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Converting unit_of_measurement variable to optional, to be consistent with other sensors (#1344)
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@ -12,7 +12,7 @@ ha_category: Sensor
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ha_release: 0.32
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---
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The `InfluxDB` sensor allows you to use values from an [InfluxDB](https://influxdb.com/) database to populate a sensor state.
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The `InfluxDB` sensor allows you to use values from an [InfluxDB](https://influxdb.com/) database to populate a sensor state. This can be use to present statistic about home_assistant sensors if used with the `influxdb` history component. It can also be used with an external data source.
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To configure this sensor, you need to define the sensor connection variables and a list of queries to your `configuration.yaml` file. A sensor will be created for each query:
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@ -22,7 +22,6 @@ sensor:
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- platform: influxdb
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queries:
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- name: mean value of foo
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unit_of_measurement: °C
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where: '"name" = ''foo'''
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measurement: '"°C"'
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```
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@ -38,7 +37,7 @@ Configuration variables for the server:
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- **verify_ssl** (*Optional*): Verify SSL certificate for `https` request. Defaults to `false`.
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- **queries** array (*Required*): List of queries
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- **name** (*Required*): The name of the sensor.
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- **unit_of_measurement** (*Required*): Defines the units of measurement of the sensor.
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- **unit_of_measurement** (*Optional*): Defines the units of measurement of the sensor, if any.
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- **measurement** (*Required*): Defines the measurement name in InfluxDB (the from clause of the query).
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- **where** (*Required*): Defines the data selection clause (the where clause of the query).
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- **value_template** (*Optional*): Defines a [template](/topics/templating/) to extract a value from the payload.
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