### DB_TXN->id

`

###

    #include <db.h>

    u_int32_t
    DB_TXN->id(DB_TXN *tid);

### Description: DB_TXN->id

The DB_TXN->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 DB_TXN->id as the locker parameter to the DB_ENV->lock_get or DB_ENV->lock_vec calls.

### Class

DB_ENV, DB_TXN

### See Also

Transaction Subsystem and Related Methods`

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