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Posted to issues@hive.apache.org by "Krisztian Kasa (Jira)" <ji...@apache.org> on 2020/01/03 08:20:00 UTC

[jira] [Updated] (HIVE-22692) Use only fixDecimalDataTypePhysicalVariations when vectorizing TopNKey operator

     [ https://issues.apache.org/jira/browse/HIVE-22692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krisztian Kasa updated HIVE-22692:
----------------------------------
    Fix Version/s: 4.0.0

> Use only fixDecimalDataTypePhysicalVariations when vectorizing TopNKey operator
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-22692
>                 URL: https://issues.apache.org/jira/browse/HIVE-22692
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Minor
>             Fix For: 4.0.0
>
>
> Currently both 'fixDecimalDataTypePhysicalVariations' and 'getVectorExpressionsUpConvertDecimal64'  are called when vectorizing TopNKey operator in 'Vectorizer.java'
> {code}
>     vContext.markActualScratchColumns();
>     try {
>       List<ExprNodeDesc> keyColumns = topNKeyDesc.getKeyColumns();
>       keyExpressions = vContext.getVectorExpressionsUpConvertDecimal64(keyColumns);
>       fixDecimalDataTypePhysicalVariations(vContext, keyExpressions);
>     } finally {
>       vContext.freeMarkedScratchColumns();
>     }
> {code}



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