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Posted to issues@drill.apache.org by "Sean Hsuan-Yi Chu (JIRA)" <ji...@apache.org> on 2015/06/25 01:17:04 UTC
[jira] [Updated] (DRILL-3360) Window function defined within
another window function
[ https://issues.apache.org/jira/browse/DRILL-3360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Hsuan-Yi Chu updated DRILL-3360:
-------------------------------------
Assignee: Sean Hsuan-Yi Chu (was: Jinfeng Ni)
> Window function defined within another window function
> -------------------------------------------------------
>
> Key: DRILL-3360
> URL: https://issues.apache.org/jira/browse/DRILL-3360
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 1.1.0
> Environment: CentOS 4 node cluster
> Reporter: Khurram Faraaz
> Assignee: Sean Hsuan-Yi Chu
> Labels: window_function
>
> Window function defined within another window function, Postgres 9.3 does not support this, Drill supports it and we see results being returned. We should not support this kind of query.
> From Postgres 9.3
> {code}
> postgres=# select rank() over(order by row_number() over(order by col_int)) from vwOnParq_wCst;
> ERROR: window functions are not allowed in window definitions
> LINE 1: select rank() over(order by row_number() over(order by col_i...
> {code}
> From execution on Drill
> {code}
> 0: jdbc:drill:schema=dfs.tmp> select rank() over(order by row_number() over(order by col_int)) from vwOnParq_wCst;
> +---------+
> | EXPR$0 |
> +---------+
> | 1 |
> | 2 |
> | 3 |
> | 4 |
> | 5 |
> | 6 |
> | 7 |
> | 8 |
> | 9 |
> | 10 |
> | 11 |
> | 12 |
> | 13 |
> | 14 |
> | 15 |
> | 16 |
> | 17 |
> | 18 |
> | 19 |
> | 20 |
> | 21 |
> | 22 |
> | 23 |
> | 24 |
> | 25 |
> | 26 |
> | 27 |
> | 28 |
> | 29 |
> | 30 |
> +---------+
> 30 rows selected (0.377 seconds)
> {code}
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