Kazuaki Ishizaki created SPARK-15962:
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Summary: Introduce additonal implementation with a dense format
for UnsafeArrayData
Key: SPARK-15962
URL: https://issues.apache.org/jira/browse/SPARK-15962
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Kazuaki Ishizaki
It would be good to have an additional implementation, which uses dense format,
for {{UnsafeArrayData}} to reduce memory footprint. Current {{UnsafeArrayData}}
implementation uses only a sparse format.
It is useful for an {{UnsafeArrayData}} that is created by a method
{{fromPrimitiveArray}}, which have no {{null}} value.
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