErrorCodes::LOGICAL_ERROR);
            }
            return std::make_shared<MergeTreeDataPartCNCH>(*this, name, part_info, volume, relative_path, parent_part);
        case MergeTreeDataPartType::UNKNOWN:
            throw Exception("Unknown type of part " + relative_path, ErrorCodes::UNKNOWN_PART_TYPE);
    }

    __builtin_unreachable();
}

static MergeTreeDataPartType getPartTypeFromMarkExtension(const String & mrk_ext)
{