Coverage report

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org.apache.torque.adapter.DBHypersonicSQL
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 1  
 package org.apache.torque.adapter;
 2  
 
 3  
 /*
 4  
  * Licensed to the Apache Software Foundation (ASF) under one
 5  
  * or more contributor license agreements.  See the NOTICE file
 6  
  * distributed with this work for additional information
 7  
  * regarding copyright ownership.  The ASF licenses this file
 8  
  * to you under the Apache License, Version 2.0 (the
 9  
  * "License"); you may not use this file except in compliance
 10  
  * with the License.  You may obtain a copy of the License at
 11  
  *
 12  
  *   http://www.apache.org/licenses/LICENSE-2.0
 13  
  *
 14  
  * Unless required by applicable law or agreed to in writing,
 15  
  * software distributed under the License is distributed on an
 16  
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17  
  * KIND, either express or implied.  See the License for the
 18  
  * specific language governing permissions and limitations
 19  
  * under the License.
 20  
  */
 21  
 
 22  
 import java.sql.Connection;
 23  
 import java.sql.SQLException;
 24  
 
 25  
 /**
 26  
  * This is used to connect to Hypersonic SQL databases.
 27  
  *
 28  
  * <a href="http://hsqldb.org/">http://hsqldb.org/</a>
 29  
  *
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  * @author <a href="mailto:celkins@scardini.com">Christopher Elkins</a>
 31  
  * @version $Id: DBHypersonicSQL.java 476550 2006-11-18 16:08:37Z tfischer $
 32  
  */
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 public class DBHypersonicSQL extends AbstractDBAdapter
 34  
 {
 35  
     /**
 36  
      * Serial version
 37  
      */
 38  
     private static final long serialVersionUID = 8392727399615702372L;
 39  
 
 40  
     /**
 41  
      * Constructor.
 42  
      */
 43  
     protected DBHypersonicSQL()
 44  0
     {
 45  0
     }
 46  
 
 47  
     /**
 48  
      * This method is used to ignore case.
 49  
      *
 50  
      * @param in The string to transform to upper case.
 51  
      * @return The upper case string.
 52  
      */
 53  
     public String toUpperCase(String in)
 54  
     {
 55  0
         String s = new StringBuffer("UPPER(").append(in).append(")").toString();
 56  0
         return s;
 57  
     }
 58  
 
 59  
     /**
 60  
      * This method is used to ignore case.
 61  
      *
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      * @param in The string whose case to ignore.
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      * @return The string in a case that can be ignored.
 64  
      */
 65  
     public String ignoreCase(String in)
 66  
     {
 67  0
         return toUpperCase(in);
 68  
     }
 69  
 
 70  
     /**
 71  
      * @see org.apache.torque.adapter.DB#getIDMethodType()
 72  
      */
 73  
     public String getIDMethodType()
 74  
     {
 75  0
         return AUTO_INCREMENT;
 76  
     }
 77  
 
 78  
     /**
 79  
      * @see org.apache.torque.adapter.DB#ignoreCaseInOrderBy(String)
 80  
      */
 81  
     public String ignoreCaseInOrderBy(String in)
 82  
     {
 83  0
         return "CAST(" + in + " AS VARCHAR_IGNORECASE)";
 84  
     }
 85  
 
 86  
     /**
 87  
      * @see org.apache.torque.adapter.DB#getIDMethodSQL(Object obj)
 88  
      */
 89  
     public String getIDMethodSQL(Object obj)
 90  
     {
 91  0
         StringBuffer command = new StringBuffer("select IDENTITY() from ");
 92  0
         String qualifiedIdentifier = (String) obj;
 93  0
         command.append(qualifiedIdentifier);
 94  0
         return command.toString();
 95  
     }
 96  
 
 97  
     /**
 98  
      * Locks the specified table.
 99  
      *
 100  
      * @param con The JDBC connection to use.
 101  
      * @param table The name of the table to lock.
 102  
      * @exception SQLException No Statement could be created or executed.
 103  
      */
 104  
     public void lockTable(Connection con, String table) throws SQLException
 105  
     {
 106  0
     }
 107  
 
 108  
     /**
 109  
      * Unlocks the specified table.
 110  
      *
 111  
      * @param con The JDBC connection to use.
 112  
      * @param table The name of the table to unlock.
 113  
      * @exception SQLException No Statement could be created or executed.
 114  
      */
 115  
     public void unlockTable(Connection con, String table) throws SQLException
 116  
     {
 117  0
     }
 118  
 
 119  
     /**
 120  
      * This method is for the SqlExpression.quoteAndEscape rules.  The rule is,
 121  
      * any string in a SqlExpression with a BACKSLASH will either be changed to
 122  
      * "\\" or left as "\".
 123  
      *
 124  
      * @return false.
 125  
      */
 126  
     public boolean escapeText()
 127  
     {
 128  0
         return false;
 129  
     }
 130  
 
 131  
     /**
 132  
      * Whether an escape clause in like should be used.
 133  
      * Example : select * from AUTHOR where AUTHOR.NAME like '\_%' ESCAPE '\';
 134  
      *
 135  
      * HSQLDB needs this, so this implementation always returns
 136  
      * <code>true</code>.
 137  
      *
 138  
      * @return whether the escape clause should be appended or not.
 139  
      */
 140  
     public boolean useEscapeClauseForLike()
 141  
     {
 142  0
         return true;
 143  
     }
 144  
 }

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