Xiangrui Meng created SPARK-7911:
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Summary: A workaround for VectorUDT serialize (or deserialize)
being called multiple times
Key: SPARK-7911
URL: https://issues.apache.org/jira/browse/SPARK-7911
Project: Spark
Issue Type: Improvement
Components: MLlib
Affects Versions: 1.4.0
Reporter: Xiangrui Meng
Assignee: Xiangrui Meng
There are bugs in UDT serialization because we don't have a clear separation
between internal SQL types and language specific types (including UDT). UDT
serialize and deserialize may get called twice. A workaround is to accept Row
in serialize and Vector in deserialize, though this doesn't completely solve
the issue.
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