getChan commented on code in PR #23807:
URL: https://github.com/apache/datafusion/pull/23807#discussion_r3632278835
##########
datafusion/physical-expr/src/expressions/cast.rs:
##########
@@ -214,8 +214,18 @@ pub(crate) fn cast_expr_properties(
target_type: &DataType,
) -> Result<ExprProperties> {
let unbounded = Interval::make_unbounded(target_type)?;
- if is_order_preserving_cast_family(&child.range.data_type(), target_type) {
- Ok(child.clone().with_range(unbounded))
+ let source_type = child.range.data_type();
+ // A widening cast is additionally one-to-one, so it is strictly
Review Comment:
filed. https://github.com/apache/datafusion/issues/23808
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