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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-23592) Routine "makeIntPair" is Not Correct
Date Thu, 11 Jun 2020 19:18:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-23592?focusedWorklogId=444511&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-444511
]

ASF GitHub Bot logged work on HIVE-23592:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 11/Jun/20 19:17
            Start Date: 11/Jun/20 19:17
    Worklog Time Spent: 10m 
      Work Description: belugabehr closed pull request #1052:
URL: https://github.com/apache/hive/pull/1052


   


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

    Worklog Id:     (was: 444511)
    Time Spent: 50m  (was: 40m)

> Routine "makeIntPair" is Not Correct
> ------------------------------------
>
>                 Key: HIVE-23592
>                 URL: https://issues.apache.org/jira/browse/HIVE-23592
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>    Affects Versions: 3.2.0
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> {code:java|title=BuddyAllocator.java}
>   // Utility methods used to store pairs of ints as long.
>   private static long makeIntPair(int first, int second) {
>     return ((long)first) << 32 | second;
>   }
>   private static int getFirstInt(long result) {
>     return (int) (result >>> 32);
>   }
>   private static int getSecondInt(long result) {
>     return (int) (result & ((1L << 32) - 1));
>   }
> {code}
> {code:java}
>     long result = LLAP.makeIntPair(Integer.MIN_VALUE, Integer.MIN_VALUE);
>     if (LLAP.getFirstInt(result) != Integer.MIN_VALUE) {
>        throw new Exception();
>     }
>     if (LLAP.getSecondInt(result) != Integer.MIN_VALUE) {
>       throw new Exception();
>    }
> /*
>  * Exception in thread "main" java.lang.Exception
>  * 	at org.test.TestMe.main(TestMe.java:19)
>  */
> {code}
> [https://github.com/apache/hive/blob/4b670877c280b37c5776046f66d766079489b2a8/llap-server/src/java/org/apache/hadoop/hive/llap/cache/BuddyAllocator.java#L1677]



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