Yi Zhou created SPARK-10866:
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Summary: [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
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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