Note
This view is available starting with V4.3.0.
Purpose
The V$OB_SESSION view records session information created in the current server.
Columns
| Column | Type | Nullable | Description |
|---|---|---|---|
| ID | bigint(20) unsigned | NO | For V4.3.x versions:
|
| USER | varchar(32) | NO | Indicates the user to which the session belongs. |
| TENANT | varchar(128) | NO | Indicates the name of the tenant being accessed. |
| HOST | varchar(128) | NO | Indicates the IP address and port number of the client that initiated the session. If the database is connected through ODP, this column indicates the IP address and port number of the ODP. |
| DB | varchar(128) | NO | Indicates the name of the database to which the session is currently connected. |
| COMMAND | varchar(4096) | NO | Indicates the command being executed by the session. |
| SQL_ID | varchar(32) | NO | Indicates the SQL ID. |
| TIME | bigint(21) | NO | Indicates the time when the current command is executed, in seconds. If the command is retried, this column is reset to zero. |
| STATE | varchar(128) | NO | Indicates the current state of the session. |
| INFO | varchar(262143) | NO | Indicates the statement being executed by the session. |
| SVR_IP | varchar(46) | NO | Indicates the IP address of the server. |
| SVR_PORT | bigint(20) | NO | Indicates the RPC port number of the server. |
| SQL_PORT | bigint(20) | NO | Indicates the SQL port number of the server. |
| PROXY_SESSID | bigint(20) unsigned | NO | If the current client is ODP, this column indicates the session ID of the ODP. |
| USER_CLIENT_IP | varchar(46) | NO | Indicates the IP address of the user client. |
| USER_HOST | varchar(128) | NO | Indicates the host name of the user client. |
| TRANS_ID | bigint(20) unsigned | NO | Indicates the transaction ID. |
| THREAD_ID | bigint(20) unsigned | NO | Indicates the thread ID. |
| TRACE_ID | varchar(64) | NO | Indicates the trace ID. |
| REF_COUNT | bigint(20) | NO | Indicates the connection reference count. |
| BACKTRACE | varchar(16384) | NO | Indicates the connection reference call stack. |
| TRANS_STATE | varchar(32) | NO | Indicates the transaction state (empty if no transaction exists on the session):
|
| USER_CLIENT_PORT | bigint(20) | NO | Indicates the port number of the user client
NoteFor V4.4.x versions, this column is available starting with V4.4.0. |
| TOTAL_CPU_TIME | bigint(21) | NO | Indicates the CPU time used to execute the current command, in seconds. |
Sample query
Query session information created in the current server.
obclient [oceanbase]> SELECT * FROM oceanbase.V$OB_SESSION limit 1\G
The query result is as follows:
*************************** 1. row ***************************
ID: 3221537799
USER: root
TENANT: mysql001
HOST: 100.xx.xxx.xxx:62434
DB: oceanbase
COMMAND: Query
SQL_ID: 9A973D26DFBCAD31C82BB47571C2E6CD
TIME: 0
STATE: ACTIVE
INFO: SELECT * FROM oceanbase.V$OB_SESSION limit 1
SVR_IP: 172.xx.xxx.xxx
SVR_PORT: 2882
SQL_PORT: 2881
PROXY_SESSID: NULL
USER_CLIENT_IP: 100.xx.xxx.xxx
USER_HOST: %
TRANS_ID: 0
THREAD_ID: 109604
TRACE_ID: YB4xxxxxxxxx-xxxxxxxxxx-0-0
REF_COUNT: 0
BACKTRACE:
TRANS_STATE:
USER_CLIENT_PORT: 62434
TOTAL_CPU_TIME: 0
1 row in set