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Posted to issues@drill.apache.org by "Deneche A. Hakim (JIRA)" <ji...@apache.org> on 2016/01/20 03:57:40 UTC
[jira] [Created] (DRILL-4289) window functions give different
results if star is used in inner query
Deneche A. Hakim created DRILL-4289:
---------------------------------------
Summary: window functions give different results if star is used in inner query
Key: DRILL-4289
URL: https://issues.apache.org/jira/browse/DRILL-4289
Project: Apache Drill
Issue Type: Bug
Components: Query Planning & Optimization
Affects Versions: 1.5.0
Reporter: Deneche A. Hakim
The following queries give different results, although they are similar:
{noformat}
SELECT position_id, COUNT(*) OVER w AS `count` FROM (SELECT position_id FROM `/b1p2tbl` ORDER BY employee_id, sub) WINDOW w AS (PARTITION BY position_id);
+--------------+--------+
| position_id | count |
+--------------+--------+
| 1 | 10 |
| 1 | 10 |
| 1 | 10 |
| 1 | 10 |
| 1 | 10 |
| 1 | 10 |
| 1 | 10 |
| 1 | 10 |
| 1 | 10 |
| 1 | 10 |
| 2 | 10 |
| 2 | 10 |
| 2 | 10 |
| 2 | 10 |
| 2 | 10 |
| 2 | 10 |
| 2 | 10 |
| 2 | 10 |
| 2 | 10 |
| 2 | 10 |
+--------------+--------+
{noformat}
{noformat}
SELECT position_id, COUNT(*) OVER w AS `count` FROM (SELECT * FROM dfs.data.`b1p2tbl` ORDER BY employee_id, sub) WINDOW w AS (PARTITION BY position_id);
+--------------+--------+
| position_id | count |
+--------------+--------+
| 1 | 20 |
| 1 | 20 |
| 1 | 20 |
| 1 | 20 |
| 1 | 20 |
| 1 | 20 |
| 1 | 20 |
| 1 | 20 |
| 1 | 20 |
| 1 | 20 |
| 2 | 20 |
| 2 | 20 |
| 2 | 20 |
| 2 | 20 |
| 2 | 20 |
| 2 | 20 |
| 2 | 20 |
| 2 | 20 |
| 2 | 20 |
| 2 | 20 |
+--------------+--------+
{noformat}
the results of the second query are incorrect.
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