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oceanbase.DBA_SQL_PLAN_BASELINES
更新时间:2026-07-15 20:42:47
说明
该视图从 V4.0.0 版本开始引入。
功能描述
展示当前租户的 SPM 中 SQL 的计划基线。
字段说明
| 字段名称 | 类型 | 是否可以为 NULL | 描述 |
|---|---|---|---|
| SIGNATURE | bigint(20) unsigned | NO | 由归一化的 SQL 产生的 SQL 唯一标识符 |
| SQL_HANDLE | varchar(32) | NO | 唯一的 SQL 文本 |
| SQL_TEXT | longtext | NO | 未归一化的 SQL 文本 |
| PLAN_NAME | varchar(128) | NO | 唯一的文本形式的计划标识符 |
| CREATOR | varchar(128) | NO | 创建这条计划基线的用户 |
| ORIGIN | varchar(29) | NO | 计划基线的创建方式:
|
| PARSING_SCHEMA_NAME | varchar(128) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
| DESCRIPTION | varchar(500) | YES | 计划基线的说明 |
| VERSION | varchar(256) | NO | 计划基线创建时的数据库版本 |
| CREATED | timestamp(6) | YES | 计划基线的创建时间 |
| LAST_MODIFIED | timestamp(6) | YES | 计划基线上次的修改时间 |
| LAST_EXECUTED | bigint(20) | NO | 计划基线上次的执行时间 |
| LAST_VERIFIED | bigint(20) | NO | 计划基线上次的验证时间 |
| ENABLED | varchar(3) | NO | 指示计划基线是否启用:
|
| ACCEPTED | varchar(3) | NO | 指示计划基线是否被采纳:
|
| FIXED | varchar(3) | NO | 指示计划基线是否固定:
|
| REPRODUCED | varchar(3) | NO | 指示计划基线是否可复现:
|
| AUTOPURGE | varchar(3) | NO | 指示计划基线是否自动清理:
|
| ADAPTIVE | varchar(3) | NO | 指示由 SPM 自动捕获的计划基线是否已适应:
|
| OPTIMIZER_COST | bigint(20) | NO | 计划基线创建时优化器估计的计划代价 |
| MODULE | varchar(64) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
| ACTION | varchar(64) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
| EXECUTIONS | bigint(20) | NO | 计划基线创建时计划的执行次数 |
| ELAPSED_TIME | bigint(20) | NO | 计划基线创建时计划的总耗时 |
| CPU_TIME | bigint(20) | NO | 计划基线创建时计划的总 CPU 时间 |
| BUFFER_GETS | bigint(0) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
| DISK_READS | bigint(0) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
| DIRECT_WRITES | bigint(0) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
| ROWS_PROCESSED | bigint(0) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
| FETCHES | bigint(0) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
| END_OF_FETCH_COUNT | bigint(0) | NO | 目前暂不支持该字段,且当前该字段默认为 NULL |
查询示例
查看当前租户的 SPM 中 SQL 的计划基线。
obclient[oceanbase]> SELECT * FROM oceanbase.DBA_SQL_PLAN_BASELINES\G
查询结果如下:
*************************** 1. row ***************************
SIGNATURE: 6055243608786114737
SQL_HANDLE: 7F31B924FE5B551C798869E33EA756E6
SQL_TEXT: SELECT * FROM oceanbase.DBA_OB_SPM_EVO_RESULT
PLAN_NAME: 6055243608786114737
CREATOR: oceanbase
ORIGIN: AUTO-CAPTURE
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.2.5.3
CREATED: 2025-04-28 11:47:03.099080
LAST_MODIFIED: 2025-04-28 11:47:03.099080
LAST_EXECUTED: 1745812023098177
LAST_VERIFIED: 1745812023098177
ENABLED: YES
ACCEPTED: YES
FIXED: NO
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 1
ELAPSED_TIME: 33980
CPU_TIME: 4010
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
*************************** 2. row ***************************
SIGNATURE: 17903725222469937441
SQL_HANDLE: BAD211D504FC6E9265F28CFB3CAEF7C9
SQL_TEXT: SELECT sql_handle,plan_name FROM oceanbase.DBA_SQL_PLAN_BASELINES
PLAN_NAME: 17903725222469937441
CREATOR: info
ORIGIN: AUTO-CAPTURE
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.2.5.3
CREATED: 2025-04-28 11:44:16.537033
LAST_MODIFIED: 2025-04-28 11:44:16.537033
LAST_EXECUTED: 1745811856535817
LAST_VERIFIED: 1745811856535817
ENABLED: YES
ACCEPTED: YES
FIXED: NO
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 1
ELAPSED_TIME: 12067
CPU_TIME: 239
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
*************************** 3. row ***************************
SIGNATURE: 12843576483891728377
SQL_HANDLE: C25B16E757E1DEF0EC45BCF0B758D69F
SQL_TEXT: SELECT * FROM t1 WHERE c1 > 1
PLAN_NAME: 12843576483891728377
CREATOR: info
ORIGIN: AUTO-CAPTURE
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.2.5.3
CREATED: 2025-04-28 11:44:09.870337
LAST_MODIFIED: 2025-04-28 11:44:09.870337
LAST_EXECUTED: 1745811849867388
LAST_VERIFIED: 1745811849867388
ENABLED: YES
ACCEPTED: YES
FIXED: NO
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 1
ELAPSED_TIME: 20769
CPU_TIME: 100
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
*************************** 4. row ***************************
SIGNATURE: 2205174570288151559
SQL_HANDLE: D6A97DD0EA1661D4A003AA4AA979B816
SQL_TEXT: SELECT SQL_ID, PLAN_HASH FROM oceanbase.GV$OB_PLAN_CACHE_PLAN_STAT WHERE QUERY_SQL LIKE '%SELECT * FROM test_table WHERE value = 100%'
PLAN_NAME: 2205174570288151559
CREATOR: info
ORIGIN: MANUAL-LOAD
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.2.5.3
CREATED: 2025-04-28 14:51:35.457988
LAST_MODIFIED: 2025-04-28 14:51:35.457988
LAST_EXECUTED: 1745821885403901
LAST_VERIFIED: 1745821885403901
ENABLED: YES
ACCEPTED: YES
FIXED: YES
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 1
ELAPSED_TIME: 33556
CPU_TIME: 33535
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
4 rows in set
相关视图或文档
查看当前租户的 SPM 中的配置参数:DBA_SQL_MANAGEMENT_CONFIG
查看当前租户的 SPM 计划演进信息:DBA_OB_SPM_EVO_RESULT
有关 SPM 演进机制的详细介绍及说明,参见 执行计划管理。