aokolnychyi commented on a change in pull request #2415: URL: https://github.com/apache/iceberg/pull/2415#discussion_r627719406
########## File path: api/src/main/java/org/apache/iceberg/actions/DropTable.java ########## @@ -0,0 +1,72 @@ +/* + * 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.iceberg.actions; + +import java.util.concurrent.ExecutorService; +import java.util.function.Consumer; + +/** + * An action that deletes data, manifest, manifest lists in a table. + * <p> + * Reuires query engine to distribute parts of the work. + */ +public interface DropTable extends Action<DropTable, DropTable.Result> { + + /** + * Passes an alternative delete implementation that will be used for manifests and data files. + * <p> + * + * @param deleteFunc a function that will be called to delete manifests and data files + * @return this for method chaining + */ + DropTable deleteWith(Consumer<String> deleteFunc); Review comment: My worry with the distributed deletes is that we will need to coalesce all records into a smaller number of partitions, potentially having too large Spark tasks. If we have too many files to clean, streaming the results one partition at a time may be more scalable. I think it is okay to do whatever we do today with stream-results and using a thread pool on the driver. We can reconsider it later. -- 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. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
