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https://issues.apache.org/jira/browse/AVRO-1409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christophe Taton updated AVRO-1409:
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Status: Patch Available (was: Open)
Here is the logic we've been using in Kiji.
> Accurate method for evaluating schema compatibility
> ---------------------------------------------------
>
> Key: AVRO-1409
> URL: https://issues.apache.org/jira/browse/AVRO-1409
> Project: Avro
> Issue Type: New Feature
> Reporter: Christophe Taton
> Attachments: AVRO-1409.20131203-202608.diff
>
>
> Following AVRO-1385, it appears Avro's resolving decoder performs decode-time
> compatibility check, ie. per datum instance compatibility check, as opposed
> to per schema compatibility check.
> For our use-cases, we need to determine whether all datum instances of a
> particular writer schema will always succeed in being decoded using a given
> reader schema.
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