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Posted to issues@spark.apache.org by "Chao Sun (Jira)" <ji...@apache.org> on 2022/03/31 20:09:00 UTC

[jira] [Updated] (SPARK-37974) Implement vectorized DELTA_BYTE_ARRAY and DELTA_LENGTH_BYTE_ARRAY encodings for Parquet V2 support

     [ https://issues.apache.org/jira/browse/SPARK-37974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao Sun updated SPARK-37974:
-----------------------------
    Fix Version/s: 3.3.0
                       (was: 3.4.0)

> 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: 3.3.0
>
>
> 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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