/*
 * Copyright 2019 Evgeniy Khyst
 *
 * Licensed 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 com.example.spring.data.r2dbc.repository;

import com.example.spring.data.r2dbc.entity.Category;
import org.springframework.data.r2dbc.repository.Query;
import org.springframework.data.repository.reactive.ReactiveCrudRepository;
import reactor.core.publisher.Flux;

public interface CategoryRepository extends ReactiveCrudRepository<Category, Long> {

  @Query("SELECT c.* FROM CATEGORY c"
      + " JOIN BOOK_CATEGORY bc ON c.ID = bc.CATEGORY"
      + " WHERE bc.BOOK = :bookId"
      + " ORDER BY bc.ID")
  Flux<Category> findByBook(long bookId);
}