getRecord() function
The getRecord() function extracts a record from a table given the record’s index.
If the index is out of bounds, the function errors.
Function type: Stream and table
getRecord(idx: 0)
Use tableFind() to extract a single table
getRecord() requires a single table as input.
Use tableFind()
to extract a single table from a stream of tables.
Parameters
idx
Index of the record to extract.
Data type: Integer
Example
r0 = from(bucket:"example-bucket")
|> range(start: -5m)
|> filter(fn:(r) => r._measurement == "cpu")
|> tableFind(fn: (key) => key._field == "usage_idle")
|> getRecord(idx: 0)
// Use record values
x = r0._field + "--" + r0._measurement
Support and feedback
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