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Posted to dev@hive.apache.org by "Vikram Dixit K (JIRA)" <ji...@apache.org> on 2013/03/17 07:38:12 UTC

[jira] [Updated] (HIVE-4167) Hive converts bucket map join to SMB join even when tables are not sorted

     [ https://issues.apache.org/jira/browse/HIVE-4167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vikram Dixit K updated HIVE-4167:
---------------------------------

    Attachment: HIVE-4167.patch
    
> 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: Vikram Dixit K
>         Attachments: 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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