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