[GitHub] [spark] RussellSpitzer commented on a change in pull request #28617: [SPARK-31694][SQL] Add SupportsPartitions Catalog APIs on DataSourceV2

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RussellSpitzer commented on a change in pull request #28617:
URL: https://github.com/apache/spark/pull/28617#discussion_r456491371



##########
File path: sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/SupportsPartitions.java
##########
@@ -0,0 +1,105 @@
+/*
+ * 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.connector.catalog;
+
+import java.util.Map;
+
+import org.apache.spark.annotation.Experimental;
+
+/**
+ * Catalog methods for working with Partitions.
+ */
+@Experimental
+public interface SupportsPartitions extends TableCatalog {
+
+    /**
+     * Create partitions in an existing table, assuming it exists.
+     *
+     * @param ident a table identifier
+     * @param partitions transforms to use for partitioning data in the table
+     * @param ignoreIfExists
+     */
+    void createPartitions(
+            Identifier ident,
+            TablePartition[] partitions,
+            Boolean ignoreIfExists);
+
+    /**
+     * Drop partitions from a table, assuming they exist.
+     *
+     * @param ident a table identifier
+     * @param partitions a list of string map for existing partitions
+     * @param ignoreIfNotExists
+     */
+    void dropPartitions(
+            Identifier ident,
+            Map<String, String>[] partitions,

Review comment:
       Then is this partitionSpec and not "partition"?




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