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https://issues.apache.org/jira/browse/NIFI-912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Bende updated NIFI-912:
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Attachment: NIFI-912.patch
Attaching a patch for an ExtractAvroMetadata processor. It allows specifying a
comma-separated list of key names to extract from the avro header metadata. It
also generates the schema fingerprint based on the selected algorithm, and
extracts the schema type and name. All of these values end up as FlowFile
attributes.
> 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.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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