[jira] [Created] (SPARK-17494) Floor function rounds up during join

[Gokhan Civan (JIRA)]

Gokhan Civan created SPARK-17494:
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             Summary: Floor function rounds up during join
                 Key: SPARK-17494
                 URL: https://issues.apache.org/jira/browse/SPARK-17494
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.6.1
            Reporter: Gokhan Civan


If you create tables as follows:

create table a as select 'A' as str, cast(10.5 as decimal(15,6)) as num;
create table b as select 'A' as str;

Then

select floor(num) from a;

returns 10
but

select floor(num) from a join b on a.str = b.str;

returns 11



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