Github user jinfengni commented on the pull request:
https://github.com/apache/drill/pull/189#issuecomment-149390932
If the only bug you saw is in Scalar Replacement after turning on CSE for
other operators, would it make sense to open a different JIRA to track the SR
bug, and fix the SR bug there? From what I tried, the run-time generated code
seems to be valid, and would produce the correct query result, if SR is
disabled for that query.
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