Till Rohrmann created FLINK-6802:
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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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