[GitHub] [iceberg] RussellSpitzer commented on a change in pull request #2415: Add an action to drop table

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RussellSpitzer commented on a change in pull request #2415:
URL: https://github.com/apache/iceberg/pull/2415#discussion_r607798988



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File path: api/src/main/java/org/apache/iceberg/actions/DropTable.java
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@@ -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:
       Since unlike expire snapshots, this doesn't have a single threaded predecessor, I think it may make sense to use a serializable consumer here (which we would have to add as an interface) so that the implementation could delete on executors as well. I wanted to do this on expire snapshots but I think i missed the boat on that.




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