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https://issues.apache.org/jira/browse/HIVE-26529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HIVE-26529.
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Resolution: Fixed
> 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, pull-request-available
> Attachments: iceberg_table_with_HiveDecimal.png,
> regular_tables_with_decimal64.png
>
> Time Spent: 5.5h
> Remaining Estimate: 0h
>
> 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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