hyoungjunkim created TAJO-350:
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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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