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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6802) PojoSerializer does not create ConvertDeserializer for removed/added fields
Date Thu, 01 Jun 2017 14:26:04 GMT
Till Rohrmann created FLINK-6802:
------------------------------------

             Summary: PojoSerializer does not create ConvertDeserializer for removed/added
fields
                 Key: FLINK-6802
                 URL: https://issues.apache.org/jira/browse/FLINK-6802
             Project: Flink
          Issue Type: Improvement
          Components: Type Serialization System
    Affects Versions: 1.3.0, 1.4.0
            Reporter: Till Rohrmann


When calling {{PojoSerializer#ensureCompatibility}}, the PojoSerializer checks for compatibility.
Currently, the method only construct a ConvertDeserializer if the number of old and new pojo
fields is exactly the same. However, given the {{TypeSerializerConfigurationSnapshots}} and
the current set of fields, it should also be possible to construct a ConvertDeserializer if
new fields were added or old fields removed from the Pojo. I think that we should add this
functionality.



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