Note
This view is available starting with OceanBase Database V4.3.5 BP3.
Purpose
The DBA_OB_VECTOR_INDEX_TASK_HISTORY view displays the historical information of vector index partition rebuild tasks in the current tenant.
Columns
| Column | Type | Nullable | Description | |
|---|---|---|---|---|
| TABLE_ID | bigint(20) | YES | The ID of the table. | |
| TABLET_ID | bigint(20) | YES | The ID of the partition. | |
| TASK_ID | bigint(20) | YES | The ID of the task. | |
| START_TIME | timestamp(6) | YES | The start time of the task. | |
| MODIFY_TIME | timestamp(6) | YES | The end time of the task. | |
| TRIGGER_TYPE | varchar(16) | NO | The type of the task trigger. Valid values:
|
|
| STATUS | varchar(16) | NO | The status of the task. Valid values:
|
|
| TASK_TYPE | bigint(20) | NO | The type of the task. Valid values:
|
|
| TASK_SCN | bigint(20) | NO | The version number of the task. | |
| RET_CODE | bigint(20) | NO | The status of the task at the end. Valid values:
|
|
| TRACE_ID | varchar(512) | NO | The trace ID of the task. |
Sample query
In the sys tenant, query the vector index performance optimization tasks of all tenants.
SELECT * FROM oceanbase.DBA_OB_VECTOR_INDEX_TASK_HISTORY;
The query result is as follows:
+----------+---------------------+---------+----------------------------+----------------------------+--------------+----------+-----------+------------------+----------+------------------------------------+
| TABLE_ID | TABLET_ID | TASK_ID | START_TIME | MODIFY_TIME | TRIGGER_TYPE | STATUS | TASK_TYPE | TASK_SCN | RET_CODE | TRACE_ID |
+----------+---------------------+---------+----------------------------+----------------------------+--------------+----------+-----------+------------------+----------+------------------------------------+
| 500009 | 1152921504606846980 | 20332 | 1970-08-23 17:08:27.174915 | 1970-08-23 17:08:27.174925 | AUTO | FINISHED | 1 | 1746611355009627 | 0 | Y61460BA2DAD8-000634872C0CED50-0-1 |
| 500017 | 1152921504606846987 | 22023 | 1970-08-23 17:08:27.175705 | 1970-08-23 17:08:27.175845 | AUTO | FINISHED | 1 | 1746611825281271 | 0 | Y61460BA2DAD8-000634872BECF00C-0-1 |
+----------+---------------------+---------+----------------------------+----------------------------+--------------+----------+-----------+------------------+----------+------------------------------------+
2 rows in set