Method start

cpp/cdc/CDCDB.cpp:606–616

    }

    void start() {
        // We need this explicit check here because moving directories is more complicated,
        // and therefore we do it in another transaction type entirely.
        if (req.targetId.type() == InodeType::DIRECTORY) {
            env.finishWithError(TernError::TYPE_IS_NOT_DIRECTORY);
        } else if (req.oldOwnerId == req.newOwnerId) {
            env.finishWithError(TernError::SAME_DIRECTORIES);
        } else {
            lockOldEdge();
        }
    }

    void lockOldEdge(bool repeated = false) {
        auto& shardReq = env.needsShard(RENAME_FILE_LOCK_OLD_EDGE, req.oldOwnerId.shard(), repeated).setLockCurrentEdge();