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Alan Gates commented on HIVE-9452:
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[~daisy_yu] Take a look at the attached document, whic
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https://issues.apache.org/jira/browse/HIVE-9452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14299596#comment-14299596
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Daisy.Yuan commented on HIVE-9452:
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When one table has thousands columns, the bottleneck i