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From "hyoungjunkim (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TAJO-350) Implement round, floor, ceil
Date Sun, 01 Dec 2013 06:16:35 GMT
hyoungjunkim created TAJO-350:
---------------------------------

             Summary: Implement round, floor, ceil
                 Key: TAJO-350
                 URL: https://issues.apache.org/jira/browse/TAJO-350
             Project: Tajo
          Issue Type: New Feature
            Reporter: hyoungjunkim
            Priority: Minor


h3. Function Definition
{code}
INT8 round(value FLOAT8)
INT8 floor(value FLOAT8)
INT8 ceil(value FLOAT8)
{code}

h3. Example
round
{code}
select round(5.1) => 5
select round(5.5) => 6
select round(5.6) => 6
select round(-5.1) => -5
select round(-5.5) => -6
select round(-5.6) => -6
{code}

floor
{code}
select round(5.1) => 5
select round(5.5) => 5
select round(-5.1) => -6
select round(-5.6) => -6
{code}

ceil
{code}
select round(5.1) => 6
select round(5.5) => 6
select round(-5.1) => -5
select round(-5.6) => -5
{code}



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