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DBA_OB_TASK_OPT_STAT_GATHER_HISTORY
更新时间:2026-02-10 14:46:48
说明
该视图从 V4.2.0 版本开始引入。
功能描述
展示当前租户历史收集任务的执行情况。
字段说明
| 字段 | 类型 | 是否为 NULL | 描述 |
|---|---|---|---|
| TENANT_ID | NUMBER | NO | 收集任务所在租户 ID |
| TASK_ID | VARCHAR2(36) | NO | 收集任务 ID(UUID生成,全局唯一) |
| TYPE | VARCHAR2(16) | NO | 收集任务类型 |
| STATUS | VARCHAR2(8) | NO | 收集任务状态
|
| TASK_TABLE_COUNT | NUMBER | YES | 收集任务需要收集的表个数 |
| FAILED_COUNT | NUMBER | YES | 收集任务收集失败的表个数 |
| TASK_START_TIME | TIMESTAMP(6) | NO | 收集任务开始的时间 |
| TASK_END_TIME | TIMESTAMP(6) | NO | 收集任务结束的时间 |
查询示例
用户租户下,查询本租户历史收集任务的执行情况。
obclient> SELECT * FROM SYS.DBA_OB_TASK_OPT_STAT_GATHER_HISTORY;
查询结果如下:
+-----------+--------------------------------------+---------------+---------+-------------+--------------+----------------------------+----------------------------+
| TENANT_ID | TASK_ID | TYPE | STATUS | TABLE_COUNT | FAILED_COUNT | START_TIME | END_TIME |
+-----------+--------------------------------------+---------------+---------+-------------+--------------+----------------------------+----------------------------+
| 1006 | 12551575-1a73-11ee-97fa-0eac862eb0b0 | AUTO GATHER | SUCCESS | 28 | 0 | 2023-07-04 22:00:00.669344 | 2023-07-04 22:00:06.636230 |
| 1006 | 32163b43-1bc9-11ee-a7ea-52583362494c | MANUAL GATHER | SUCCESS | 1 | 0 | 2023-07-06 14:49:03.775825 | 2023-07-06 14:49:05.729871 |
| 1006 | 44783d8c-1b3c-11ee-8ac6-d28f59026246 | AUTO GATHER | SUCCESS | 19 | 0 | 2023-07-05 22:00:00.767591 | 2023-07-05 22:00:22.035235 |
| 1006 | a1487d0e-185a-11ee-8ac6-d28f59026246 | AUTO GATHER | SUCCESS | 304 | 0 | 2023-07-02 06:00:00.673996 | 2023-07-02 06:00:29.273704 |
| 1006 | c921f339-1bc8-11ee-a7ea-52583362494c | MANUAL GATHER | SUCCESS | 1 | 0 | 2023-07-06 14:46:07.691856 | 2023-07-06 14:46:09.712585 |
| 1006 | db64f8b8-1bc5-11ee-a7ea-52583362494c | MANUAL GATHER | SUCCESS | 1 | 0 | 2023-07-06 14:25:09.839887 | 2023-07-06 14:25:12.686117 |
| 1006 | e7dc9678-19a9-11ee-95a7-2646ab385e11 | AUTO GATHER | SUCCESS | 23 | 0 | 2023-07-03 22:00:00.596163 | 2023-07-03 22:00:05.079117 |
+-----------+--------------------------------------+---------------+---------+-------------+--------------+----------------------------+----------------------------+
7 rows in set
相关视图或文档
查看表级历史统计信息的收集状态:DBA_OB_TABLE_OPT_STAT_GATHER_HISTORY
有关统计信息收集监控诊断的详细介绍,参见 统计信息收集监控诊断。