interpolate fails if there are string fields

influxdata / flux

Flux is a lightweight scripting language for querying databases (like InfluxDB) and working with data. It's part of InfluxDB 1.7 and 2.0, but can be run independently of those.

https://influxdata.com

MIT License

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interpolate fails if there are string fields #5461

Closed sayu-agiliad closed 2 months ago

sayu-agiliad commented 4 months ago

Influx allows for "fields" of type "string" especially when using telegraf json parser with json_string_fields, However when I try to use interpolate on such a measurement, I get the below error " runtime error @6:6-6:35: linear: cannot interpolate string values; expected float values"

It would be helpful if interpolated string fields behave like "fill" and get the last value.

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