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From "Abhishek Girish (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-3358) CUME_DIST window function provides wrong result when only ORDER BY clause is specified
Date Wed, 24 Jun 2015 20:37:04 GMT
Abhishek Girish created DRILL-3358:
--------------------------------------

             Summary: CUME_DIST window function provides wrong result when only ORDER BY clause
is specified
                 Key: DRILL-3358
                 URL: https://issues.apache.org/jira/browse/DRILL-3358
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning & Optimization
    Affects Versions: 1.1.0
            Reporter: Abhishek Girish
            Assignee: Deneche A. Hakim


*Drill:*
{code:sql}
> SELECT CUME_DIST() OVER (ORDER BY ss.ss_store_sk) FROM store_sales ss ORDER BY 1 LIMIT
20;
+---------------------+
|       EXPR$0        |
+---------------------+
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
| 0.9923989432198661  |
+---------------------+
20 rows selected (17.317 seconds)
{code}

*Postgres*
{code:sql}
# SELECT CUME_DIST() OVER (ORDER BY ss.ss_store_sk) FROM store_sales ss ORDER BY 1 LIMIT 20;
     cume_dist    

-------------------
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
 0.158622193275665
(20 rows)
{code}



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