Note
This view is available starting with V4.3.0.
Purpose
The GV$OB_SESSION view records session information created in all servers.
Columns
Column |
Type |
Nullable |
Description |
|---|---|---|---|
| ID | bigint(20) unsigned | NO | For V4.3.x:
|
| USER | varchar(32) | NO | The user to which the session belongs. |
| TENANT | varchar(128) | NO | The name of the tenant to which the session belongs. |
| HOST | varchar(128) | NO | 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) | YES | The name of the database to which the session is connected. |
| COMMAND | varchar(4096) | NO | The command being executed by the session. |
| SQL_ID | varchar(32) | NO | The SQL ID. |
| TIME | bigint(21) | NO | The time when the current command is executed, in seconds. If the command is retried, this column is reset to 0 and recalculated. |
| STATE | varchar(128) | YES | The current state of the session. |
| INFO | varchar(262143) | YES | The statement being executed by the session. |
| SVR_IP | varchar(46) | NO | The IP address of the server. |
| SVR_PORT | bigint(20) | NO | The RPC port number of the server. |
| SQL_PORT | bigint(20) | NO | The SQL port number of the server. |
| PROXY_SESSID | bigint(20) unsigned | YES | If the current client is ODP, this column indicates the session ID of ODP. |
| USER_CLIENT_IP | varchar(46) | YES | The IP address of the user client. |
| USER_HOST | varchar(128) | YES | The host name of the user client. |
| TRANS_ID | bigint(20) unsigned | NO | The transaction ID. |
| THREAD_ID | bigint(20) unsigned | NO | The thread ID. |
| TRACE_ID | varchar(64) | YES | The trace ID. |
| REF_COUNT | bigint(20) | NO | The connection reference count. |
| BACKTRACE | varchar(16384) | YES | The connection reference call stack. |
| TRANS_STATE | varchar(32) | YES | The transaction state. If no transaction is associated with the session, this column is empty.
|
| USER_CLIENT_PORT | bigint(20) | NO | The port number of the user client
NoteFor V4.4.x, this column is available starting with V4.4.0. |
| TOTAL_CPU_TIME | bigint(21) | NO | The CPU usage time of the current command, in seconds |
Sample query
Query the session information created in all servers.
obclient [oceanbase]> SELECT * FROM oceanbase.GV$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