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https://issues.apache.org/jira/browse/HUDI-8468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17916971#comment-17916971
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Y Ethan Guo commented on HUDI-8468:
-----------------------------------
Instead of determining the payload class based on merge mode per record inside
the ExpressionPayload class, we should have a delegation pattern, so that when
can have three implementation flavors of ExpressionPayload predetermined
beforehand based on the merge mode to avoid per-record overhead of determining
the record merge behavior.
> Merge into always uses eventtime ordering
> ------------------------------------------
>
> Key: HUDI-8468
> URL: https://issues.apache.org/jira/browse/HUDI-8468
> Project: Apache Hudi
> Issue Type: Sub-task
> Components: spark-sql
> Reporter: Jonathan Vexler
> Assignee: Y Ethan Guo
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.0.1
>
> Original Estimate: 8h
> Remaining Estimate: 8h
>
> MIT uses eventtime ordering even when the payload is overwite.
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