Berkeley DB

Frequently Asked Questions

1. Does converting an application to run within XA change any of the already existing C/C++ API calls it does?

   When converting an application to run under XA, the application’s Berkeley DB calls are unchanged, with two exceptions:

   • The application must use specify the DB_XA_CREATE flag to the db_create interface.

   • The application should never explicitly call txn_commit, txn_abort, or txn_begin because those calls are replaced by calls into the Tuxedo transaction manager. For the same reason, the application will always specify a transaction argument of NULL to the Berkeley DB functions that take transaction arguments (for example, DB→put or DB→cursor).

     Otherwise, your application should be unchanged.

2. Is it possible to mix XA ...