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Expressions: Add support for variables (#41778)

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Todd Treece
2022-02-17 10:50:22 -05:00
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parent 42e547d27f
commit c8bb01d1ad
3 changed files with 71 additions and 4 deletions
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docs/sources/panels/query-a-data-source/use-expressions-to-manipulate-data/about-expressions.md
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@ -16,8 +16,6 @@ Expressions are primarily used by the new [Grafana 8 alerts]({{< relref "../../.
> **Note:** Expressions do not work with legacy dashboard alerts.
> **Note:** Expressions do not work with dashboard variables.
Expressions are meant to augment data sources by enabling queries from different data sources to be combined or by providing operations unavailable in a data source.
> **Note:** When possible, you should do data processing inside the data source. Copying data from storage to the Grafana server for processing is inefficient, so expressions are targeted at lightweight data processing.