/*
    * 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.shardingsphere.infra.binder.context.segment.select.projection.impl;
  
  import lombok.EqualsAndHashCode;
  import lombok.Getter;
  import org.apache.shardingsphere.infra.database.core.type.DatabaseType;
  import org.apache.shardingsphere.sql.parser.sql.common.enums.AggregationType;
  import org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue;
  
  /**
   * Aggregation distinct projection.
   */
  @EqualsAndHashCode(callSuper = true)
  @Getter
  public final class AggregationDistinctProjection extends AggregationProjection {
      
      private final int startIndex;
      
      private final int stopIndex;
      
      private final String distinctInnerExpression;
      
      public AggregationDistinctProjection(final int startIndex, final int stopIndex, final AggregationType type, final String expression,
                                           final IdentifierValue alias, final String distinctInnerExpression, final DatabaseType databaseType) {
          super(type, expression, alias, databaseType);
          this.startIndex = startIndex;
          this.stopIndex = stopIndex;
          this.distinctInnerExpression = distinctInnerExpression;
      }
  }