jorgecarleitao commented on a change in pull request #8076:
URL: https://github.com/apache/arrow/pull/8076#discussion_r480820539
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File path: rust/datafusion/src/execution/physical_plan/expressions.rs
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@@ -991,48 +991,36 @@ impl fmt::Display for BinaryExpr {
}
}
-// Returns a formatted error about being impossible to coerce types for the
binary operator.
-fn coercion_error<T>(
- lhs_type: &DataType,
- op: &Operator,
- rhs_type: &DataType,
-) -> Result<T> {
+// Returns a formatted error about being impossible to coerce types to a
common type
+fn coercion_error<T>(lhs_type: &DataType, rhs_type: &DataType) -> Result<T> {
Err(ExecutionError::General(
format!(
- "The binary operator '{}' can't evaluate with lhs = '{:?}' and rhs
= '{:?}'",
Review comment:
I also agree. I've added a test to the error message to contain the
operator, and made code pass the test.
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