Sean Hsuan-Yi Chu created DRILL-2207:
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Summary: Union All on two tables with different column names give
confusing result
Key: DRILL-2207
URL: https://issues.apache.org/jira/browse/DRILL-2207
Project: Apache Drill
Issue Type: Bug
Components: Query Planning & Optimization
Reporter: Sean Hsuan-Yi Chu
Assignee: Sean Hsuan-Yi Chu
Priority: Critical
For instance,
(select n_name from cp.`tpch/nation.parquet` limit 1)" +
"UNION ALL " +
"(select r_name from cp.`tpch/region.parquet` limit 1);
returns:
n_name
ALGERIA
r_name
AFRICA
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