yjshen commented on code in PR #2197:
URL: https://github.com/apache/arrow-datafusion/pull/2197#discussion_r846932443
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datafusion/physical-expr/src/expressions/case.rs:
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@@ -24,7 +24,7 @@ use arrow::compute::kernels::zip::zip;
use arrow::compute::{and, eq_dyn, is_null, not, or, or_kleene};
use arrow::datatypes::{DataType, Schema};
use arrow::record_batch::RecordBatch;
-use datafusion_common::{DataFusionError, Result};
+use datafusion_common::{DataFusionError, Result, ScalarValue};
Review Comment:
```suggestion
use datafusion_common::{DataFusionError, Result};
```
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