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Update notExists to true when value is empty #2412

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merged 2 commits into from
Mar 5, 2024

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qianyuansun
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Currently Exists and NotExists are the same when value is empty. Headers with empty values have no semantic meaning in HTTP. So I updated NotExists with empty value to true. This will go against the current behavior by design.
Feel free to post any comments or suggestions. Initial discussion is here #2258 (comment)

@qianyuansun
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@microsoft-github-policy-service agree company="Microsoft"

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@MihaZupan MihaZupan left a comment

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Thanks.
This makes sense to me to get the behavior that Exists is always !NotExists.

I'll bring it up with the team as well given that this is a breaking change in behavior.

@MihaZupan MihaZupan added this to the v.Next milestone Feb 27, 2024
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@adityamandaleeka adityamandaleeka left a comment

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Triage: we're okay with this even though it is technically a breaking change.

@adityamandaleeka adityamandaleeka merged commit e672f15 into microsoft:main Mar 5, 2024
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@MihaZupan MihaZupan modified the milestones: v.Next, YARP 2.2.0-preview1 May 14, 2024
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4 participants