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From "Pritesh Maker (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (DRILL-520) ceiling/ceil and floor functions return decimal value instead of an integer
Date Wed, 07 Mar 2018 23:10:01 GMT

     [ https://issues.apache.org/jira/browse/DRILL-520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pritesh Maker reassigned DRILL-520:
-----------------------------------

    Assignee: Karthikeyan Manivannan  (was: Jinfeng Ni)

> ceiling/ceil and floor functions return decimal value instead of an integer
> ---------------------------------------------------------------------------
>
>                 Key: DRILL-520
>                 URL: https://issues.apache.org/jira/browse/DRILL-520
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Functions - Drill
>    Affects Versions: 1.0.0
>            Reporter: Krystal
>            Assignee: Karthikeyan Manivannan
>            Priority: Critical
>             Fix For: Future
>
>         Attachments: DRILL-520.patch
>
>
> Ran the following queries in drill:
> 0: jdbc:drill:schema=dfs> select ceiling(55.8) from dfs.`student` where rownum=11;
> +------------+
> |   EXPR$0   |
> +------------+
> | 56.0       |
> +------------+
> 0: jdbc:drill:schema=dfs> select floor(55.8) from dfs.`student` where rownum=11;
> +------------+
> |   EXPR$0   |
> +------------+
> | 55.0       |
> +------------+
> The same queries executed from oracle, postgres and mysql returned integer values of
56 and 55.
> Found the following description of the two functions from http://users.atw.hu/sqlnut/sqlnut2-chp-4-sect-4.html
:
> Ceil/Ceiling:
> Rounds a noninteger value upwards to the next greatest integer. Returns an integer value
unchanged.
> Floor:
> Rounds a noninteger value downwards to the next least integer. Returns an integer value
unchanged.



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