Note
This variable is available starting with V1.4.
Description
ob_log_level specifies the log level for the current session. If you do not specify a log level, the system log level is used.
Privilege requirements
Query variables
Global level
systenants and all user tenants can execute theSHOW VARIABLESstatement or query theSYS.TENANT_VIRTUAL_GLOBAL_VARIABLEview (Oracle mode) or theinformation_schema.GLOBAL_VARIABLESview (MySQL mode) to view the value of global system variables.Session level
systenants and all user tenants can execute theSHOW VARIABLESstatement or query theSYS.TENANT_VIRTUAL_SESSION_VARIABLEview (Oracle mode) or theinformation_schema.SESSION_VARIABLESview (MySQL mode) to view the value of session system variables.
Modify variables
Global level
systenants can directly modify the value of global system variables.MySQL user tenants must have the
SUPERorALTER SYSTEMprivilege to modify the value of global system variables.Oracle user tenants must have the
ALTER SYSTEMprivilege to modify the value of global system variables.
Session level
systenants and all user tenants can directly modify the value of session system variables.
Attributes
| Attribute | Description |
|---|---|
| Type | Varchar |
| Default value | disabled, which indicates that the session log level is disabled. |
| Value range |
|
| Scope |
|
| Modifiable | Yes. You can execute the SET statement to modify the value. |
Usage notes
If ob_log_level is set to disabled, the system global log level is used. The global log level is controlled by the syslog_level parameter.
Examples
Set the session log level to INFO.
Session level
obclient> SET ob_log_level ='INFO';Global level
obclient> SET GLOBAL ob_log_level ='INFO';
References
For more information about system logs, see Overview of logs