Known Issues
Note: This is the developer preview release of the VizQL Data Service. This release is intended to offer developers early access to unreleased features.
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The following are known issues in the developer preview of VizQL Data Service (VDS).
- If you modify the data source in Tableau Cloud, you might not see the changes in your VDS response right away. Also, there’s no way to clear the cache.
- Querying bins returns the wrong data (like Profit (bins) ) field.
- VDS doesn’t support data sources that require multiple embedded credentials.
- You must use the official field name returned from the metadata-api for custom calculations. Referring to them as their given alias doesn’t work. For example, in Superstore Datasource, the
Profit Ratio field must be referred to as Calculation_1368249927221915648.
- A repeated column returns incorrect data.