Purpose
The GV$OB_PX_WORKER_STAT view displays the execution information about each PX worker thread in parallel execution.
Note
This view is introduced since OceanBase Database V4.0.0.
Columns
Column |
Type |
Nullable? |
Description |
|---|---|---|---|
| SESSION_ID | bigint(20) | NO | The ID of the session. |
| 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. |
| TRACE_ID | varchar(128) | NO | The trace ID of the SQL statement. |
| QC_ID | bigint(20) | NO | The query coordinator (QC) ID in parallel execution. |
| SQC_ID | bigint(20) | NO | The sub query coordinator (SQC) ID in parallel execution. |
| WORKER_ID | bigint(20) | NO | The thread ID. |
| DFO_ID | bigint(20) | NO | The data flow operator (DFO) ID in parallel execution. |
| START_TIME | timestamp(6) | NO | The time when the thread started to run. |