Contains information about all streams, delta streams, and windows.
| Column | Type | Description |
|---|---|---|
| user_name | string | Hardcoded as "user". |
| stream_name | string | The name of the stream described by this row. |
| handle | long | The stream's numeric ID. |
| type | string | The type of the stream: "stream", "deltastream", "window", or "metadata". |
| visibility | string | The visibility of the stream: "input", "output", "local", or "intermediate". |
| target | string | The name of the target stream for streams with "intermediate" visibility value. For streams with all other visibility values, target is the same as the stream_name column. |