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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-13220) Set isNull[i] = false for non-null decimal values in DecimalColumnVector
Date Fri, 18 Mar 2016 09:18:33 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matt McCline reassigned HIVE-13220:
-----------------------------------

    Assignee: Matt McCline

> Set isNull[i] = false for non-null decimal values in DecimalColumnVector
> ------------------------------------------------------------------------
>
>                 Key: HIVE-13220
>                 URL: https://issues.apache.org/jira/browse/HIVE-13220
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.1.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Matt McCline
>
> When fixing HIVE-13083 noticed that for non-null decimal values, set function does not
update the isNull state (isNull[i] should be set to false). Updating this state in DecimalColumnVector
breaks all decimal vector filter expressions as the filter expression can change state on
it's own.
> {code}
>         System.arraycopy(inputIsNull, 0, outputIsNull, 0, n);
>         for(int i = 0; i != n; i++) {
>           // The following may override a "false" null setting if an error or overflow
occurs.
>           DecimalUtil.addChecked(i, vector[i], value, outputColVector);
>         }
> {code}



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