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https://issues.apache.org/jira/browse/SPARK-10866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davies Liu resolved SPARK-10866.
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Resolution: Fixed
Fix Version/s: 1.6.0
Issue resolved by pull request 8933
[https://github.com/apache/spark/pull/8933]
> [Spark SQL] [UDF] the floor function got wrong return value type
> ----------------------------------------------------------------
>
> Key: SPARK-10866
> URL: https://issues.apache.org/jira/browse/SPARK-10866
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.5.0
> Reporter: Yi Zhou
> Fix For: 1.6.0
>
>
> As per floor definition,it should get BIGINT return value
> -floor(DOUBLE a)
> -Returns the maximum BIGINT value that is equal to or less than a.
> But in current Spark implementation, it got wrong value type.
> e.g.,
> select floor(2642.12) from udf_test_web_sales limit 1;
> 2642.0
> In hive implementation, it got return value type like below:
> hive> select ceil(2642.12) from udf_test_web_sales limit 1;
> OK
> 2642
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