Note
This view is introduced since OceanBase Database V4.0.0.
Purpose
The V$OB_PS_ITEM_INFO view displays the monitoring information about prepared statements, including the basic information about all prepared statements in the PS cache.
Columns
Column |
Type |
Nullable? |
Description |
|---|---|---|---|
| SVR_IP | VARCHAR2(46) | NO | The IP address of the OBServer node. |
| SVR_PORT | NUMBER(38) | NO | The port number of the OBServer node. |
| STMT_ID | NUMBER(38) | NO | The ID of the corresponding statement in the PS cache. |
| DB_ID | NUMBER(38) | NO | The database ID in the prepared statement. |
| PS_SQL | CLOB | NO | The SQL information about the prepared statement. |
| PARAM_COUNT | NUMBER(38) | NO | The number of parameters in the prepared statement. |
| STMT_ITEM_REF_COUNT | NUMBER(38) | NO | The reference count of stmt_item. |
| STMT_INFO_REF_COUNT | NUMBER(38) | NO | The reference count of stmt_info. |
| MEM_HOLD | NUMBER(38) | NO | The size of memory occupied by the prepared statement. |
| STMT_TYPE | NUMBER(38) | NO | The type of the prepared statement. |
| CHECKSUM | NUMBER(38) | NO | The checksum of the prepared statement. |
| EXPIRED | NUMBER(38) | NO | Indicates whether the prepared statement has expired. |