GitHub user navis opened a pull request:
https://github.com/apache/spark/pull/8893
[SPARK-10724] [SQL] SQL's floor() returns DOUBLE
This is a change in behavior from 1.4.1 where {{floor}} returns a BIGINT.
{code}
scala> sql("select floor(1)").printSchema
root
|-- _c0: double (nullable = true)
{code}
In the [Hive Language
Manual|https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF]
{{floor}} is defined to return BIGINT.
This is a significant issue because it changes the DataFrame schema.
I wonder what caused this and whether other SQL functions are affected.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/navis/spark SPARK-10724
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8893.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #8893
----
commit d753294150cb51238121f00b5933df007de968b8
Author: navis.ryu <[email protected]>
Date: 2015-09-24T01:42:47Z
[SPARK-10724] [SQL] SQL's floor() returns DOUBLE
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