Not able to filter by nil timestamp

[zekai-rai]

Component(s)

processor/filter

What happened?

Description

Not able to filter out data point without startTimeUnixNano.

Steps to Reproduce

Use this filter setting.

filter/engine_initial:
    error_mode: ignore
    metrics:
      datapoint:
          - start_time_unix_nano == nil

Submit a metric with data points without startTimeUnixNano. Expecting the data point to be filter out.

Expected Result

Actual Result

Collector version

v.0.98.00

Environment information

Environment

OS: (e.g., "Ubuntu 20.04")
Compiler(if manually compiled): (e.g., "go 14.2")

OpenTelemetry Collector configuration

filter/engine_initial:
    error_mode: ignore
    metrics:
      datapoint:
          - start_time_unix_nano == nil

Log output

No response

Additional context

No response

[github-actions]

Pinging code owners:

• processor/filter: @TylerHelmuth @boostchicken

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[zekai-rai]

Should've use start_time_unix_nano == 0
Closed.