vinothchandar commented on code in PR #13489: URL: https://github.com/apache/hudi/pull/13489#discussion_r2202157049
########## hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/data/partitioner/ConditionalRangePartitioner.java: ########## @@ -0,0 +1,163 @@ +/* + * 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. + */ + +package org.apache.hudi.data.partitioner; + +import org.apache.hudi.common.util.ValidationUtils; + +import org.apache.spark.Partitioner; +import org.apache.spark.api.java.JavaPairRDD; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Comparator; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +import scala.Tuple2; + +/** + * Partitioner that partitions the data based on the value ranges of the keys. + * + * It is used to partition the data into a fixed number of partitions, so that: + * 1. The keys are sorted within each partition. + * 2. There is at most only 1 key per partition. + * 3. For partitions containing entries of the same key, the value ranges are not overlapping. + */ +public class ConditionalRangePartitioner<S extends Comparable<S>, V extends Comparable<V>> extends Partitioner { Review Comment: review this fully in the next iteration -- 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]
