1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.tools.sql;
24  
25  import com.liferay.portal.kernel.util.FileUtil;
26  import com.liferay.portal.kernel.util.StringUtil;
27  
28  import java.io.BufferedReader;
29  import java.io.File;
30  import java.io.IOException;
31  import java.io.StringReader;
32  
33  /**
34   * <a href="SybaseUtil.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Alexander Chow
37   * @author Bruno Farache
38   * @author Sandeep Soni
39   * @author Ganesh Ram
40   *
41   */
42  public class SybaseUtil extends DBUtil {
43  
44      public static DBUtil getInstance() {
45          return _instance;
46      }
47  
48      public String buildSQL(String template) throws IOException {
49          template = convertTimestamp(template);
50          template = replaceTemplate(template, getTemplate());
51  
52          template = reword(template);
53          template = StringUtil.replace(template, ");\n", ")\ngo\n");
54          template = StringUtil.replace(template, "\ngo;\n", "\ngo\n");
55          template = StringUtil.replace(
56              template,
57              new String[] {"\\\\", "\\'", "\\\"", "\\n", "\\r"},
58              new String[] {"\\", "''", "\"", "\n", "\r"});
59  
60          return template;
61      }
62  
63      protected SybaseUtil() {
64          super(TYPE_SYBASE);
65      }
66  
67      protected void buildCreateFile(String databaseName, boolean minimal)
68          throws IOException {
69  
70          String minimalSuffix = getMinimalSuffix(minimal);
71  
72          File file = new File(
73              "../sql/create" + minimalSuffix + "/create" + minimalSuffix +
74                  "-sybase.sql");
75  
76          StringBuilder sb = new StringBuilder();
77  
78          sb = new StringBuilder();
79  
80          sb.append("use master\n");
81          sb.append(
82              "exec sp_dboption '" + databaseName + "', " +
83                  "'allow nulls by default' , true\n");
84          sb.append("go\n\n");
85          sb.append(
86              "exec sp_dboption '" + databaseName + "', " +
87                  "'select into/bulkcopy/pllsort' , true\n");
88          sb.append("go\n\n");
89  
90          sb.append("use " + databaseName + "\n\n");
91          sb.append(
92              FileUtil.read(
93                  "../sql/portal" + minimalSuffix + "/portal" + minimalSuffix +
94                      "-sybase.sql"));
95          sb.append("\n\n");
96          sb.append(FileUtil.read("../sql/indexes/indexes-sybase.sql"));
97          sb.append("\n\n");
98          sb.append(FileUtil.read("../sql/sequences/sequences-sybase.sql"));
99  
100         FileUtil.write(file, sb.toString());
101     }
102 
103     protected String getServerName() {
104         return "sybase";
105     }
106 
107     protected String[] getTemplate() {
108         return _SYBASE;
109     }
110 
111     protected String reword(String data) throws IOException {
112         BufferedReader br = new BufferedReader(new StringReader(data));
113 
114         StringBuilder sb = new StringBuilder();
115 
116         String line = null;
117 
118         while ((line = br.readLine()) != null) {
119 
120             if (line.indexOf(DROP_COLUMN) != -1) {
121                 line = StringUtil.replace(line, " drop column ", " drop ");
122             }
123 
124             if (line.startsWith(ALTER_COLUMN_TYPE)) {
125                 String[] template = buildColumnTypeTokens(line);
126 
127                 line = StringUtil.replace(
128                     "alter table @table@ alter column @old-column@ @type@;",
129                     REWORD_TEMPLATE, template);
130             }
131             else if (line.startsWith(ALTER_COLUMN_NAME)) {
132                 String[] template = buildColumnNameTokens(line);
133 
134                 line = StringUtil.replace(
135                     "exec sp_rename '@table@.@old-column@', '@new-column@', " +
136                         "'column';",
137                     REWORD_TEMPLATE, template);
138             }
139 
140             sb.append(line);
141             sb.append("\n");
142         }
143 
144         br.close();
145 
146         return sb.toString();
147     }
148 
149     protected static String DROP_COLUMN = "drop column";
150 
151     private static String[] _SYBASE = {
152         "--", "1", "0",
153         "'19700101'", "getdate()",
154         " image", " int", " datetime",
155         " float", " int", " decimal(20,0)",
156         " varchar(1000)", " text", " varchar",
157         "  identity(1,1)", "go"
158     };
159 
160     private static SybaseUtil _instance = new SybaseUtil();
161 
162 }