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From "Feng Honghua (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7226) HRegion.checkAndMutate uses incorrect comparison result for <, <=, > and >=
Date Wed, 28 Nov 2012 05:54:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Feng Honghua updated HBASE-7226:
--------------------------------

    Attachment: HRegion_HBASE_7226_0.94.2.patch
    
> HRegion.checkAndMutate uses incorrect comparison result for <, <=, > and >=
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-7226
>                 URL: https://issues.apache.org/jira/browse/HBASE-7226
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.94.2
>         Environment: 0.94.2
>            Reporter: Feng Honghua
>            Priority: Minor
>             Fix For: 0.94.2
>
>         Attachments: HRegion_HBASE_7226_0.94.2.patch
>
>   Original Estimate: 10m
>  Remaining Estimate: 10m
>
> in HRegion.checkAndMutate, incorrect comparison results are used for <, <=, >
and >=, as below:
>           switch (compareOp) {
>           case LESS:
>             matches = compareResult <= 0;  // should be '<' here
>             break;
>           case LESS_OR_EQUAL:
>             matches = compareResult < 0;  // should be '<=' here
>             break;
>           case EQUAL:
>             matches = compareResult == 0;
>             break;
>           case NOT_EQUAL:
>             matches = compareResult != 0;
>             break;
>           case GREATER_OR_EQUAL:
>             matches = compareResult > 0;  // should be '>=' here
>             break;
>           case GREATER:
>             matches = compareResult >= 0;  // should be '>' here
>             break;

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