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Posted to commits@hudi.apache.org by "Jian Feng (Jira)" <ji...@apache.org> on 2022/01/24 03:34:00 UTC

[jira] [Created] (HUDI-3304) support partial update on mor table

Jian Feng created HUDI-3304:
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             Summary: support partial update on mor table 
                 Key: HUDI-3304
                 URL: https://issues.apache.org/jira/browse/HUDI-3304
             Project: Apache Hudi
          Issue Type: Improvement
            Reporter: Jian Feng


h2. current status
 * OverwriteNonDefaultsWithLatestAvroPayload implement partial update behavior in combineAndGetUpdateValue method
 * Spark sql also have a 'Merge into' syntax support partial update by ExpressionPayload,
 * both OverwriteNonDefaultsWithLatestAvroPayload and ExpressionPayload can not handle partial update in preCombine method, so they can only support partial update with COW table

!https://confluence.shopee.io/download/attachments/901517236/image2022-1-13_0-33-5.png?version=1&modificationDate=1642005185000&api=v2!



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