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From "Fabian Hueske (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-1665) Add optional annotations for POJOs to specify the order of fields
Date Mon, 09 Mar 2015 17:11:38 GMT
Fabian Hueske created FLINK-1665:
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             Summary: Add optional annotations for POJOs to specify the order of fields
                 Key: FLINK-1665
                 URL: https://issues.apache.org/jira/browse/FLINK-1665
             Project: Flink
          Issue Type: Bug
          Components: JobManager
    Affects Versions: 0.8.0, 0.9
            Reporter: Fabian Hueske


The order of fields within a POJO is not well defined. 
We could provide an optional annotation such as {{@Position(int)}} to enable the definition
of field orders.

The order of fields is relevant when mapping data to POJOs such as when generating POJOs from
CSV input, converting POJOs to tuples (for example for the expression API), or when sorting
POJOs (see FLINK-1664).



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