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https://issues.apache.org/jira/browse/HUDI-1284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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karl wang updated HUDI-1284:
----------------------------
Status: In Progress (was: Open)
> preCombine all HoodieRecords and update all fields(which is not null)
> according to orderingVal
> -----------------------------------------------------------------------------------------------
>
> Key: HUDI-1284
> URL: https://issues.apache.org/jira/browse/HUDI-1284
> Project: Apache Hudi
> Issue Type: New Feature
> Components: Writer Core
> Reporter: karl wang
> Priority: Major
> Fix For: 0.6.1
>
>
> When more than one HoodieRecord have the same HoodieKey, this function
> combines all fields(which is not null)
> before attempting to insert/upsert (if combining turned on in
> HoodieClientConfig).
> eg: 1)
> Before:
> id name age ts
> 1 Karl null 0.0
> 1 null 18 0.0
> After:
> id name age ts
> 1 Karl 18 0.0
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