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Type: Spec Change
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Resolution: Unresolved
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Priority: Major - P3
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None
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Component/s: Transactions
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Labels:None
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Needed
The startTransaction section of the Transaction spec states:
startTransaction SHOULD report an error if the driver can detect that transactions are not supported by the deployment. A deployment does not support transactions when the deployment does not support sessions, or maxWireVersion < 7, or the maxWireVersion < 8 and the topology type is Sharded.
I recently discovered that libmongoc does not implement the maxWireVersion < 7 check and opened CDRIVER-3161 to address that. There is certainly not reason that libmongoc could not implement this.
I would propose changing the spec to MUST unless there is a legitimate reason to keep SHOULD.
- is related to
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CDRIVER-3161 Prohibit starting a transaction for maxWireVersion < 7
- Closed