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1   /*
2    * Copyright 2004-2006 the Seasar Foundation and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.tuigwaa.database.function.aggregation;
17  
18  public interface IProjectionList {
19  		
20  	public IProjectionList addMax(String field, String alias);
21  	
22  	public IProjectionList addMin(String field, String alias);
23  	
24  	public IProjectionList addAvg(String field, String alias);
25  
26  	public IProjectionList addSum(String field, String alias);
27  
28  	public IProjectionList addGroupProperty(String field, String alias);
29  	
30  	public IProjectionList addRowCount(String alias);
31  	
32  	public IProjectionList addCountProjection(String field, String alias);
33  
34  	public boolean hasAlias(String alias);
35  }