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From "Deepak Jaiswal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-17939) Bucket map join not being selected when bucketed tables is missing bucket files
Date Wed, 01 Nov 2017 19:08:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-17939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Deepak Jaiswal updated HIVE-17939:
----------------------------------
    Attachment: HIVE-17939.4.patch

Another attempt to trigger ptest run for the same patch as v2.

> Bucket map join not being selected when bucketed tables is missing bucket files
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-17939
>                 URL: https://issues.apache.org/jira/browse/HIVE-17939
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>            Priority: Major
>         Attachments: HIVE-17939.1.patch, HIVE-17939.2.patch, HIVE-17939.3.patch, HIVE-17939.4.patch
>
>
>  Looks like the following logic kicks in during OpTraitsRulesProcFactory.TableScanRule.checkBucketedTable(),
which prevents the table from being considered a proper bucketed table:
>             // The number of files for the table should be same as number of
>             // buckets.
>             if (fileNames.size() != 0 && fileNames.size() != numBuckets) {
>               return false;
>             }



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