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Date: Tue, 15 Sep 2015 18:25:45 +0000 (UTC)
From: "Victoria Markman (JIRA)" <jira@apache.org>
To: issues@drill.apache.org
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Subject: [jira] [Commented] (DRILL-3189) Disable ALLOW PARTIAL/DISALLOW
 PARTIAL in window function grammar
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    [ https://issues.apache.org/jira/browse/DRILL-3189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14745884#comment-14745884 ] 

Victoria Markman commented on DRILL-3189:
-----------------------------------------

Since we decided not to support "ROWS" syntax for now, it's not possible to verify this fix.

> Disable ALLOW PARTIAL/DISALLOW PARTIAL in window function grammar
> -----------------------------------------------------------------
>
>                 Key: DRILL-3189
>                 URL: https://issues.apache.org/jira/browse/DRILL-3189
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 1.0.0
>            Reporter: Victoria Markman
>            Assignee: Sean Hsuan-Yi Chu
>            Priority: Critical
>              Labels: window_function
>             Fix For: 1.2.0
>
>
> It does not seem to be implemented on the drill side. Looks like Calcite specific grammar. Don't see it SQL Standard.
> Looks like wrong result:
> {code}
> 0: jdbc:drill:schema=dfs> select a2, sum(a2) over(partition by a2 order by a2 rows between 1 preceding and 1 following disallow partial) from t2 order by a2;
> +-----+---------+
> | a2  | EXPR$1  |
> +-----+---------+
> | 0   | null    |
> | 1   | null    |
> | 2   | 6       |
> | 2   | 6       |
> | 2   | 6       |
> | 3   | null    |
> | 4   | null    |
> | 5   | null    |
> | 6   | null    |
> | 7   | 14      |
> | 7   | 14      |
> | 8   | null    |
> | 9   | null    |
> +-----+---------+
> 13 rows selected (0.213 seconds)
> {code}
> {code}
> 0: jdbc:drill:schema=dfs> select a2, sum(a2) over(partition by a2 order by a2 rows between 1 preceding and 1 following allow partial) from t2 order by a2;
> +-----+---------+
> | a2  | EXPR$1  |
> +-----+---------+
> | 0   | 0       |
> | 1   | 1       |
> | 2   | 6       |
> | 2   | 6       |
> | 2   | 6       |
> | 3   | 3       |
> | 4   | 4       |
> | 5   | 5       |
> | 6   | 6       |
> | 7   | 14      |
> | 7   | 14      |
> | 8   | 8       |
> | 9   | 9       |
> +-----+---------+
> 13 rows selected (0.208 seconds)
> {code}
> {code}
> 0: jdbc:drill:schema=dfs> select a2, sum(a2) over(partition by a2 order by a2 disallow partial) from t2 order by a2;
> Error: PARSE ERROR: From line 1, column 53 to line 1, column 68: Cannot use DISALLOW PARTIAL with window based on RANGE
> [Error Id: 984c4b81-9eb0-401d-b36a-9580640b4a78 on atsqa4-133.qa.lab:31010] (state=,code=0)
> {code}


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