Michal Szafranski created SPARK-20474:
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Summary: OnHeapColumnVector realocation may not copy existing data
Key: SPARK-20474
URL: https://issues.apache.org/jira/browse/SPARK-20474
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.1.0
Reporter: Michal Szafranski
OnHeapColumnVector reallocation copies to the new storage data up to
'elementsAppended'. This variable is only updated when using the
ColumnVector.appendX API, while ColumnVector.putX is more commonly used.
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