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https://issues.apache.org/jira/browse/SPARK-39231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Jie updated SPARK-39231:
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Summary: Change to use ConstantColumnVector to store partition columns in
`VectorizedParquetRecordReader` (was: Change to use ConstantColumnVector for
partition column in `VectorizedParquetRecordReader`)
> Change to use ConstantColumnVector to store partition columns in
> `VectorizedParquetRecordReader`
> ------------------------------------------------------------------------------------------------
>
> Key: SPARK-39231
> URL: https://issues.apache.org/jira/browse/SPARK-39231
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Yang Jie
> Priority: Minor
>
> Try to use `ConstantColumnVector` instead of OnHeapColumnVector(or
> OffHeapColumnVector) to store partition columns in
> `VectorizedParquetRecordReader` for performance improvements and memory
> savings.
> I will do some preliminary research and supplement jira description.
>
> `
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