Method checkpoint

src/transaction/transaction_manager.cpp:198–206

}

void TransactionManager::checkpoint(main::ClientContext& clientContext) {
    if (clientContext.isInMemory()) {
        return;
    }
    // Use the dedicated checkpoint mutex so active writers can still commit/rollback
    // during the drain phase.
    std::unique_lock checkpointLck{mtxForCheckpoint};
    checkpointNoLock(clientContext);
}

TransactionManager* TransactionManager::Get(const main::ClientContext& context) {
    if (context.getAttachedDatabase() != nullptr) {