Hyunsik Choi created TAJO-146:
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Summary: Complex expressions in group-by clause should be supported
Key: TAJO-146
URL: https://issues.apache.org/jira/browse/TAJO-146
Project: Tajo
Issue Type: Improvement
Components: physical operator, planner/optimizer
Reporter: Hyunsik Choi
Fix For: 0.2-incubating
Complex expressions in group-by clause should be supported.
{code}
FROM
table1
GROUP BY
col1,
CASE upper(col2)
WHEN 'ABC' THEN
col2
ELSE 'XXX')
END,
col3,
trim(appindex), ...
{code}
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