Danny Chen created HUDI-1704:
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             Summary: Use PRIMARY KEY syntax to define record keys for Flink 
Hudi table
                 Key: HUDI-1704
                 URL: https://issues.apache.org/jira/browse/HUDI-1704
             Project: Apache Hudi
          Issue Type: Sub-task
          Components: Flink Integration
            Reporter: Danny Chen
            Assignee: Danny Chen
             Fix For: 0.8.0


The SQL PRIMARY KEY semantics is very same with Hoodie record key, using 
PRIMARY KEY is more straight-forward way instead of a table option: 
hoodie.datasource.write.recordkey.field.

After this change, both PRIMARY KEY and table option can define hoodie record 
key, while the PRIMARY KEY has higher priority if both are defined.



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