TPC-H Query 14

[alamb]

Note: migrated from original JIRA: https://issues.apache.org/jira/browse/ARROW-11527

CASE WHEN expressions are not coerced yet, query fails with error "false_values downcast failed"

{{thread 'tokio-runtime-worker' panicked at 'false_values downcast failed', datafusion/src/physical_plan/expressions/case.rs:216:30}}

[xudong963]

The issue can also be closed @alamb

[houqp]

🎉 good work @xudong963 !

[alamb]

Thanks again @xudong963