alamb commented on code in PR #1677:
URL: https://github.com/apache/arrow-rs/pull/1677#discussion_r869664364
##########
arrow/src/datatypes/datatype.rs:
##########
@@ -499,6 +499,52 @@ impl DataType {
))
}
}
+ Some(s) if s == "union" => {
+ if let Some(Value::String(mode)) = map.get("mode") {
+ let union_mode = if mode == "SPARSE" {
+ UnionMode::Sparse
+ } else if mode == "DENSE" {
+ UnionMode::Dense
+ } else {
+ return Err(ArrowError::ParseError(format!(
+ "Unknown union mode {:?} for union",
+ mode
+ )));
+ };
+ if let Some(type_ids) = map.get("typeIds") {
+ let type_ids = type_ids
+ .as_array()
+ .unwrap()
+ .iter()
+ .map(|t| t.as_i64().unwrap())
+ .collect::<Vec<_>>();
+
+ let default_fields = type_ids
+ .iter()
+ .map(|t| {
+ Field::new("", DataType::Boolean,
true).with_metadata(
Review Comment:
is it cool to have a field without a name 🤔
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
