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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-6327) A few mathematic functions don't take decimal input
Date Tue, 28 Jan 2014 22:29:31 GMT
Xuefu Zhang created HIVE-6327:
---------------------------------

             Summary: A few mathematic functions don't take decimal input
                 Key: HIVE-6327
                 URL: https://issues.apache.org/jira/browse/HIVE-6327
             Project: Hive
          Issue Type: Improvement
    Affects Versions: 0.12.0, 0.11.0
            Reporter: Xuefu Zhang
            Assignee: Xuefu Zhang


A few mathematical functions, such as sin() cos(), etc. don't take decimal as argument.
{code}
hive> show tables;
OK
Time taken: 0.534 seconds
hive> create table test(d decimal(5,2));
OK
Time taken: 0.351 seconds
hive> select sin(d) from test;
FAILED: SemanticException [Error 10014]: Line 1:7 Wrong arguments 'd': No matching method
for class org.apache.hadoop.hive.ql.udf.UDFSin with (decimal(5,2)). Possible choices: _FUNC_(double)
 
{code}

HIVE-6246 covers only sign() function. The remaining ones, including sin, cos, tan, asin,
acos, atan, exp, log, log10, log2, radians, and sqrt. These are non-generic UDFs.




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