DistributedQueryRunner queryRunner = new DistributedQueryRunner(createSession("tpch"), 4);
queryRunner.installPlugin(new TpchPlugin());
queryRunner.createCatalog("tpch", "tpch");
queryRunner.installPlugin(new SampledTpchPlugin());
queryRunner.createCatalog("tpch_sampled", "tpch_sampled");
queryRunner.installPlugin(new CassandraPlugin());
queryRunner.createCatalog("cassandra", "cassandra", ImmutableMap.of(
"cassandra.contact-points", "localhost",