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https://issues.apache.org/jira/browse/NIFI-912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14737430#comment-14737430
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Sean Busbey commented on NIFI-912:
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+1 (non-binding)
fine to fix on commit: a test that includes a valid file with 0 entries is a
good edge case to test.
> Support extracting metadata from Avro file headers
> --------------------------------------------------
>
> Key: NIFI-912
> URL: https://issues.apache.org/jira/browse/NIFI-912
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Bryan Bende
> Assignee: Bryan Bende
> Priority: Minor
> Fix For: 0.4.0
>
> Attachments: NIFI-912-2.patch, NIFI-912-3.patch, NIFI-912.patch
>
>
> Extract metadata from Avro file headers to FlowFile attributes so that
> downstream processors can make decisions, such as merging together records of
> compatible schemas (i.e. the correlation attribute).
> Information to extract:
> - Schema definition (full, not fp)
> - Schema fingerprint
> - Schema root record name (if schema is a record)
> - Key/value metadata, like compression codec
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