/*
* 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.accumulo.shell.commands;
import org.apache.accumulo.shell.Shell;
import org.apache.accumulo.shell.Shell.Command;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.hadoop.io.Text;
public class DeleteRowsCommand extends Command {
private Option forceOpt;
@Override
public int execute(final String fullCommand, final CommandLine cl, final Shell shellState) throws Exception {
final String tableName = OptUtil.getTableOpt(cl, shellState);
final Text startRow = OptUtil.getStartRow(cl);
final Text endRow = OptUtil.getEndRow(cl);
if (!cl.hasOption(forceOpt.getOpt()) && (startRow == null || endRow == null)) {
shellState.getReader().println("Not deleting unbounded range. Specify both ends, or use --force");
return 1;
}
shellState.getConnector().tableOperations().deleteRows(tableName, startRow, endRow);
return 0;
}
@Override
public String description() {
return "deletes a range of rows in a table. Note that rows matching the start row ARE NOT deleted, but rows matching the end row ARE deleted.";
}
@Override
public int numArgs() {
return 0;
}
@Override
public Options getOptions() {
final Options o = new Options();
forceOpt = new Option("f", "force", false, "delete data even if start or end are not specified");
o.addOption(OptUtil.startRowOpt());
o.addOption(OptUtil.endRowOpt());
o.addOption(OptUtil.tableOpt("table to delete a row range from"));
o.addOption(forceOpt);
return o;
}
}