viirya opened a new issue, #3344:
URL: https://github.com/apache/arrow-rs/issues/3344
**Describe the bug**
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The functions like `unary_dyn` fails to compute if it finds inequality
between array type and operation operand type:
For decimal types, just precision/scale can also fail the type equality.
Because decimal types have default precision and scale, such check makes no
sense for decimal types:
```
NotYetImplemented("Cannot perform unary operation of type Decimal128(38, 10)
on array of type Decim
al128(38, 2)")'
```
This makes scalar arithmetic kernels cannot work on decimal types mostly.
**To Reproduce**
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**Expected behavior**
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**Additional context**
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