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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-24151) MultiDelimitSerDe shifts data if strings contain non-ASCII characters
Date Sat, 12 Sep 2020 21:16:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-24151?focusedWorklogId=483125&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-483125
]

ASF GitHub Bot logged work on HIVE-24151:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Sep/20 21:15
            Start Date: 12/Sep/20 21:15
    Worklog Time Spent: 10m 
      Work Description: szlta opened a new pull request #1490:
URL: https://github.com/apache/hive/pull/1490






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Issue Time Tracking
-------------------

    Worklog Id:     (was: 483125)
    Time Spent: 1h 20m  (was: 1h 10m)

> MultiDelimitSerDe shifts data if strings contain non-ASCII characters
> ---------------------------------------------------------------------
>
>                 Key: HIVE-24151
>                 URL: https://issues.apache.org/jira/browse/HIVE-24151
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Ádám Szita
>            Assignee: Ádám Szita
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> HIVE-22360 intended to fix another MultiDelimitSerde problem (with NULL last columns)
but introduced a regression: the approach of the fix is pretty much all wrong, as the existing
logic that operated on bytes got replaced by regex matcher logic which deals in character
positions, rather than byte positions. As some non ASCII characters consist of more than 1
byte, the whole record may get shifted due to this.
> With this ticket I'm going to restore the old logic, and apply the proper fix on that,
but keeping (and extending) the test cases added with HIVE-22360 so that we have a solution
for both issues.



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