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https://issues.apache.org/jira/browse/HIVE-22692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Kasa updated HIVE-22692:
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Attachment: HIVE-22692.1.patch
> 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
>
> Attachments: HIVE-22692.1.patch
>
>
> 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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