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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2020/06/07 00:12:03 UTC

[GitHub] [pulsar] yujun32 commented on issue #7166: I didnt find the Schema strategy I wanted

yujun32 commented on issue #7166:
URL: https://github.com/apache/pulsar/issues/7166#issuecomment-640135151


   > [https://pulsar.apache.org/docs/en/schema-evolution-compatibility/#how-does-pulsar-support-schema-evolution ](https://pulsar.apache.org/docs/en/schema-evolution-compatibility/#how-does-pulsar-support-schema-evolution)
   > @ yujun32似乎您想要一个`BACKWARD_TRANSITIVE`？
   
   Thank you for answering,
   
   BACKWARD_TRANSITIVE is still a bit different from the strategy I want:
   1. Fields can only be added but not modified or deleted.
   2. Consumer can consume the latest data without upgrading.
   These two points are just the principles that our other services follow, so that the design rules will help our security upgrade and fault tolerance


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