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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2014/07/23 10:19:39 UTC

[jira] [Created] (FLINK-1032) Extend POJO Field Selectors to Support Accessing Nested Objects

Aljoscha Krettek created FLINK-1032:
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             Summary: Extend POJO Field Selectors to Support Accessing Nested Objects
                 Key: FLINK-1032
                 URL: https://issues.apache.org/jira/browse/FLINK-1032
             Project: Flink
          Issue Type: Bug
            Reporter: Aljoscha Krettek
            Assignee: Aljoscha Krettek


Right now you can only use fields of the top-level object as key fields in groupings, joins, and co-group. This should be extended to allow using nested fields. We have to be careful with null fields, though.



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