[SPARK-24253][SQL] Add DeleteSupport mix-in for DataSourceV2.

sql/core/src/main/java/org/apache/spark/sql/sources/v2/DeleteSupport.java

@@ -0,0 +1,46 @@
+/*
+ * 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.spark.sql.sources.v2;
+
+import org.apache.spark.sql.sources.Filter;
+
+/**
+ * A mix-in interface for {@link DataSourceV2} delete support. Data sources can implement this
+ * interface to provide the ability to delete data from tables that matches filter expressions.
+ * <p>
+ * Data sources must implement this interface to support logical operations that combine writing
+ * data with deleting data, like overwriting partitions.
+ */
+public interface DeleteSupport extends DataSourceV2 {
+  /**
+   * Delete data from a data source table that matches filter expressions.
+   * <p>
+   * Rows are deleted from the data source iff all of the filter expressions match. That is, the
+   * expressions must be interpreted as a set of filters that are ANDed together.
+   * <p>
+   * Implementations may reject a delete operation if the delete isn't possible without significant
+   * effort. For example, partitioned data sources may reject deletes that do not filter by
+   * partition columns because the filter may require rewriting files without deleted records.
+   * To reject a delete implementations should throw {@link IllegalArgumentException} with a clear
+   * error message that identifies which expression was rejected.
+   *
+   * @param filters filter expressions, used to select rows to delete when all expressions match
+   * @throws IllegalArgumentException If the delete is rejected due to required effort
+   */
+  void deleteWhere(Filter[] filters);
+}