liukun4515 commented on a change in pull request #1073:
URL: https://github.com/apache/arrow-rs/pull/1073#discussion_r773637348
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File path: arrow/src/compute/kernels/cast.rs
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@@ -108,6 +112,8 @@ pub fn can_cast_types(from_type: &DataType, to_type:
&DataType) -> bool {
| Dictionary(_, _),
Null,
) => true,
+ (Decimal(_, _), _) => false,
Review comment:
All data types expect above signed numeric data type, the result will be
false with decimal.
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