| /** |
| * 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.hcatalog.data; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map.Entry; |
| |
| import org.apache.hadoop.hive.cli.CliSessionState; |
| import org.apache.hadoop.hive.conf.HiveConf; |
| import org.apache.hadoop.hive.ql.CommandNeedRetryException; |
| import org.apache.hadoop.hive.ql.Driver; |
| import org.apache.hadoop.hive.ql.session.SessionState; |
| import org.apache.hcatalog.MiniCluster; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Helper class for Other Data Testers |
| */ |
| public class HCatDataCheckUtil { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(HCatDataCheckUtil.class); |
| |
| public static Driver instantiateDriver(MiniCluster cluster) { |
| HiveConf hiveConf = new HiveConf(HCatDataCheckUtil.class); |
| for (Entry e : cluster.getProperties().entrySet()) { |
| hiveConf.set(e.getKey().toString(), e.getValue().toString()); |
| } |
| hiveConf.set(HiveConf.ConfVars.PREEXECHOOKS.varname, ""); |
| hiveConf.set(HiveConf.ConfVars.POSTEXECHOOKS.varname, ""); |
| hiveConf.set(HiveConf.ConfVars.HIVE_SUPPORT_CONCURRENCY.varname, "false"); |
| |
| LOG.debug("Hive conf : {}", hiveConf.getAllProperties()); |
| Driver driver = new Driver(hiveConf); |
| SessionState.start(new CliSessionState(hiveConf)); |
| return driver; |
| } |
| |
| public static void generateDataFile(MiniCluster cluster, String fileName) throws IOException { |
| MiniCluster.deleteFile(cluster, fileName); |
| String[] input = new String[50]; |
| for (int i = 0; i < 50; i++) { |
| input[i] = (i % 5) + "\t" + i + "\t" + "_S" + i + "S_"; |
| } |
| MiniCluster.createInputFile(cluster, fileName, input); |
| } |
| |
| public static void createTable(Driver driver, String tableName, String createTableArgs) |
| throws CommandNeedRetryException, IOException { |
| String createTable = "create table " + tableName + createTableArgs; |
| int retCode = driver.run(createTable).getResponseCode(); |
| if (retCode != 0) { |
| throw new IOException("Failed to create table. [" + createTable + "], return code from hive driver : [" + retCode + "]"); |
| } |
| } |
| |
| public static void dropTable(Driver driver, String tablename) throws IOException, CommandNeedRetryException { |
| driver.run("drop table if exists " + tablename); |
| } |
| |
| public static ArrayList<String> formattedRun(Driver driver, String name, String selectCmd) |
| throws CommandNeedRetryException, IOException { |
| driver.run(selectCmd); |
| ArrayList<String> src_values = new ArrayList<String>(); |
| driver.getResults(src_values); |
| LOG.info("{} : {}", name, src_values); |
| return src_values; |
| } |
| |
| |
| public static boolean recordsEqual(HCatRecord first, HCatRecord second) { |
| return (compareRecords(first, second) == 0); |
| } |
| |
| public static int compareRecords(HCatRecord first, HCatRecord second) { |
| return compareRecordContents(first.getAll(), second.getAll()); |
| } |
| |
| public static int compareRecordContents(List<Object> first, List<Object> second) { |
| int mySz = first.size(); |
| int urSz = second.size(); |
| if (mySz != urSz) { |
| return mySz - urSz; |
| } else { |
| for (int i = 0; i < first.size(); i++) { |
| int c = DataType.compare(first.get(i), second.get(i)); |
| if (c != 0) { |
| return c; |
| } |
| } |
| return 0; |
| } |
| } |
| |
| |
| } |