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Posted to dev@flink.apache.org by "Yunfeng Zhou (Jira)" <ji...@apache.org> on 2022/09/27 08:06:00 UTC

[jira] [Created] (FLINK-29429) Add DataType for Flink ML linear algorithm classes

Yunfeng Zhou created FLINK-29429:
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             Summary: Add DataType for Flink ML linear algorithm classes
                 Key: FLINK-29429
                 URL: https://issues.apache.org/jira/browse/FLINK-29429
             Project: Flink
          Issue Type: Improvement
          Components: Library / Machine Learning
    Affects Versions: ml-2.1.0
            Reporter: Yunfeng Zhou


DataType instances are used in Table API when creating Tables or Table UDFs. There are helper functions like `DataTypes.of()` that can be used to get the DataType for Flink ML classes like DenseVector in java, but this method is not applicable in pyflink, which seems not to support custom DataTypes yet. Thus we should add DataType subclasses for them in Flink ML.



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