Feature
This view displays plan-level statistics about slow queries on all OBServer nodes. Each slow query has one row in this view. It also records the trace information of the plan.
Fields
| Field | Type | Nullable | Description |
|---|---|---|---|
| CON_ID | NUMBER | NO | The ID of the tenant. |
| REQUEST_ID | NUMBER(38) | NO | The ID of the request. |
| KEY | NUMBER | NO | The foreign key. It can be used for join query of virtual tables related to SQL_MONITOR. |
| STATUS | VARCHAR2(19) | NO | The status of the operator. Valid values: |
| SVR_IP | VARCHAR2(46) | NO | The IP address of the server on which the operator is located. |
| SVR_PORT | NUMBER(38) | NO | The port number of the server on which the operator is located. |
| TRACE_ID | VARCHAR2(64) | NO | The trace ID of the operator. |
| FIRST_REFRESH_TIME | DATE | NO | The time when the monitoring of the operator started. |
| LAST_REFRESH_TIME | DATE | NO | The time when the monitoring of the operator ended. |
| FIRST_CHANGE_TIME | DATE | NO | The time when the operator delivered the first row of data. |
| LAST_CHANGE_TIME | DATE | NO | The time when the operator delivered the last row of data. |
| REFRESH_COUNT | NUMBER | NO | The number of times the statistics data was refreshed. |
| SID | NUMBER | NO | The ID of the session. |
| PROCESS_NAME | VARCHAR2(5) | NO | The ID of the thread that executed the operator. |
| SQL_ID | VARCHAR2(13) | NO | The ID of the SQL statement. |
| SQL_EXEC_START | DATE | NO | The time when the execution of the SQL statement started. |
| SQL_EXEC_ID | NUMBER | NO | The ID of the SQL request execution. |
| SQL_PLAN_HASH_VALUE | NUMBER | NO | The hash value of the SQL plan. |
| SQL_CHILD_ADDRESS | RAW(8) | NO | The default value of this field is NULL. |
| PLAN_PARENT_ID | NUMBER | NO | The ID of the parent operator of the plan. |
| PLAN_LINE_ID | NUMBER | NO | The default value of this field is NULL. |
| PLAN_OPERATION | VARCHAR2(30) | NO | The name of the operator. |
| PLAN_OPTIONS | VARCHAR2(30) | NO | The default value of this field is NULL. |
| PLAN_OBJECT_OWNER | VARCHAR2(128) | NO | The default value of this field is NULL. |
| PLAN_OBJECT_NAME | VARCHAR2(128) | NO | The default value of this field is NULL. |
| PLAN_OBJECT_TYPE | VARCHAR2(80) | NO | The default value of this field is NULL. |
| PLAN_DEPTH | NUMBER | NO | The depth of the operator in the plan tree. |
| PLAN_POSITION | NUMBER | NO | The position of the operator among the operators that share the same parent operator. |
| PLAN_COST | NUMBER | NO | The cost of executing the operator. This value is calculated by the optimizer. |
| PLAN_CARDINALITY | NUMBER | NO | The number of rows that will be returned by the execution of the operator. This value is calculated by the optimizer. |
| PLAN_BYTES | NUMBER | NO | The number of bytes that will be returned by the execution of the operator. This value is calculated by the optimizer. |
| PLAN_TIME | NUMBER | NO | The estimated time that the execution of the operator will take. This value is calculated by the optimizer. |
| PLAN_PARTITION_START | VARCHAR2(256) | NO | The default value of this field is NULL. |
| PLAN_PARTITION_STOP | VARCHAR2(256) | NO | The default value of this field is NULL. |
| PLAN_CPU_COST | NUMBER | NO | The estimated CPU cost of executing the operator. This value is calculated by the optimizer. |
| PLAN_IO_COST | NUMBER | NO | The estimated I/O cost of executing the operator. This value is calculated by the optimizer. |
| PLAN_TEMP_SPACE | NUMBER | NO | The space that the operator is estimated to consume. This value is calculated by the optimizer. |
| STARTS | NUMBER | NO | The number of times the operator has been rescanned. |
| OUTPUT_ROWS | NUMBER | NO | The total number of rows returned from all the executions of the operator. |
| IO_INTERCONNECT_BYTES | NUMBER | NO | The number of bytes exchanged between the operator and the storage layer. |
| PHYSICAL_READ_REQUESTS | NUMBER | NO | The total number of I/O read requests sent by the operator. |
| PHYSICAL_READ_BYTES | NUMBER | NO | The total number of bytes in the I/O read requests sent by the operator. |
| PHYSICAL_WRITE_REQUESTS | NUMBER | NO | The total number of I/O write requests sent by the operator. |
| PHYSICAL_WRITE_BYTES | NUMBER | NO | The total number of bytes in the I/O write requests sent by the operator. |
| WORKAREA_MEM | NUMBER | NO | The size of the workarea that the operator occupies in the memory. |
| WORKAREA_MAX_MEM | NUMBER | NO | The maximum size of the workarea that the operator can occupy in the memory. |
| WORKAREA_TEMPSEG | NUMBER | NO | The dump space that the operator occupies on the disk. |
| WORKAREA_MAX_TEMPSEG | NUMBER | NO | The maximum size of the dump space that the operator can occupy on the disk. |
| OTHERSTAT_GROUP_ID | NUMBER | NO | The default value of this field is NULL. |
| OTHERSTAT_1_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_1_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_1_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_2_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_2_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_2_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_3_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_3_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_3_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_4_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_4_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_4_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_5_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_5_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_5_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_6_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_6_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_6_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_7_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_7_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_7_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_8_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_8_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_8_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_9_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_9_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_9_VALUE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_10_ID | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_10_TYPE | NUMBER | NO | Reserved for future use. |
| OTHERSTAT_10_VALUE | NUMBER | NO | Reserved for future use. |
| OTHER_XML | VARCHAR2(1) | NO | Other structured data that needs to be provided to the outside but cannot be written to the existing fields. The data in this field is parsed by external tools. |
| PLAN_OPERATION_INACTIVE | NUMBER | NO | The default value of this field is NULL. |
| OUTPUT_BATCHES | NUMBER(38) | NO | The number of times that the operator calls the get_next_batch interface in vectorized mode. |
| SKIPPED_ROWS_COUNT | NUMBER(38) | NO | The total number of rows that do not need to be calculated during operator calculation in vectorized mode. It is the total number of rows skipped. |
| DB_TIME | NUMBER(38) | NO | The CPU time consumed by the operator. |
| USER_IO_WAIT_TIME | NUMBER(38) | NO | The total amount of time spent on waiting for events of the user_io class. |
| OTHER_WAIT_TIME | NULL | NO | The total amount of time spent on waiting for other events. |
