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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.shardingsphere.infra.binder.context.segment.select.projection.impl;
19  
20  import lombok.EqualsAndHashCode;
21  import lombok.Getter;
22  import org.apache.shardingsphere.infra.database.core.type.DatabaseType;
23  import org.apache.shardingsphere.sql.parser.statement.core.enums.AggregationType;
24  import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.AggregationProjectionSegment;
25  import org.apache.shardingsphere.sql.parser.statement.core.value.identifier.IdentifierValue;
26  
27  /**
28   * Aggregation distinct projection.
29   */
30  @EqualsAndHashCode(callSuper = true)
31  @Getter
32  public final class AggregationDistinctProjection extends AggregationProjection {
33      
34      private final int startIndex;
35      
36      private final int stopIndex;
37      
38      private final String distinctInnerExpression;
39      
40      public AggregationDistinctProjection(final int startIndex, final int stopIndex, final AggregationType type, final AggregationProjectionSegment aggregationSegment,
41                                           final IdentifierValue alias, final String distinctInnerExpression, final DatabaseType databaseType) {
42          super(type, aggregationSegment, alias, databaseType);
43          this.startIndex = startIndex;
44          this.stopIndex = stopIndex;
45          this.distinctInnerExpression = distinctInnerExpression;
46      }
47      
48      public AggregationDistinctProjection(final int startIndex, final int stopIndex, final AggregationType type, final AggregationProjectionSegment aggregationSegment,
49                                           final IdentifierValue alias, final String distinctInnerExpression, final DatabaseType databaseType, final String separator) {
50          super(type, aggregationSegment, alias, databaseType, separator);
51          this.startIndex = startIndex;
52          this.stopIndex = stopIndex;
53          this.distinctInnerExpression = distinctInnerExpression;
54      }
55  }