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Posted to issues@hive.apache.org by "Ayush Saxena (Jira)" <ji...@apache.org> on 2022/09/19 21:26:00 UTC

[jira] [Assigned] (HIVE-26529) Fix VectorizedSupport support for DECIMAL_64 in HiveIcebergInputFormat

     [ https://issues.apache.org/jira/browse/HIVE-26529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ayush Saxena reassigned HIVE-26529:
-----------------------------------

    Assignee: Ayush Saxena

> Fix VectorizedSupport support for  DECIMAL_64 in HiveIcebergInputFormat
> -----------------------------------------------------------------------
>
>                 Key: HIVE-26529
>                 URL: https://issues.apache.org/jira/browse/HIVE-26529
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>            Reporter: Rajesh Balamohan
>            Assignee: Ayush Saxena
>            Priority: Major
>              Labels: perfomance
>         Attachments: iceberg_table_with_HiveDecimal.png, regular_tables_with_decimal64.png
>
>
> For supporting vectored reads in parquet, DECIMAL_64 support in ORC has been disabled in HiveIcebergInputFormat. This causes regressions in queries.
> [https://github.com/apache/hive/blob/master/iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergInputFormat.java#L182]
> It will be good to restore DECIMAL_64 support in iceberg input format.
>  



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