Matthias Boehm created SYSTEMML-1030:
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Summary: Dataframe converters incorrectly use positional access
Key: SYSTEMML-1030
URL: https://issues.apache.org/jira/browse/SYSTEMML-1030
Project: SystemML
Issue Type: Bug
Reporter: Matthias Boehm
Both our dataframe-matrix and dataframe-frame converters assume positional
access of the __INDEX column. This is incorrect as, for example, a
serialization into json and subsequent deserialization loses this order (i.e.,
sorts by column name). This is a bug because our converters cannot even read
data frames produced by SystemML in a previous script.
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