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Posted to issues@drill.apache.org by "Deneche A. Hakim (JIRA)" <ji...@apache.org> on 2015/06/11 21:03:00 UTC
[jira] [Commented] (DRILL-3278) SUM(CAST(columns[0] AS BIGINT))
OVER(...) gives wrong results
[ https://issues.apache.org/jira/browse/DRILL-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14582377#comment-14582377 ]
Deneche A. Hakim commented on DRILL-3278:
-----------------------------------------
It looks like we overflow the sum of a BIGINT column. There is nothing we can do about this
> SUM(CAST(columns[0] AS BIGINT)) OVER(...) gives wrong results
> -------------------------------------------------------------
>
> Key: DRILL-3278
> URL: https://issues.apache.org/jira/browse/DRILL-3278
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Execution - Flow
> Reporter: Deneche A. Hakim
> Assignee: Deneche A. Hakim
> Labels: window_function
> Fix For: 1.1.0
>
> Attachments: 3278-sm.csv
>
>
> The following query return wrong results, there is a difference in actual vs expected results. Expected results were generated on Postgres 9.3
> {noformat}
> SELECT
> SUM(cast( columns[1] as BIGINT ))
> OVER(PARTITION BY cast( columns[2] as CHAR(2)))
> FROM `allData.csv`;
> {noformat}
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