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.distributed.test.accord;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.Arrays;
  import java.util.List;
  
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.apache.cassandra.cql3.ast.Select;
  import org.apache.cassandra.cql3.ast.Txn;
  import org.apache.cassandra.distributed.api.SimpleQueryResult;
  import org.apache.cassandra.service.accord.AccordService;
  import org.assertj.core.api.Assertions;
  
  import static java.util.function.UnaryOperator.identity;
  
  public class NewSchemaTest extends AccordTestBase
  {
      private static final Logger logger = LoggerFactory.getLogger(NewSchemaTest.class);
  
      @Override
      protected Logger logger()
      {
          return logger;
      }
  
      @BeforeClass
      public static void setupClass() throws IOException
      {
          AccordTestBase.setupCluster(identity(), 2);
      }
  
      @Test
      public void test()
      {
          for (int i = 0; i < 20; i++)
          {
              String ks = "ks" + i;
              String tableName = "tbl" + i;
              String table = ks + "." + tableName;
              SHARED_CLUSTER.schemaChange("CREATE KEYSPACE " + ks + " WITH REPLICATION={'class':'SimpleStrategy', 'replication_factor': 1}");
              SHARED_CLUSTER.schemaChange(String.format("CREATE TABLE %s (pk blob primary key) WITH transactional_mode='full'", table));
              SHARED_CLUSTER.forEach(node -> node.runOnInstance(() -> AccordService.instance().setCacheSize(0)));
  
              List<ByteBuffer> keys = tokensToKeys(tokens());
  
              read(ks, tableName, keys).exec();
          }
      }
  
      private static Query read(String ks, String table, List<ByteBuffer> keys)
      {
          assert !keys.isEmpty();
          Txn.Builder builder = new Txn.Builder();
          for (int i = 0; i < keys.size(); i++)
              builder.addLet("row" + i, new Select.Builder().wildcard().table(ks, table).value("pk", keys.get(i)));
          builder.addReturnReferences("row0.pk");
          Txn txn = builder.build();
          ByteBuffer[] binds = txn.bindsEncoded();
          Assertions.assertThat(Arrays.asList(binds)).isEqualTo(keys);
          return new Query(txn.toCQL(), binds);
      }
  
      private static class Query
      {
          final String cql;
          final Object[] binds;
  
          private Query(String cql, Object[] binds)
          {
              this.cql = cql;
              this.binds = binds;
          }
  
          SimpleQueryResult exec()
          {
              return executeWithRetry(SHARED_CLUSTER, cql, binds);
          }
      }
  }
  