Extend Payload to include references to externally stored objects #671
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temporal/api/common/v1/message.proto
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| // Metadata describing an externally stored object that can be referenced by Payload | ||
| message ExternalPayload { |
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This isn't really an external payload, rather it's information about one. I think we should consider adding ExternalInfo (or ExternalPayload if we must) as a sub-message of Payload, the only place it's used, instead of top-level common as if commonly used in many places. But if it must remain top-level, I think it should be clear this proto message is not a form of Payload as its name implies.
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I changed to ExternalReference and made it a sub-message of Payload
| message Payload { | ||
| map<string,bytes> metadata = 1; | ||
| bytes data = 2; | ||
| // References to data stored externally rather than embedded in the payload. |
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Not sure it is currently accurate to say these are references, it's just some info about them
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The plural external_infos is quite awkward, so I decided against it. I also considered ExternalDescriptor, but I like it slightly less than ExternalReference. Any other suggestions, which would also work for plural?
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Looks great to me. I originally was afraid of marking approved until we had done more code on server and SDK side to prove out what we want here, but I think this change is small enough that whatever we're doing with it on the server may not be necessary up front.
READ BEFORE MERGING: All PRs require approval by both Server AND SDK teams before merging! This is why the number of required approvals is "2" and not "1"--two reviewers from the same team is NOT sufficient. If your PR is not approved by someone in BOTH teams, it may be summarily reverted.
Extend Payload to include references to externally stored data. Currently the only information we would store is the size of the externally stored object, but it will be extended in the future once more features are added.
Payloads are limited in size, and as such require external references to pass large amounts of data. This PR extends Payload protobuf to include information (currently only size) about externally stored objects associated with the Payload. One Payload will be able to reference multiple externally stored objects in the future.
No breaking changes
This change is additive, and so won't break the server