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https://issues.apache.org/jira/browse/HIVE-19113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez updated HIVE-19113:
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Attachment: HIVE-19113.01.patch
> Bucketing: Make CLUSTERED BY do CLUSTER BY if no explicit sorting is specified
> ------------------------------------------------------------------------------
>
> Key: HIVE-19113
> URL: https://issues.apache.org/jira/browse/HIVE-19113
> Project: Hive
> Issue Type: Improvement
> Components: Logical Optimizer
> Affects Versions: 3.0.0
> Reporter: Gopal V
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-19113.01.patch, HIVE-19113.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The user's expectation of
> "create external table bucketed (key int) clustered by (key) into 4 buckets
> stored as orc;"
> is that the table will cluster the key into 4 buckets, while the file layout
> does not do any actual clustering of rows.
> In the absence of a "SORTED BY", this can automatically do a "SORTED BY
> (key)" to cluster the keys within the file as expected.
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