liukun4515 commented on code in PR #2376:
URL: https://github.com/apache/arrow-rs/pull/2376#discussion_r941921274
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arrow/src/array/data.rs:
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@@ -401,11 +401,17 @@ impl ArrayData {
#[inline]
pub(crate) fn with_data_type(mut self, new_data_type: DataType) -> Self {
assert!(
- matches!(self.data_type, DataType::Decimal128(_, _)),
+ matches!(
Review Comment:
Can we change from the data type of decimal128array to decimal256array?
We can't change the type of decimal128array to decimal256(p,s), I think
decimal128 and decimal256 are diff data type. Each value has diff length and
layout between decimal128array and decimal256array.
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