[jira] [Updated] (HUDI-1284) preCombine all HoodieRecords and update all fields(which is not DefaultValue) according to orderingVal

["karl wang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HUDI-1284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

karl wang updated HUDI-1284:
----------------------------
    Summary: preCombine all HoodieRecords and update all fields(which is not DefaultValue) according to  orderingVal  (was: preCombine all HoodieRecords and update all fields(which is not null) according to  orderingVal)

> preCombine all HoodieRecords and update all fields(which is not DefaultValue) 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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