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https://issues.apache.org/jira/browse/AVRO-1262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting updated AVRO-1262:
-------------------------------
Fix Version/s: 1.7.5
Assignee: Doug Cutting
Status: Patch Available (was: Open)
> Provide access to the writer schema from the mapper
> ---------------------------------------------------
>
> Key: AVRO-1262
> URL: https://issues.apache.org/jira/browse/AVRO-1262
> Project: Avro
> Issue Type: New Feature
> Components: java
> Affects Versions: 1.7.4
> Reporter: Josh Spiegel
> Assignee: Doug Cutting
> Fix For: 1.7.5
>
> Attachments: AVRO-1262.patch
>
>
> When using an Avro InputFormat like AvroKeyInputFormat, the writer schema of
> the container file should be accessible from the mapper. This is useful in
> cases where a reader schema is not specified.
> A workaround is to use FileSplit#getPath() to access the container file and
> manually pull out the schema. This workaround is not ideal because
> internally the writer schema has already been read (see
> AvroRecordReaderBase#createAvroFileReader(...)) - it is awkward and
> inefficient for the user to repeat this work.
> See also:
> http://mail-archives.apache.org/mod_mbox/avro-user/201302.mbox/%3CCAOF3b61nFw4ztOo9Q5pHHtoUDFZ3sRrvEdRGbXGV_cscTqd5LA%40mail.gmail.com%3E
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