1
14
15 package com.liferay.portal.dao.db;
16
17 import com.liferay.portal.kernel.dao.db.DB;
18 import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
19 import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
20 import com.liferay.portal.kernel.util.FileUtil;
21 import com.liferay.portal.kernel.util.StringBundler;
22 import com.liferay.portal.kernel.util.StringPool;
23 import com.liferay.portal.kernel.util.StringUtil;
24
25 import java.io.IOException;
26
27
34 public class InformixDB extends BaseDB {
35
36 public static DB getInstance() {
37 return _instance;
38 }
39
40 public String buildSQL(String template) throws IOException {
41 template = convertTimestamp(template);
42 template = replaceTemplate(template, getTemplate());
43
44 template = reword(template);
45 template = removeNull(template);
46
47 return template;
48 }
49
50 protected InformixDB() {
51 super(TYPE_INFORMIX);
52 }
53
54 protected String buildCreateFileContent(
55 String sqlDir, String databaseName, int population)
56 throws IOException {
57
58 String suffix = getSuffix(population);
59
60 StringBundler sb = new StringBundler(22);
61
62 sb.append("database sysmaster;\n");
63 sb.append("drop database ");
64 sb.append(databaseName);
65 sb.append(";\n");
66 sb.append("create database ");
67 sb.append(databaseName);
68 sb.append(" WITH LOG;\n");
69 sb.append("\n");
70 sb.append("create procedure 'lportal'.isnull(test_string varchar)\n");
71 sb.append("returning boolean;\n");
72 sb.append("IF test_string IS NULL THEN\n");
73 sb.append("\tRETURN 't';\n");
74 sb.append("ELSE\n");
75 sb.append("\tRETURN 'f';\n");
76 sb.append("END IF\n");
77 sb.append("end procedure;\n");
78 sb.append("\n\n");
79 sb.append(
80 FileUtil.read(
81 sqlDir + "/portal" + suffix + "/portal" + suffix +
82 "-informix.sql"));
83 sb.append("\n\n");
84 sb.append(FileUtil.read(sqlDir + "/indexes/indexes-informix.sql"));
85 sb.append("\n\n");
86 sb.append(FileUtil.read(sqlDir + "/sequences/sequences-informix.sql"));
87
88 return sb.toString();
89 }
90
91 protected String getServerName() {
92 return "informix";
93 }
94
95 protected String[] getTemplate() {
96 return _INFORMIX_TEMPLATE;
97 }
98
99 protected String reword(String data) throws IOException {
100 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
101 new UnsyncStringReader(data));
102
103 StringBundler sb = new StringBundler();
104
105 String line = null;
106
107 boolean createTable = false;
108
109 while ((line = unsyncBufferedReader.readLine()) != null) {
110 if (line.startsWith(ALTER_COLUMN_NAME)) {
111 String[] template = buildColumnNameTokens(line);
112
113 line = StringUtil.replace(
114 "rename column @table@.@old-column@ TO @new-column@;",
115 REWORD_TEMPLATE, template);
116 }
117 else if (line.startsWith(ALTER_COLUMN_TYPE)) {
118 String[] template = buildColumnTypeTokens(line);
119
120 line = StringUtil.replace(
121 "alter table @table@ modify (@old-column@ @type@);",
122 REWORD_TEMPLATE, template);
123 }
124 else if (line.indexOf(DROP_INDEX) != -1) {
125 String[] tokens = StringUtil.split(line, " ");
126
127 line = StringUtil.replace(
128 "drop index @index@;", "@index@", tokens[2]);
129 }
130 else if (line.indexOf("typeSettings text") > 0) {
131 line = StringUtil.replace(
132 line, "typeSettings text", "typeSettings lvarchar(4096)");
133 }
134 else if (line.indexOf("varchar(300)") > 0) {
135 line = StringUtil.replace(
136 line, "varchar(300)", "lvarchar(300)");
137 }
138 else if (line.indexOf("varchar(500)") > 0) {
139 line = StringUtil.replace(
140 line, "varchar(500)", "lvarchar(500)");
141 }
142 else if (line.indexOf("varchar(1000)") > 0) {
143 line = StringUtil.replace(
144 line, "varchar(1000)", "lvarchar(1000)");
145 }
146 else if (line.indexOf("varchar(1024)") > 0) {
147 line = StringUtil.replace(
148 line, "varchar(1024)", "lvarchar(1024)");
149 }
150 else if (line.indexOf("1970-01-01") > 0) {
151 line = StringUtil.replace(
152 line, "1970-01-01", "1970-01-01 00:00:00.0");
153 }
154 else if (line.indexOf("create table") >= 0) {
155 createTable = true;
156 }
157 else if ((line.indexOf(");") >= 0) && createTable) {
158 line = StringUtil.replace(
159 line, ");",
160 ")\nextent size 16 next size 16\nlock mode row;");
161
162 createTable = false;
163 }
164 else if (line.indexOf("commit;") >= 0) {
165 line = StringPool.BLANK;
166 }
167
168 sb.append(line);
169 sb.append("\n");
170 }
171
172 unsyncBufferedReader.close();
173
174 return sb.toString();
175 }
176
177 private static String[] _INFORMIX_TEMPLATE = {
178 "--", "'T'", "'F'",
179 "'1970-01-01'", "CURRENT YEAR TO FRACTION",
180 " byte in table", " boolean", " datetime YEAR TO FRACTION",
181 " float", " int", " int8",
182 " lvarchar", " text", " varchar",
183 "", "commit"
184 };
185
186 private static InformixDB _instance = new InformixDB();
187
188 }