zeroshade commented on code in PR #34631:
URL: https://github.com/apache/arrow/pull/34631#discussion_r1164420192
##########
go/internal/types/extension_types.go:
##########
@@ -209,13 +209,13 @@ func (UUIDType) ExtensionName() string { return "uuid" }
func (UUIDType) Serialize() string { return "uuid-serialized" }
// Deserialize expects storageType to be FixedSizeBinaryType{ByteWidth: 16}
and the data to be
-// "uuid-serialized" in order to correctly create a UuidType for testing
deserialize.
+// "uuid-serialized" in order to correctly create a UUIDType for testing
deserialize.
func (UUIDType) Deserialize(storageType arrow.DataType, data string)
(arrow.ExtensionType, error) {
if string(data) != "uuid-serialized" {
return nil, fmt.Errorf("type identifier did not match: '%s'",
string(data))
}
- if !arrow.TypeEqual(storageType, &arrow.FixedSizeBinaryType{ByteWidth:
16}) {
- return nil, fmt.Errorf("invalid storage type for UuidType: %s",
storageType.Name())
+ if !storageTypeEqual(storageType, &arrow.FixedSizeBinaryType{ByteWidth:
16}) {
Review Comment:
I'm still a little confused here, what's the situation (or string of events)
where Deserialize is being called on something that *is already* an extension
type? Shouldn't `Deserialize` only get called if the type isn't yet an
extension type and we have metadata saying it should be?
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