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https://issues.apache.org/jira/browse/HUDI-1842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17393823#comment-17393823
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ASF GitHub Bot commented on HUDI-1842:
--------------------------------------

hudi-bot edited a comment on pull request #3393:
URL: https://github.com/apache/hudi/pull/3393#issuecomment-891812944






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> [SQL] Spark Sql Support For The Exists Hoodie Table
> ---------------------------------------------------
>
>                 Key: HUDI-1842
>                 URL: https://issues.apache.org/jira/browse/HUDI-1842
>             Project: Apache Hudi
>          Issue Type: Sub-task
>            Reporter: pengzhiwei
>            Assignee: pengzhiwei
>            Priority: Blocker
>              Labels: pull-request-available, release-blocker
>             Fix For: 0.9.0
>
>
> In order to support spark sql for hoodie, we persist some table properties to 
> the hoodie.properties. e.g. primaryKey, preCombineField, partition columns.  
> For the exists hoodie tables, these  properties are missing. We need do some 
> code in UpgradeDowngrade to support spark sql for the exists tables.



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