aokolnychyi commented on a change in pull request #1335:
URL: https://github.com/apache/iceberg/pull/1335#discussion_r470923002
##########
File path:
parquet/src/main/java/org/apache/iceberg/parquet/MessageTypeToType.java
##########
@@ -56,36 +60,38 @@
@Override
public Type message(MessageType message, List<Type> fields) {
- return struct(message, fields);
+ Type struct = struct(message, fields);
+ return struct != null ? struct : Types.StructType.of(Lists.newArrayList());
}
@Override
public Type struct(GroupType struct, List<Type> fieldTypes) {
- if (struct == root) {
- nextId = 1; // use the reserved IDs for the root struct
- }
-
List<org.apache.parquet.schema.Type> parquetFields = struct.getFields();
- List<Types.NestedField> fields =
Lists.newArrayListWithExpectedSize(fieldTypes.size());
+ List<Types.NestedField> fields = Lists.newArrayList();
Review comment:
Agree
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