[jira] [Created] (HIVE-17939) Bucket map join not being selected when bucketed tables is missing bucket files

["Deepak Jaiswal (JIRA)" <ji...@apache.org>]

Deepak Jaiswal created HIVE-17939:
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             Summary: 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


 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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