liukun4515 commented on a change in pull request #1394:
URL: https://github.com/apache/arrow-datafusion/pull/1394#discussion_r762516424
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File path: datafusion/src/scalar.rs
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@@ -453,6 +477,26 @@ macro_rules! eq_array_primitive {
}
impl ScalarValue {
+ /// Create a decimal Scalar from value/precision and scale.
+ pub fn try_new_decimal128(
+ value: i128,
+ precision: usize,
+ scale: usize,
+ ) -> Result<Self> {
+ // make sure the precision and scale is valid
+ // TODO const the max precision and min scale
Review comment:
>
Yes, now in the arrow-rs the decimal256 has not been implemented.
In the arrow-go, it is also not implemented too.
Just in the arrow-java and arrow-c++, the bitwith of 256 has been
implemented.
@capkurmagati
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