Github user rdblue commented on a diff in the pull request:
https://github.com/apache/spark/pull/21306#discussion_r200170480
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/sources/v2/catalog/Table.java ---
@@ -0,0 +1,59 @@
+/*
+ * 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.catalog;
+
+import org.apache.spark.sql.catalyst.expressions.Expression;
+import org.apache.spark.sql.types.StructType;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Represents table metadata from a {@link DataSourceCatalog}.
+ */
+public interface Table {
--- End diff --
This interface is for named tables, not path-based tables. I think that
would probably be a different interface because not all sources can support
path-based tables. Cassandra and JDBC are good examples.
For the table metadata, I think we do need partitions. Iceberg creates
partitioned tables and I'd like to start getting the DDL operations working.
This is why I proposed this metadata on the SPIP a few months ago. We seem to
have lazy consensus around it.
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