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https://issues.apache.org/jira/browse/HUDI-9439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17954348#comment-17954348
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Timothy Brown commented on HUDI-9439:
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We can make similar optimizations in
[SecondaryIndexRecordGenerationUtils.java|https://github.com/apache/hudi/pull/13361/files#diff-30236a3b4ec9594a9e75d13d4da823b9f3a220bd373060416a5e0afe4758c1b9]
to only read the record key fields and the secondary index field
> Add helpers for reading select fields from schema in FileGroupReader
> --------------------------------------------------------------------
>
> Key: HUDI-9439
> URL: https://issues.apache.org/jira/browse/HUDI-9439
> Project: Apache Hudi
> Issue Type: Sub-task
> Reporter: Timothy Brown
> Priority: Minor
>
> When metadata fields are not enabled, we can still get some efficiency gains
> by reading only the record fields out of the files instead of the full set of
> fields.
> See this PR for context:
> https://github.com/apache/hudi/pull/13313#discussion_r2103269748
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