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Posted to dev@streampipes.apache.org by "tenthe (via GitHub)" <gi...@apache.org> on 2023/06/02 11:20:19 UTC

Re: [D] OPC UA adapter creation fails in case of nodes with StatusCode "good", but Null Value (streampipes)

GitHub user tenthe added a comment to the discussion: OPC UA adapter creation fails in case of nodes with StatusCode "good", but Null Value

I am also not in favor of introducing a default value.
I see two options:
- **Option 1:** Remove the property from the event schema
  - Disadvantage: We also need to check that the values are not null at runtime
  - Advantage: We know (at connection time) that all values are present
- **Option 2:** Remove the property during runtime.
  - Disadvantage: The downstream algorithms have to handle this case. The user might get errors in pipeline elements due to missing values in the data source.
  - Advantage: There are no restrictions for the user.

GitHub link: https://github.com/apache/streampipes/discussions/1596#discussioncomment-6070680

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