viirya commented on a change in pull request #1469: URL: https://github.com/apache/arrow-rs/pull/1469#discussion_r835960661
########## File path: arrow/src/array/equal/union.rs ########## @@ -0,0 +1,171 @@ +// 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. + +use crate::datatypes::Field; +use crate::{ + array::ArrayData, buffer::Buffer, datatypes::DataType, datatypes::UnionMode, +}; + +use super::{ + equal_range, equal_values, utils::child_logical_null_buffer, utils::equal_nulls, +}; + +// Checks if corresponding slots in two UnionArrays are same data types +fn equal_types( Review comment: And two union arrays could be equal even if two fields/type_ids are different. For example, we can change the field position and type_id, but the resulting union array is still the same. -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org