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https://issues.apache.org/jira/browse/HIVE-4167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13632727#comment-13632727
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Namit Jain commented on HIVE-4167:
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added comments
> Hive converts bucket map join to SMB join even when tables are not sorted
> -------------------------------------------------------------------------
>
> Key: HIVE-4167
> URL: https://issues.apache.org/jira/browse/HIVE-4167
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.11.0
> Reporter: Vikram Dixit K
> Assignee: Namit Jain
> Priority: Blocker
> Attachments: hive.4167.1.patch, hive.4167.2.patch, hive.4167.3.patch,
> hive.4167.4.patch, hive.4167.4.patch-nohcat, HIVE-4167.patch
>
>
> If tables are just bucketed but not sorted, we are generating smb join
> operator. This results in loss of rows in queries.
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