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   * 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.cql3.validation.operations;
  
  import org.junit.Test;
  
  import org.apache.cassandra.cql3.CQLTester;
  
  public class DropTest extends CQLTester
  {
      @Test
      public void testDropTableWithNameCapitalPAndColumnDuration() throws Throwable
      {
          // CASSANDRA-17919
          createTable(KEYSPACE, "CREATE TABLE %s (a INT PRIMARY KEY, b DURATION);", "P");
          execute("DROP TABLE %s");
          assertRowsIgnoringOrder(execute(String.format("SELECT * FROM system_schema.dropped_columns WHERE keyspace_name = '%s' AND table_name = 'P'", keyspace())));
      }
  
      @Test
      public void testNonExistingOnes() throws Throwable
      {
          assertInvalidMessage(String.format("Table '%s.table_does_not_exist' doesn't exist", KEYSPACE),  "DROP TABLE " + KEYSPACE + ".table_does_not_exist");
          assertInvalidMessage("Table 'keyspace_does_not_exist.table_does_not_exist' doesn't exist", "DROP TABLE keyspace_does_not_exist.table_does_not_exist");
  
          execute("DROP TABLE IF EXISTS " + KEYSPACE + ".table_does_not_exist");
          execute("DROP TABLE IF EXISTS keyspace_does_not_exist.table_does_not_exist");
      }
  
      @Test
      public void testDropTableWithDroppedColumns() throws Throwable
      {
          // CASSANDRA-13730: entry should be removed from dropped_columns table when table is dropped
          String cf = createTable("CREATE TABLE %s (k1 int, c1 int , v1 int, v2 int, PRIMARY KEY (k1, c1))");
  
          execute("ALTER TABLE %s DROP v2");
          execute("DROP TABLE %s");
  
          assertRowsIgnoringOrder(execute("select * from system_schema.dropped_columns where keyspace_name = '"
                  + keyspace()
                  + "' and table_name = '" + cf + "'"));
      }
  }
  