DbTxn::id()
Prev | Chapter 13. The DbTxn Handle | Next

## DbTxn::id()

    #include <db_cxx.h>

    u_int32_t
    DbTxn::id();

The `DbTxn::id()` method returns the unique transaction id associated with the specified transaction. Locking calls made on behalf of this transaction should use the value returned from `DbTxn::id()` as the locker parameter to the DbEnv::lock_get() or DbEnv::lock_vec() calls.

### Class

DbEnv, DbTxn

### See Also

Transaction Subsystem and Related Methods

Prev | Up | Next
DbTxn::get_name() | Home | DbTxn::prepare()