experimental.set() function

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experimental.set() sets multiple static column values on all records.

If a column already exists, the function updates the existing value. If a column does not exist, the function adds it with the specified value.

Function type signature

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Parameters

o

({{< req >}}) Record that defines the columns and values to set.

The key of each key-value pair defines the column name. The value of each key-value pair defines the column value.

tables

Input data. Default is piped-forward data (<-).

Examples

Set values for multiple columns

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Input data

_time	_field	_value
2019-09-16T12:00:00Z	temp	71.2
2019-09-17T12:00:00Z	temp	68.4
2019-09-18T12:00:00Z	temp	70.8

Output data

_time	_field	_value	unit	location
2019-09-16T12:00:00Z	temperature	71.2	°F	San Francisco
2019-09-17T12:00:00Z	temperature	68.4	°F	San Francisco
2019-09-18T12:00:00Z	temperature	70.8	°F	San Francisco

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