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https://issues.apache.org/jira/browse/DRILL-520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13969852#comment-13969852
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Jinfeng Ni commented on DRILL-520:
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I will provide a fix to change the target type for ceil/floor function to
integer type.
> 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
> Affects Versions: 1.0.0
> Reporter: Krystal
> Assignee: Jinfeng Ni
>
> 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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