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.sql.test;
  
  /**
   * Implementation of {@link SqlTester} that can parse and validate SQL,
   * and convert it to relational algebra.
   *
   * <p>This tester is therefore suitable for many general-purpose tests,
   * including SQL parsing, validation, and SQL-to-Rel conversion.
   */
  public class SqlValidatorTester extends AbstractSqlTester {
    /** Default instance of this tester. */
    public static final SqlValidatorTester DEFAULT = new SqlValidatorTester();
  }
  