zeroshade commented on code in PR #14255:
URL: https://github.com/apache/arrow/pull/14255#discussion_r982528106
##########
go/arrow/compute/internal/exec/utils.go:
##########
@@ -172,6 +179,11 @@ func GetDataType[T NumericTypes | bool | string]()
arrow.DataType {
return typMap[reflect.TypeOf(z)]
}
+func GetType[T NumericTypes | bool | string]() arrow.Type {
+ var z T
+ return typMap[reflect.TypeOf(z)].ID()
Review Comment:
unfortunately I'm pretty sure there is an actual map lookup at runtime,
making this not something you'd want to do in a tight loop. I primarily use it
during function registration with generics and then use a closure around the
result when creating the kernels
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