content: /*
  * 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.cassandra.db;
  
  import org.junit.Test;
  
  import org.apache.cassandra.Util;
  import org.apache.cassandra.cql3.CQLTester;
  
  public class RemoveCellTest extends CQLTester
  {
      @Test
      public void testDeleteCell() throws Throwable
      {
          String tableName = createTable("CREATE TABLE %s (a int, b int, c int, PRIMARY KEY (a, b))");
          ColumnFamilyStore cfs = Keyspace.open(KEYSPACE).getColumnFamilyStore(tableName);
          execute("INSERT INTO %s (a, b, c) VALUES (?, ?, ?) USING TIMESTAMP ?", 0, 0, 0, 0L);
          Util.flush(cfs);
          execute("DELETE c FROM %s USING TIMESTAMP ? WHERE a = ? AND b = ?", 1L, 0, 0);
          assertRows(execute("SELECT * FROM %s WHERE a = ? AND b = ?", 0, 0), row(0, 0, null));
          assertRows(execute("SELECT c FROM %s WHERE a = ? AND b = ?", 0, 0), row(new Object[]{null}));
      }
  }
  