[AIP-134] Add rationale on update_mask being optional#1405
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[AIP-134] Add rationale on update_mask being optional#1405
update_mask being optional#1405Conversation
Add text explaining why `update_mask` must be OPTIONAL over REQUIRED.
jskeet
reviewed
Aug 12, 2024
| - The field **must** be optional, and the service **must** treat an omitted | ||
| field mask as an implied field mask equivalent to all fields that are | ||
| populated (have a non-empty value). | ||
| - Rationale is that omission of `update_mask` is equivalent on it being |
Contributor
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Rather than include this here, I'd suggest adding a rationale section separately.
Collaborator
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Indeed, and I'd take a glance at the guidance in AIP-8 for this section:

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Add text explaining why
update_maskmust be OPTIONAL over REQUIRED.