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.calcite.test;
  
  import org.apache.calcite.adapter.java.ReflectiveSchema;
  
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /**
   * A ReflectiveSchema that does not return row count statistics.
   * Intended to be used with tests written before row count statistics were supported
   * by ReflectiveSchema that rely on legacy behavior.
   */
  public class ReflectiveSchemaWithoutRowCount extends ReflectiveSchema  {
    /**
     * Creates a ReflectiveSchema.
     *
     * @param target Object whose fields will be sub-objects of the schema
     */
    public ReflectiveSchemaWithoutRowCount(Object target) {
      super(target);
    }
  
    @Override protected @Nullable Double getRowCount(Object o) {
      return null;
    }
  }
  