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.adapter.innodb;
  
  /**
   * Query type of a push down condition in InnoDB data source.
   */
  public enum QueryType {
    /** Primary key point query. */
    PK_POINT_QUERY(0),
    /** Secondary key point query. */
    SK_POINT_QUERY(1),
    /** Primary key range query with lower and upper bound. */
    PK_RANGE_QUERY(2),
    /** Secondary key range query with lower and upper bound. */
    SK_RANGE_QUERY(3),
    /** Scanning table fully with primary key. */
    PK_FULL_SCAN(4),
    /** Scanning table fully with secondary key. */
    SK_FULL_SCAN(5);
  
    private final int priority;
  
    static QueryType getPointQuery(boolean isSk) {
      return isSk ? SK_POINT_QUERY : PK_POINT_QUERY;
    }
  
    static QueryType getRangeQuery(boolean isSk) {
      return isSk ? SK_RANGE_QUERY : PK_RANGE_QUERY;
    }
  
    QueryType(int priority) {
      this.priority = priority;
    }
  
    int priority() {
      return priority;
    }
  }
  