kiszk commented on a change in pull request #8011:
URL: https://github.com/apache/arrow/pull/8011#discussion_r473781339
##########
File path: go/arrow/type_traits_decimal128.go
##########
@@ -39,8 +40,13 @@ func (decimal128Traits) BytesRequired(n int) int { return
Decimal128SizeBytes *
// PutValue
func (decimal128Traits) PutValue(b []byte, v decimal128.Num) {
- binary.LittleEndian.PutUint64(b[:8], uint64(v.LowBits()))
- binary.LittleEndian.PutUint64(b[8:], uint64(v.HighBits()))
+ if runtime.GOARCH == "s390x" {
Review comment:
Good point.
Can we use `const` at the package level? For example,
```
package ...
const BigEndian = runtime.GOARCH == "s390x"
```
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