[jira] [Updated] (HUDI-4298) When reading the mor table with QUERY_TYPE_SNAPSHOT,Unable to correctly sort and de duplicate data by PRECOMBINE_FIELD.

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HUDI-4298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HUDI-4298:
---------------------------------
    Labels: pull-request-available  (was: )

> When reading the mor table with QUERY_TYPE_SNAPSHOT,Unable to correctly sort and de duplicate data by PRECOMBINE_FIELD.
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: HUDI-4298
>                 URL: https://issues.apache.org/jira/browse/HUDI-4298
>             Project: Apache Hudi
>          Issue Type: Bug
>          Components: flink
>            Reporter: HunterHunter
>            Priority: Major
>              Labels: pull-request-available
>
>  create table with : 
> {code:java}
> (
> 'table.type' = 'MERGE_ON_READ',
> 'write.precombine' = 'true',
> 'write.precombine.field' = 'rowtime',
> 'compaction.delta_commits' = '3'
>  )
> {code}
> Data inflow sequence：
>  
> {code:java}
> {"msg":"1","rowtime":"2021-01-01 11:11:02","age":2} -- commit 1
> {"msg":"1","rowtime":"2021-01-01 11:11:05","age":5} -- commit 2
> {"msg":"1","rowtime":"2021-01-01 11:11:01","age":1} -- commit 3 and compaction
> -- The query result is  {age":5 } // Meet expectations
> {"msg":"1","rowtime":"2021-01-01 11:11:03","age":3} -- commit 4
> -- The query result is {age":3 } // Not as expected
> {code}
>  
>  
>  



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