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https://issues.apache.org/jira/browse/HUDI-3321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17514455#comment-17514455
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Raymond Xu commented on HUDI-3321:
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Discussed with [~shivnarayan] we need this when we want to support hfile as
base file. cc [~guoyihua]
> HFileWriter, HFileReader and HFileDataBlock should avoid hardcoded key field
> name
> ---------------------------------------------------------------------------------
>
> Key: HUDI-3321
> URL: https://issues.apache.org/jira/browse/HUDI-3321
> Project: Apache Hudi
> Issue Type: Improvement
> Components: code-quality, metadata
> Reporter: Manoj Govindassamy
> Assignee: Ethan Guo
> Priority: Major
> Fix For: 0.11.0
>
>
> Today HFileReader has the hardcoded key field name for the schema. This key
> field is used by HFileWriter, HFileDataBlock for HFile key dedupliacation
> feature. When users want to use the HFile format, this hard coded key field
> name can be preventing the usecase. We need a way to pass in the
> writer/reader/query configs to the HFile storage layer so as to use the right
> key field name.
>
> Related: HUDI-2763
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