Jesus Camacho Rodriguez created HIVE-19073:
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Summary: StatsOptimizer may mangle constant columns
Key: HIVE-19073
URL: https://issues.apache.org/jira/browse/HIVE-19073
Project: Hive
Issue Type: Bug
Components: Physical Optimizer
Affects Versions: 1.2.2
Reporter: Jesus Camacho Rodriguez
Assignee: Jesus Camacho Rodriguez
Following query is giving wrong result:
{code:sql}
SELECT DATE_SUB(CURRENT_DATE,0) as GROUP_BY_FIELD, count (*) as src_cnt from
mytable WHERE 1=1 group by DATE_SUB(CURRENT_DATE,0);
+-----------------+----------+--+
| group_by_field | src_cnt |
+-----------------+----------+--+
| 239 | NULL |
+-----------------+----------+--+
1 row selected (5.175 seconds)
{code}
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