haymant1998 commented on a change in pull request #1978: URL: https://github.com/apache/hive/pull/1978#discussion_r577417488
########## File path: ql/src/java/org/apache/hadoop/hive/ql/exec/repl/NotTask.java ########## @@ -0,0 +1,70 @@ +/* + * 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.hadoop.hive.ql.exec.repl; + +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.hive.metastore.HiveMetaStoreClient; +import org.apache.hadoop.hive.metastore.conf.MetastoreConf; +import org.apache.hadoop.hive.ql.ErrorMsg; +import org.apache.hadoop.hive.ql.exec.Task; +import org.apache.hadoop.hive.ql.exec.repl.util.ReplUtils; +import org.apache.hadoop.hive.ql.metadata.Hive; +import org.apache.hadoop.hive.ql.parse.SemanticException; +import org.apache.hadoop.hive.ql.parse.repl.dump.Utils; +import org.apache.hadoop.hive.ql.plan.api.StageType; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import java.io.Serializable; + +public class NotTask extends Task<NotWork> implements Serializable { + private static final long serialVersionUID = 1L; + private Logger LOG = LoggerFactory.getLogger(AckTask.class); + + @Override + public int execute() { + try { + conf.set(MetastoreConf.ConfVars.TRANSACTIONAL_EVENT_LISTENERS.getHiveName(), + "org.apache.hive.hcatalog.listener.DbNotificationListener"); // turn on db notification listener on metastore + HiveMetaStoreClient metaStoreClient = new HiveMetaStoreClient(conf); + long currentNotificationID = metaStoreClient.getCurrentNotificationEventId().getEventId(); + Path notificationPath = work.getNotificationFilePath(); + Utils.writeOutput(String.valueOf(currentNotificationID), notificationPath, conf); + LOG.info("Created Notification file : {} ", notificationPath); + } catch (Exception e) { + e.printStackTrace(); + } + return 0; + } + + @Override + public StageType getType() { + return StageType.ACK; Review comment: Because _notification_id is created alongside creation of dump ACK file. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
