Purpose
The GV$OB_PLAN_CACHE_PLAN_EXPLAIN view displays the physical execution plans cached in the plan caches of all OBServer nodes.
Note
This view is introduced since OceanBase Database V4.0.0.
Columns
Column |
Type |
Nullable? |
Description |
|---|---|---|---|
| TENANT_ID | bigint(20) | NO | The ID of the tenant. |
| SVR_IP | varchar(46) | NO | The IP address of the server. |
| SVR_PORT | bigint(20) | NO | The port number of the server. |
| PLAN_ID | bigint(20) | NO | The ID of the plan. |
| PLAN_DEPTH | bigint(20) | NO | The display depth of the operator. |
| PLAN_LINE_ID | bigint(20) | NO | The ID of the operator. |
| OPERATOR | varchar(128) | NO | The name of the operator. |
| NAME | varchar(256) | NO | The name of the table. |
| ROWS | bigint(20) | NO | The estimated number of rows in the result. |
| COST | bigint(20) | NO | The estimated cost. |
| PROPERTY | varchar(4096) | NO | The information about the corresponding operator. |
Note
This view supports only GET operations. To query information in this view, you must specify the SVR_IP, SVR_PORT, TENANT_ID, and PLAN_ID columns.