zhilinli created FLINK-33929:
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             Summary: Support jdbc read shard Read string fields as shard keys
                 Key: FLINK-33929
                 URL: https://issues.apache.org/jira/browse/FLINK-33929
             Project: Flink
          Issue Type: New Feature
          Components: Connectors / JDBC, Table SQL / JDBC
            Reporter: zhilinli


Many table structures are very strange table primary keys are generated by the 
string uuid is exactly very scattered, resulting in the use of flink jdbc 
shards to read the primary key,I think flink is not only the best streaming 
computing engine but also has a greater advantage in data transfer



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