ob_proxy_global_variables_version specifies the latest version information of global variables returned by the OBServer node to ODP. This variable is for internal communication between the OBServer node and ODP.
| Attribute | Description |
|---|---|
| Type | int |
| Default value | 0 |
| Value range | [0, INT64_MAX) |
| Applicable scope | Session |
| Modifiable? | You can set the variable when you create a tenant. After the tenant is created, you cannot modify the variable by executing SQL statements. For more information, see Set variables. |
| Visible? | No |
The following example shows how to use the SELECT statement to return the latest version of global variables:
obclient> SELECT @@ob_proxy_global_variables_version;