ORACLE提供了DBMS_APPLICATION_INFO包,其中提供了set_client_info、set_module、set_action、read_module、read_client_info、set_session_longops几个过程,其中分别用于设置客户端信息、设置module信息(这里同时必须设置一个action信息)、设置action信息、读取module信息(同时也会得到action信息)、读取client_info信息和手动设置一个会话为longops。
下面来看一个示例:
Connected to Oracle Database 10g Enterprise Edition Release 10.2.0.2.0
Connected as SYS
SQL> select distinct sid from v$mystat;
SID
----------
1036
SQL> select module,action,client_info from v$session where sid=1036;
MODULE ACTION CLIENT_INFO
------------------------------------------------ -------------------------------- ----------------------------------------------------------------
PL/SQL Developer Command Window - New
可以看到CLIENT_INFO为空。
SQL> exec dbms_application_info.set_client_info('test client info');
PL/SQL procedure successfully completed
SQL> select module,action,client_info from v$session where sid=1036;
MODULE ACTION CLIENT_INFO
------------------------------------------------ -------------------------------- ----------------------------------------------------------------
PL/SQL Developer Command Window - New test client info
设置后的CLIENT_INFO
SQL> exec dbms_application_info.set_module(module_name => 'test module',action_name => 'test action');
PL/SQL procedure successfully completed
SQL> select module,action,client_info from v$session where sid=1036;
MODULE ACTION CLIENT_INFO
------------------------------------------------ -------------------------------- ----------------------------------------------------------------
test module test action test client info
设置后的MODULE和ACTION
详细的解释请参考oracle的说明,在oracle的package的说明中就有详细的解释。
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