Sean Hsuan-Yi Chu created DRILL-1778:
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Summary: upper, lower operators sometimes fail the JVM or return
duplicated columns
Key: DRILL-1778
URL: https://issues.apache.org/jira/browse/DRILL-1778
Project: Apache Drill
Issue Type: Bug
Components: Execution - Operators
Environment: Embedded Mode
Reporter: Sean Hsuan-Yi Chu
*. The cases the operators pass through
1. select *, upper(TABLE_NAME) from INFORMATION_SCHEMA.`TABLES`;
2. select upper(TABLE_NAME), * from INFORMATION_SCHEMA.`TABLES`;
*. The cases the operators fail
1. select upper(first_name),* from cp.`employee.json` limit 2
=> upper(first_name) was repeated "twice".
2. select *, upper(first_name) from cp.`employee.json` limit 2
=> Crashed JVM entirely
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