SfTrim


1   /*
2    * This file belongs to the XQuark distribution.
3    * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4    * 
5    * This program is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU Lesser General Public
7    * License as published by the Free Software Foundation; either
8    * version 2.1 of the License, or (at your option) any later version.
9    * 
10   * This program is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   * Lesser General Public License for more details.
14   * 
15   * You should have received a copy of the GNU Lesser General Public
16   * License along with this program; if not, write to the Free Software
17   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18   * You can also get it at http://www.gnu.org/licenses/lgpl.html
19   * 
20   * For more information on this software, see http://www.xquark.org.
21   */
22  
23  package org.xquark.extractor.microsoft.sql;
24  
25  
26  import org.xquark.extractor.sql.Context;
27  import org.xquark.extractor.sql.SqlExpression;
28  
29  public class SfTrim  extends org.xquark.extractor.sql.SfTrim
30  {
31  
32      private static final String   RCSRevision = "$Revision: 1.4 $";
33      private static final String   RCSName     = "$Name:  $";
34  
35  
36      public SfTrim() {
37          super();
38      }
39  
40      public SfTrim(SqlExpression arg0) {
41          super(arg0);
42      }
43  
44      public String   toSql (Context context)
45      {
46          //Trace.enter(this,"toSql");
47  
48          StringBuffer   retVal = new StringBuffer  ();
49          retVal.append("RTRIM(");
50          retVal.append("LTRIM(");
51          retVal.append(getArgument(0).toSql(context));
52          retVal.append(")");
53          retVal.append(")");
54  
55          //Trace.exit(this,"toSql");
56          return retVal.toString();
57      }
58  }
59
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