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DB_ENV->set_verbose |
#include <db.h>int DB_ENV->set_verbose(DB_ENV *dbenv, u_int32_t which, int onoff);
int DB_ENV->get_verbose(DB_ENV *dbenv, u_int32_t which, int *onoffp);
The DB_ENV->set_verbose method turns specific additional informational and debugging messages in the Berkeley DB message output on and off. To see the additional messages, verbose messages must also be configured for the application. For more information on verbose messages, see the DB->set_errfile method.
The database environment's messages may also be configured using the environment's DB_CONFIG file. The syntax of the entry in that file is a single line with the string "set_verbose", one or more whitespace characters, and the method which parameter as a string; for example, "set_verbose DB_VERB_RECOVERY". Because the DB_CONFIG file is read when the database environment is opened, it will silently overrule configuration done before that time.
The DB_ENV->set_verbose method configures operations performed using the specified DB_ENV handle, not all operations performed on the underlying database environment.
The DB_ENV->set_verbose method may be called at any time during the life of the application.
The DB_ENV->set_verbose method returns a non-zero error value on failure and 0 on success.
To get complete replication logging when debugging replication applications, you must also configure and build the Berkeley DB library with the --enable-diagnostic configuration option as well as call the DB_ENV->set_verbose method.
The DB_ENV->set_verbose method may fail and return one of the following non-zero errors:
The DB_ENV->get_verbose method returns whether the specified which parameter is currently set or not.
The DB_ENV->get_verbose method may be called at any time during the life of the application.
The DB_ENV->get_verbose method returns a non-zero error value on failure and 0 on success.
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