deniskuzZ commented on code in PR #6789: URL: https://github.com/apache/hive/pull/6789#discussion_r4135183484
########## iceberg/iceberg-rest-catalog-client/src/main/java/org/apache/iceberg/hive/rest/catalog/RestCatalogScanPlanning.java: ########## @@ -0,0 +1,201 @@ +/* + * 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 + * limitations under the License. + */ + +package org.apache.iceberg.hive.rest.catalog; + +import java.util.Map; +import org.apache.commons.lang3.StringUtils; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.hive.conf.HiveConf; +import org.apache.hadoop.hive.metastore.conf.MetastoreConf; +import org.apache.iceberg.CatalogUtil; +import org.apache.iceberg.hive.IcebergCatalogProperties; +import org.apache.iceberg.rest.RESTCatalogProperties; + +/** + * Utilities for Iceberg REST catalog server-side scan planning configuration. + * + * <p>When a REST catalog server advertises the scan-planning endpoints and + * {@link RESTCatalogProperties#SCAN_PLANNING_MODE} is set to + * {@link RESTCatalogProperties.ScanPlanningMode#SERVER}, Iceberg's {@code RESTSessionCatalog} returns a + * {@code RESTTable} that delegates {@code planTasks()} to the server. Hive's + * {@code IcebergInputFormat} calls {@code scan.planTasks()} via + * {@link org.apache.iceberg.mr.hive.HiveTableUtil#resolveTableForScanPlanning}, which reloads the + * live REST catalog table (instead of a serialized metadata snapshot) when server mode is enabled and + * {@link HiveConf.ConfVars#HIVE_ICEBERG_REST_SERVER_SIDE_SCAN_PLANNING_ENABLED} is true. + * Operators can use this helper or set catalog {@code scan-planning-mode} directly in {@code hive-site.xml}. + * + * <p>Tests: {@code TestRestCatalogScanPlanning} in {@code iceberg-rest-catalog-client}; + * {@code TestHiveIcebergServerSideScanPlanning} in {@code iceberg-handler}; embedded REST server + * tests {@code TestRestCatalogScanPlanningServerIT} and {@code TestHiveIcebergServerSideScanPlanningServerIT} + * in {@code itests/hive-iceberg-rest-server}. + * + * @see <a href="https://iceberg.apache.org/docs/latest/catalog-properties/";>REST catalog properties</a> + */ +public final class RestCatalogScanPlanning { + + private RestCatalogScanPlanning() { + } + + public static String catalogPropertyKey(String catalogName) { + return IcebergCatalogProperties.catalogPropertyConfigKey( + catalogName, RESTCatalogProperties.SCAN_PLANNING_MODE); + } + + public static void setScanPlanningMode( + Configuration conf, String catalogName, RESTCatalogProperties.ScanPlanningMode mode) { + conf.set(catalogPropertyKey(catalogName), mode.modeName()); + } + + public static void setScanPlanningMode(Configuration conf, String catalogName, String mode) { + setScanPlanningMode(conf, catalogName, RESTCatalogProperties.ScanPlanningMode.fromString(mode)); + } + + public static RESTCatalogProperties.ScanPlanningMode getScanPlanningMode( Review Comment: naming seems to repeat class name -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
