Docs: initial pruning of outdated versioning info (#95212)
* initial pruning of outdated versioning info * removing erroneous file
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@@ -304,18 +304,12 @@ Grafana has global built-in variables that can be used in expressions in the que
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### $\_\_dashboard
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In Grafana 7.1, the variable changed from showing the UID of the current dashboard to the name of the current dashboard.
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This variable is the name of the current dashboard.
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### $\_\_from and $\_\_to
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Grafana has two built-in time range variables: `$__from` and `$__to`. They are currently always interpolated as epoch milliseconds by default, but you can control date formatting.
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{{% admonition type="note" %}}
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This special formatting syntax is only available in Grafana 7.1.2+
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{{% /admonition %}}
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| Syntax | Example result | Description |
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| ------------------------ | ------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `${__from}` | 1594671549254 | Unix millisecond epoch |
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@@ -639,10 +633,6 @@ demo.robustperception.io:9100
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### Filter and modify using named text and value capture groups
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{{% admonition type="note" %}}
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This feature is available in Grafana 7.4+.
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{{% /admonition %}}
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Using named capture groups, you can capture separate 'text' and 'value' parts from the options returned by the variable query. This allows the variable drop-down list to contain a friendly name for each value that can be selected.
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For example, when querying the `node_hwmon_chip_names` Prometheus metric, the `chip_name` is a lot friendlier than the `chip` value. So the following variable query result:
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@@ -46,10 +46,6 @@ In addition to [managing variables](#manage-variables), the **Variables** tab le
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The variables page lets you easily identify whether a variable is being referenced (or used) in other variables or dashboard. In addition, you can also [add](ref:add) and [manage variables](#manage-variables) on this page.
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{{% admonition type="note" %}}
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This feature is available in Grafana 7.4 and later versions.
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{{% /admonition %}}
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Any variable that is referenced or used has a green check mark next to it, while unreferenced variables have a orange caution icon next to them.
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@@ -59,7 +55,3 @@ Any variable that is referenced or used has a green check mark next to it, while
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In addition, all referenced variables have a dependency icon next to the green check mark. You can click on the icon to view the dependency map. The dependency map can be moved. You can zoom in out with mouse wheel or track pad equivalent.-->
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{{% admonition type="note" %}}
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This feature is available in Grafana 7.4 and later versions.
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{{% /admonition %}}
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