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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/09/19 21:52:00 UTC
[jira] [Work logged] (HIVE-26529) Fix VectorizedSupport support for DECIMAL_64 in HiveIcebergInputFormat
[ https://issues.apache.org/jira/browse/HIVE-26529?focusedWorklogId=810187&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-810187 ]
ASF GitHub Bot logged work on HIVE-26529:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Sep/22 21:51
Start Date: 19/Sep/22 21:51
Worklog Time Spent: 10m
Work Description: ayushtkn opened a new pull request, #3607:
URL: https://github.com/apache/hive/pull/3607
### What changes were proposed in this pull request?
Temporary Hack to allow for non mixed ORC tables to support Vectorization
### How was this patch tested?
Added Explain vectorization at relevant places
Issue Time Tracking
-------------------
Worklog Id: (was: 810187)
Remaining Estimate: 0h
Time Spent: 10m
> 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
>
> Time Spent: 10m
> 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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