QueryMonitor は、CData Virtuality で実行されたクエリをログします。ただし、システムテーブルまたはビューのみを含むクエリは除きます。
クエリは以下のいずれかのStateになります:
- アクティブなクエリで使用可能な状態:
State | Description |
---|---|
| The query runs in the CData Virtuality Server, generating the query plan. Queries are not sent to the data sources yet. The duration of this state is usually relatively short |
| The CData Virtuality Server is getting data from the sources. The query is running on the sources now. The duration of this state depends on the kind of query |
| All the data is in the CData Virtuality Server, but there are still open cursors (e.g. an SQL Editor tab in the CData Virtuality Studio is open and shows the result of the query), and so the request is, from a technical point of view, also still open |
- 終了したクエリで使用可能な状態:
State | Description |
---|---|
| All the data is in the CData Virtuality Server, no cursors are open, and the request is closed |
| An error occurred at some point. Please note that a query is marked as failed only if a problem occurs before the |
| The request has been cancelled at some point. This state will be set in one of the two cases:
|