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https://issues.apache.org/jira/browse/AVRO-350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12802418#action_12802418
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Kevin Oliver commented on AVRO-350:
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There is a tradeoff with isSet(). If you don't know if the field is in a
schema, you would then need to always precede every call to get() with isSet().
I tend to think of the GenericRecords as modeling a map, but maybe that is not
the right approach.
A compromise might be returning null when not set, and if an application is
interested, they can see if the value isSet(). That feels like a nice balance
between performance and features.
> NPE on GenericData.Record.get(String) for a field that doesn't exist
> --------------------------------------------------------------------
>
> Key: AVRO-350
> URL: https://issues.apache.org/jira/browse/AVRO-350
> Project: Avro
> Issue Type: Sub-task
> Components: java
> Affects Versions: 1.3.0
> Reporter: Kevin Oliver
> Attachments: AVRO-350.patch
>
>
> After the change in AVRO-278 to use arrays, GenericData.Record.get() gives an
> NPE if you ask for a field that doesn't exist in the schema.
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