wmoustafa commented on code in PR #7392:
URL: https://github.com/apache/iceberg/pull/7392#discussion_r1193225755
##########
core/src/main/java/org/apache/iceberg/avro/SchemaToType.java:
##########
@@ -104,13 +104,23 @@ public Type record(Schema record, List<String> names,
List<Type> fieldTypes) {
@Override
public Type union(Schema union, List<Type> options) {
- Preconditions.checkArgument(
- AvroSchemaUtil.isOptionSchema(union), "Unsupported type: non-option
union: %s", union);
- // records, arrays, and maps will check nullability later
- if (options.get(0) == null) {
- return options.get(1);
+ if (AvroSchemaUtil.isOptionSchema(union)) {
+ if (options.get(0) == null) {
+ return options.get(1);
+ } else {
+ return options.get(0);
+ }
} else {
- return options.get(0);
+ // Create list of Iceberg schema fields
+ List<Types.NestedField> fields =
Lists.newArrayListWithExpectedSize(options.size());
+ int tagIndex = 0;
+ fields.add(Types.NestedField.required(allocateId(), "tag",
Types.IntegerType.get()));
+ for (Type option : options) {
+ if (option != null) {
Review Comment:
So this is skipping the optional branch in the union. In this step, its
value is Java's null (see the counterpart simple union if branch -a few lines
before this- which also uses Java's null).
--
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]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
