Frameworks { public static SchemaPlus createRootSchema(boolean addMetadataSchema) { return CalciteSchema.createRootSchema(addMetadataSchema).plus(); } private  Frameworks(); static Planner getPlanner(FrameworkConfig config); static R withPlanner(final PlannerAction<R> action, //
      final FrameworkConfig config); static R withPlanner(final PlannerAction<R> action); static R withPrepare(PrepareAction<R> action); static SchemaPlus createRootSchema(boolean addMetadataSchema); static ConfigBuilder newConfigBuilder();  }
@Test public void testCreateRootSchemaWithNoMetadataSchema() { SchemaPlus rootSchema = Frameworks.createRootSchema(false); assertThat(rootSchema.getSubSchemaNames().size(), equalTo(0)); }