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Added basic docs

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Torkel Ödegaard
2019-01-29 20:53:49 +01:00
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docs/sources/reference/templating.md
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@@ -245,6 +245,11 @@ summarize($myinterval, sum, false)
Grafana has global built-in variables that can be used in expressions in the query editor. Grafana has global built-in variables that can be used in expressions in the query editor.
### Time range variables
Grafana has two built in time range variables in `$__from` and `$__to`. They are currently always interpolated
as epoch milliseconds.
### The $__interval Variable ### The $__interval Variable
This $__interval variable is similar to the `auto` interval variable that is described above. It can be used as a parameter to group by time (for InfluxDB, MySQL, Postgres, MSSQL), Date histogram interval (for Elasticsearch) or as a *summarize* function parameter (for Graphite). This $__interval variable is similar to the `auto` interval variable that is described above. It can be used as a parameter to group by time (for InfluxDB, MySQL, Postgres, MSSQL), Date histogram interval (for Elasticsearch) or as a *summarize* function parameter (for Graphite).