Method tryGetTableFromCache

src/Databases/DatabaseFilesystem.cpp:116–135

}

StoragePtr DatabaseFilesystem::tryGetTableFromCache(const std::string & name) const
{
    StoragePtr table = nullptr;
    {
        std::lock_guard lock(mutex);
        auto it = loaded_tables.find(name);
        if (it != loaded_tables.end())
            table = it->second;
    }

    /// Invalidate cache if file no longer exists.
    if (table && !fs::exists(getTablePath(name)))
    {
        std::lock_guard lock(mutex);
        loaded_tables.erase(name);
        return nullptr;
    }

    return table;
}

bool DatabaseFilesystem::isTableExist(const String & name, ContextPtr context_) const
{