Merge pull request #1813 from marinnedea/patch-1

Update functions.md
This commit is contained in:
Ivana Huckova
2024-07-30 11:25:55 +02:00
committed by GitHub

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@@ -397,6 +397,13 @@ Replace metric name using pattern. Pattern is regex or regular string. If regex
For more details see [String.prototype.replace()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace) function. For more details see [String.prototype.replace()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace) function.
**NOTE:** Other transforms in Grafana Dashboard, like ["Join by label"](https://grafana.com/docs/grafana/latest/panels-visualizations/query-transform-data/transform-data/#join-by-labels) will overwrite the alias functions.
This will happen because the Grafana Dashboard transforms will be applied on the raw data returned by a query.
If such issues arise, you can always use other Dashboard transforms, like:
* [Rename by regex](https://grafana.com/docs/grafana/latest/panels-visualizations/query-transform-data/transform-data/#rename-by-regex) for fields names
* [Value mappings > Regex ](https://grafana.com/docs/grafana/latest/panels-visualizations/configure-value-mappings/#regex) for cell values
Examples: Examples:
```sh ```sh