[GitHub] [spark] juliuszsompolski commented on pull request #42772: [SPARK-45051][CONNECT] Use UUIDv7 by default for operation IDs to make operations chronologically sortable

["juliuszsompolski (via GitHub)" <gi...@apache.org>]

juliuszsompolski commented on PR #42772:
URL: https://github.com/apache/spark/pull/42772#issuecomment-1707000060

   We maintain backwards compatibility, where older clients can connect to newer server. These older clients will not provide such UUIDs.
   What will happen then? Does it break any critical assumptions?


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