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Use metric column as prefix

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If multiple value columns are returned and a metric column is
returned aswell the metric column will be used as prefix for
the series name
This commit is contained in:
Sven Klemm 2018-07-21 11:04:05 +02:00
parent 715c82b67b
commit b28a362635
1 changed files with 1 additions and 1 deletions
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docs/sources/features/datasources/postgres.md
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@ -101,7 +101,7 @@ The resulting table panel:
If you set `Format as` to `Time series`, for use in Graph panel for example, then the query must return a column named `time` that returns either a sql datetime or any numeric datatype representing unix epoch.
Any column except `time` and `metric` is treated as a value column.
You may return a column named `metric` that is used as metric name for the value column.
You may return a column named `metric` that is used as metric name for the value column. If you return multiple value columns and a column named `metric` then this column is used as prefix for the series name.
**Example with `metric` column:**