CTTY commented on code in PR #1917: URL: https://github.com/apache/iceberg-rust/pull/1917#discussion_r2604778180
########## crates/iceberg/src/arrow/id_assigner.rs: ########## @@ -0,0 +1,359 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +//! Arrow schema field ID assignment using breadth-first traversal + +use std::sync::Arc; + +use arrow_schema::{DataType, Fields, Schema as ArrowSchema, TimeUnit}; + +use super::get_field_doc; +use crate::error::Result; +use crate::spec::{ + ListType, MapType, NestedField, NestedFieldRef, PrimitiveType, Schema, StructType, Type, +}; +use crate::{Error, ErrorKind}; + +/// Helper for assigning field IDs using breadth-first traversal. +/// +/// This struct implements BFS traversal to assign field IDs level-by-level, +/// similar to how `ReassignFieldIds` works in the spec module. All fields at +/// one level are assigned IDs before descending to nested fields. +pub(super) struct ArrowSchemaIdAssigner { Review Comment: Maybe we should just move this to `schema.rs`? Also I'm planning to revisit this class -- 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]
