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https://issues.apache.org/jira/browse/HIVE-17939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225970#comment-16225970
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Jason Dere commented on HIVE-17939:
-----------------------------------
+1 pending tests
> 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
> Attachments: HIVE-17939.1.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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