Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/2968#discussion_r91754276 --- Diff: docs/dev/types_serialization.md --- @@ -92,6 +92,8 @@ Internally, Flink makes the following distinctions between types: * POJOs: classes that follow a certain bean-like pattern + * Row (unlimited length of fields) --- End diff -- Extend the description of the Java and Scala tuples (max 25 / 22 fields, null fields not supported) to make the difference to `Row` clear.
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