jzhuge commented on code in PR #37556: URL: https://github.com/apache/spark/pull/37556#discussion_r1013618805
########## sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/View.java: ########## @@ -0,0 +1,69 @@ +/* + * 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.DeveloperApi; +import org.apache.spark.sql.types.StructType; + +/** + * An interface representing a persisted view. + */ +@DeveloperApi +public interface View { + /** + * A name to identify this view. + */ + String name(); + + /** + * The view query SQL text. + */ + String sql(); + + /** + * The current catalog when the view is created. + */ + String currentCatalog(); + + /** + * The current namespace when the view is created. + */ + String[] currentNamespace(); + + /** + * The schema for the SQL text when the view is created. + */ + StructType schema(); + + /** + * The view column aliases. + */ + String[] columnAliases(); + Review Comment: This is to capture this part in Spark's CREATE VIEW syntax: ``` ( { column_alias [ COMMENT column_comment ] } [, ...] ) ``` Array columnAliases and columnComments must have the same size. #28147 does not have it but we need to add them to maintain existing Spark features. -- 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. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
