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add version note to metric prefix and fix typo

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Sven Klemm
2018-07-30 14:37:23 +02:00
parent 917b6b11b0
commit 8a22129177
3 changed files with 6 additions and 3 deletions
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docs/sources/features/datasources/postgres.md
+2 -1
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@@ -101,7 +101,8 @@ 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. If you return multiple value columns and a column named `metric` then this column is used as prefix for the series name.
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 (only available in Grafana 5.3+).
**Example with `metric` column:**