Kazuaki Ishizaki created SPARK-17490:
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Summary: Optimize SerializeFromObject for primitive array
Key: SPARK-17490
URL: https://issues.apache.org/jira/browse/SPARK-17490
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.0.0
Reporter: Kazuaki Ishizaki
In logical plan, {{SerializeFromObject}} for an array always use
{{GenericArrayData}} as a destination. {{UnsafeArrayData}} could be used for an
primitive array. This is a simple approach to solve issues that are addressed
by SPARK-16043.
Here is a motivating example.
{code}
sparkContext.parallelize(Seq(Array(1)), 1).toDS.map(e => e).show
{code}
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