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W3C: Propagate unknown values as-is #2485

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merged 3 commits into from
Dec 22, 2022
Merged

W3C: Propagate unknown values as-is #2485

merged 3 commits into from
Dec 22, 2022

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marcotc
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@marcotc marcotc commented Dec 8, 2022

Unknown Datadog-specific fields should be propagated as-is, as they might belong to future versions Datadog Tracers.

ddtrace's job is to simply pass the them downstream with the same incoming values.

@marcotc marcotc requested a review from a team December 8, 2022 22:53
@marcotc marcotc self-assigned this Dec 8, 2022
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@ivoanjo ivoanjo left a comment

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The change looks reasonable, although this is one of those PRs that it's probably best someone from tracing give a second pass as I understand the code changes, but I don't understand if they are the correct code changes for the outcome we want ;)

spec/datadog/tracing/distributed/trace_context_spec.rb Outdated Show resolved Hide resolved
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@TonyCTHsu TonyCTHsu left a comment

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Looks great!

end
end

[origin, sampling_priority, tags]
[origin, sampling_priority, tags, unknown_fields]
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Perhaps we should extract this to its own object, if the array keeps on growing. It feels weird to me that the caller need to understand the index of the array to get the corresponding value.

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I'll do it if we get to 5! 🦆

@marcotc marcotc merged commit fb52399 into master Dec 22, 2022
@marcotc marcotc deleted the w3c-propagate-unknown branch December 22, 2022 01:04
@github-actions github-actions bot added this to the 1.9.0 milestone Dec 22, 2022
@TonyCTHsu TonyCTHsu mentioned this pull request Jan 30, 2023
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3 participants