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https://issues.apache.org/jira/browse/SPARK-37974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Sun resolved SPARK-37974.
------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

Issue resolved by pull request 35262
[https://github.com/apache/spark/pull/35262]

> Implement vectorized  DELTA_BYTE_ARRAY and DELTA_LENGTH_BYTE_ARRAY encodings 
> for Parquet V2 support
> ---------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-37974
>                 URL: https://issues.apache.org/jira/browse/SPARK-37974
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Parth Chandra
>            Assignee: Parth Chandra
>            Priority: Major
>             Fix For: 3.4.0
>
>
> SPARK-36879 implements the DELTA_BINARY_PACKED encoding which is for integer 
> values, but does not implement the DELTA_BYTE_ARRAY encoding which is for 
> string values. DELTA_BYTE_ARRAY encoding also requires the 
> DELTA_LENGTH_BYTE_ARRAY encoding. Both these encodings need vectorized 
> versions as the current implementation simply calls the non-vectorized 
> Parquet library methods.



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