Method hasUUIDMapping

src/Interpreters/DatabaseCatalog.cpp:992–998

}

bool DatabaseCatalog::hasUUIDMapping(const UUID & uuid)
{
    chassert(uuid != UUIDHelpers::Nil && getFirstLevelIdx(uuid) < uuid_map.size());
    UUIDToStorageMapPart & map_part = uuid_map[getFirstLevelIdx(uuid)];
    std::lock_guard lock{map_part.mutex};
    return map_part.map.contains(uuid);
}

std::unique_ptr<DatabaseCatalog> DatabaseCatalog::database_catalog;