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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.miscellaneous;
  
  import org.junit.Test;
  
  import org.apache.cassandra.Util;
  import org.apache.cassandra.cql3.CQLTester;
  import org.apache.cassandra.db.ColumnFamilyStore;
  import org.apache.cassandra.db.Keyspace;
  import org.apache.cassandra.io.sstable.metadata.StatsMetadata;
  import org.apache.cassandra.utils.FBUtilities;
  
  import static org.junit.Assert.assertEquals;
  
  public class SSTableMetadataTrackingTest extends CQLTester
  {
      /**
       * Max allowed difference between compared SSTable metadata timestamps, in seconds.
       * We use a {@code double} to force the usage of {@link org.junit.Assert#assertEquals(double, double, double)} when
       * comparing integer timestamps, otherwise {@link org.junit.Assert#assertEquals(float, float, float)} would be used.
       */
      public static final double DELTA = 5;
  
      @Test
      public void baseCheck() throws Throwable
      {
          createTable("CREATE TABLE %s (a int, b int, c text, PRIMARY KEY (a, b))");
          ColumnFamilyStore cfs = Keyspace.open(keyspace()).getColumnFamilyStore(currentTable());
          execute("INSERT INTO %s (a,b,c) VALUES (1,1,'1') using timestamp 9999");
          Util.flush(cfs);
          StatsMetadata metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(Long.MAX_VALUE, metadata.maxLocalDeletionTime);
          cfs.forceMajorCompaction();
          metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(Long.MAX_VALUE, metadata.maxLocalDeletionTime);
      }
  
      @Test
      public void testMinMaxtimestampRange() throws Throwable
      {
          createTable("CREATE TABLE %s (a int, b int, c text, PRIMARY KEY (a, b))");
          ColumnFamilyStore cfs = Keyspace.open(keyspace()).getColumnFamilyStore(currentTable());
          execute("INSERT INTO %s (a,b,c) VALUES (1,1,'1') using timestamp 10000");
          execute("DELETE FROM %s USING TIMESTAMP 9999 WHERE a = 1 and b = 1");
          Util.flush(cfs);
          StatsMetadata metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(10000, metadata.maxTimestamp);
          assertEquals(Long.MAX_VALUE, metadata.maxLocalDeletionTime, DELTA);
          cfs.forceMajorCompaction();
          metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(10000, metadata.maxTimestamp);
          assertEquals(Long.MAX_VALUE, metadata.maxLocalDeletionTime, DELTA);
      }
  
      @Test
      public void testMinMaxtimestampRow() throws Throwable
      {
          createTable("CREATE TABLE %s (a int, b int, c text, PRIMARY KEY (a, b))");
          ColumnFamilyStore cfs = Keyspace.open(keyspace()).getColumnFamilyStore(currentTable());
          execute("INSERT INTO %s (a,b,c) VALUES (1,1,'1') using timestamp 10000");
          execute("DELETE FROM %s USING TIMESTAMP 9999 WHERE a = 1");
          Util.flush(cfs);
          StatsMetadata metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(10000, metadata.maxTimestamp);
          assertEquals(Long.MAX_VALUE, metadata.maxLocalDeletionTime, DELTA);
          cfs.forceMajorCompaction();
          metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(10000, metadata.maxTimestamp);
          assertEquals(Long.MAX_VALUE, metadata.maxLocalDeletionTime, DELTA);
      }
  
  
      @Test
      public void testTrackMetadata_rangeTombstone() throws Throwable
      {
          createTable("CREATE TABLE %s (a int, b int, c text, PRIMARY KEY (a, b)) WITH gc_grace_seconds = 10000");
          ColumnFamilyStore cfs = Keyspace.open(keyspace()).getColumnFamilyStore(currentTable());
          execute("DELETE FROM %s USING TIMESTAMP 9999 WHERE a = 1 and b = 1");
          Util.flush(cfs);
          assertEquals(1, cfs.getLiveSSTables().size());
          StatsMetadata metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(9999, metadata.maxTimestamp);
          assertEquals(nowInSec(), metadata.maxLocalDeletionTime, DELTA);
          cfs.forceMajorCompaction();
          StatsMetadata metadata2 = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(metadata.maxLocalDeletionTime, metadata2.maxLocalDeletionTime);
          assertEquals(metadata.minTimestamp, metadata2.minTimestamp);
          assertEquals(metadata.maxTimestamp, metadata2.maxTimestamp);
      }
  
      @Test
      public void testTrackMetadata_rowTombstone() throws Throwable
      {
          createTable("CREATE TABLE %s (a int, b int, c text, PRIMARY KEY (a, b))");
          ColumnFamilyStore cfs = Keyspace.open(keyspace()).getColumnFamilyStore(currentTable());
          execute("DELETE FROM %s USING TIMESTAMP 9999 WHERE a = 1");
  
          Util.flush(cfs);
          assertEquals(1, cfs.getLiveSSTables().size());
          StatsMetadata metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(9999, metadata.maxTimestamp);
          assertEquals(nowInSec(), metadata.maxLocalDeletionTime, DELTA);
          cfs.forceMajorCompaction();
          StatsMetadata metadata2 = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(metadata.maxLocalDeletionTime, metadata2.maxLocalDeletionTime);
          assertEquals(metadata.minTimestamp, metadata2.minTimestamp);
          assertEquals(metadata.maxTimestamp, metadata2.maxTimestamp);
      }
  
      @Test
      public void testTrackMetadata_rowMarker() throws Throwable
      {
          createTable("CREATE TABLE %s (a int, PRIMARY KEY (a))");
          ColumnFamilyStore cfs = Keyspace.open(keyspace()).getColumnFamilyStore(currentTable());
          execute("INSERT INTO %s (a) VALUES (1) USING TIMESTAMP 9999");
  
          Util.flush(cfs);
          assertEquals(1, cfs.getLiveSSTables().size());
          StatsMetadata metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(9999, metadata.maxTimestamp);
          assertEquals(Long.MAX_VALUE, metadata.maxLocalDeletionTime);
          cfs.forceMajorCompaction();
          StatsMetadata metadata2 = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(metadata.maxLocalDeletionTime, metadata2.maxLocalDeletionTime);
          assertEquals(metadata.minTimestamp, metadata2.minTimestamp);
          assertEquals(metadata.maxTimestamp, metadata2.maxTimestamp);
      }
  
      @Test
      public void testTrackMetadata_rowMarkerDelete() throws Throwable
      {
          createTable("CREATE TABLE %s (a int, PRIMARY KEY (a))");
          ColumnFamilyStore cfs = Keyspace.open(keyspace()).getColumnFamilyStore(currentTable());
          execute("DELETE FROM %s USING TIMESTAMP 9999 WHERE a=1");
          Util.flush(cfs);
          assertEquals(1, cfs.getLiveSSTables().size());
          StatsMetadata metadata = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(9999, metadata.minTimestamp);
          assertEquals(9999, metadata.maxTimestamp);
          assertEquals(nowInSec(), metadata.maxLocalDeletionTime, DELTA);
          cfs.forceMajorCompaction();
          StatsMetadata metadata2 = cfs.getLiveSSTables().iterator().next().getSSTableMetadata();
          assertEquals(metadata.maxLocalDeletionTime, metadata2.maxLocalDeletionTime);
          assertEquals(metadata.minTimestamp, metadata2.minTimestamp);
          assertEquals(metadata.maxTimestamp, metadata2.maxTimestamp);
      }
  
      private static long nowInSec()
      {
          return FBUtilities.nowInSeconds();
      }
  }
  