/**
* 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.sqoop.tool;
import java.io.IOException;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.util.StringUtils;
import com.cloudera.sqoop.Sqoop;
import com.cloudera.sqoop.SqoopOptions;
import com.cloudera.sqoop.SqoopOptions.InvalidOptionsException;
import com.cloudera.sqoop.cli.RelatedOptions;
import com.cloudera.sqoop.cli.ToolOptions;
import com.cloudera.sqoop.hive.HiveImport;
/**
* Tool that creates a Hive table definition.
*/
public class CreateHiveTableTool extends com.cloudera.sqoop.tool.BaseSqoopTool {
public static final Log LOG = LogFactory.getLog(
CreateHiveTableTool.class.getName());
public CreateHiveTableTool() {
super("create-hive-table");
}
@Override
/** {@inheritDoc} */
public int run(SqoopOptions options) {
if (!init(options)) {
return 1;
}
try {
HiveImport hiveImport = new HiveImport(options, manager,
options.getConf(), false);
hiveImport.importTable(options.getTableName(),
options.getHiveTableName(), true);
} catch (IOException ioe) {
LOG.error("Encountered IOException running create table job: "
+ StringUtils.stringifyException(ioe));
if (System.getProperty(Sqoop.SQOOP_RETHROW_PROPERTY) != null) {
throw new RuntimeException(ioe);
} else {
return 1;
}
} finally {
destroy(options);
}
return 0;
}
@Override
/** Configure the command-line arguments we expect to receive */
public void configureOptions(ToolOptions toolOptions) {
toolOptions.addUniqueOptions(getCommonOptions());
RelatedOptions hiveOpts = getHiveOptions(false);
hiveOpts.addOption(OptionBuilder.withArgName("table-name")
.hasArg()
.withDescription("The db table to read the definition from")
.withLongOpt(TABLE_ARG)
.create());
toolOptions.addUniqueOptions(hiveOpts);
toolOptions.addUniqueOptions(getOutputFormatOptions());
}
@Override
/** {@inheritDoc} */
public void printHelp(ToolOptions toolOptions) {
super.printHelp(toolOptions);
System.out.println("");
System.out.println(
"At minimum, you must specify --connect and --table");
}
@Override
/** {@inheritDoc} */
public void applyOptions(CommandLine in, SqoopOptions out)
throws InvalidOptionsException {
if (in.hasOption(TABLE_ARG)) {
out.setTableName(in.getOptionValue(TABLE_ARG));
}
out.setHiveImport(true);
applyCommonOptions(in, out);
applyHiveOptions(in, out);
applyOutputFormatOptions(in, out);
}
@Override
/** {@inheritDoc} */
public void validateOptions(SqoopOptions options)
throws InvalidOptionsException {
if (hasUnrecognizedArgs(extraArguments)) {
throw new InvalidOptionsException(HELP_STR);
}
validateCommonOptions(options);
validateOutputFormatOptions(options);
validateHiveOptions(options);
if (options.getTableName() == null) {
throw new InvalidOptionsException(
"--table is required for table definition importing." + HELP_STR);
}
}
}