dttung2905 commented on code in PR #605:
URL: https://github.com/apache/iceberg-go/pull/605#discussion_r2539771542
##########
table/arrow_utils.go:
##########
@@ -616,6 +616,13 @@ func (c convertToArrow) VisitUUID() arrow.Field {
return arrow.Field{Type: extensions.NewUUIDType()}
}
+func (c convertToArrow) VisitUnknown() arrow.Field {
+ // UnknownType cannot be converted to Arrow as it has no concrete
representation
+ panic("cannot convert UnknownType to Arrow schema")
+}
Review Comment:
Do you think it makes sense to provide something like this ? I'm using Null
as the storage type since UnknownType fields are always null
```
func (c convertToArrow) VisitUnknown() arrow.Field {
return arrow.Field{
Type: extensions.NewOpaqueType(arrow.Null, "unknown",
"apache.iceberg"),
}
}
```
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