Hi, I'm working on https://issues.apache.org/jira/browse/FLINK-2186
As I understand, Flink cannot read wide-column files in tuple, but pojo So far we must create that pojo manually, it's convenient when count of columns not so many When it's over thousand - hardly seems possible To solve this issue I see these ways: - Create an inputFormat that reads each column with proper type serializer and keeps them in common storage like Obejct[]. And keeps meta-information about field types. Some chunks of code of an attempt https://github.com/apache/flink/compare/master...tonycox:FLINK-2186 - Use a complex combination of Tuples or/and Pojos - Somehow use a code generation to create a pojo with huge field count What do you think? Best regards, Anton