[jira] [Created] (DRILL-3358) CUME_DIST window function provides wrong result when only ORDER BY clause is specified

[Abhishek Girish (JIRA)]

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}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)