1
22
23 package com.liferay.portal.tools.sql;
24
25 import com.liferay.portal.kernel.util.StringMaker;
26 import com.liferay.portal.kernel.util.StringPool;
27 import com.liferay.portal.kernel.util.StringUtil;
28 import com.liferay.util.FileUtil;
29
30 import java.io.BufferedReader;
31 import java.io.File;
32 import java.io.IOException;
33 import java.io.StringReader;
34
35
41 public class InformixUtil extends DBUtil {
42
43 public static DBUtil getInstance() {
44 return _instance;
45 }
46
47 public String buildSQL(String template) throws IOException {
48 template = convertTimestamp(template);
49 template = StringUtil.replace(template, TEMPLATE, getTemplate());
50
51 template = reword(template);
52 template = removeNull(template);
53
54 return template;
55 }
56
57 protected InformixUtil() {
58 }
59
60 protected void buildCreateFile(String databaseName, boolean minimal)
61 throws IOException {
62
63 String minimalSuffix = getMinimalSuffix(minimal);
64
65 File file = new File(
66 "../sql/create" + minimalSuffix + "/create" + minimalSuffix +
67 "-informix.sql");
68
69 StringMaker sm = new StringMaker();
70
71 sm.append("database sysmaster;\n");
72 sm.append("drop database " + databaseName + ";\n");
73 sm.append("create database " + databaseName + " WITH LOG;\n");
74 sm.append("\n");
75 sm.append("create procedure 'lportal'.isnull(test_string varchar)\n");
76 sm.append("returning boolean;\n");
77 sm.append("IF test_string IS NULL THEN\n");
78 sm.append(" RETURN 't';\n");
79 sm.append("ELSE\n");
80 sm.append(" RETURN 'f';\n");
81 sm.append("END IF\n");
82 sm.append("end procedure;\n");
83 sm.append("\n\n");
84 sm.append(
85 FileUtil.read(
86 "../sql/portal" + minimalSuffix + "/portal" + minimalSuffix +
87 "-informix.sql"));
88 sm.append("\n\n");
89 sm.append(FileUtil.read("../sql/indexes/indexes-informix.sql"));
90 sm.append("\n\n");
91 sm.append(FileUtil.read("../sql/sequences/sequences-informix.sql"));
92
93 FileUtil.write(file, sm.toString());
94 }
95
96 protected String getServerName() {
97 return "informix";
98 }
99
100 protected String[] getTemplate() {
101 return _INFORMIX_TEMPLATE;
102 }
103
104 protected String reword(String data) throws IOException {
105 BufferedReader br = new BufferedReader(new StringReader(data));
106
107 StringMaker sm = new StringMaker();
108
109 String line = null;
110
111 boolean createTable = false;
112
113 while ((line = br.readLine()) != null) {
114 if (line.startsWith(ALTER_COLUMN_TYPE)) {
115 String[] template = buildColumnTypeTokens(line);
116
117 line = StringUtil.replace(
118 "alter table @table@ modify (@old-column@ @type@);",
119 REWORD_TEMPLATE, template);
120 }
121 else if (line.startsWith(ALTER_COLUMN_NAME)) {
122 String[] template = buildColumnNameTokens(line);
123
124 line = StringUtil.replace(
125 "rename column @table@.@old-column@ TO @new-column@;",
126 REWORD_TEMPLATE, template);
127 }
128 else if (line.indexOf("typeSettings text") > 0) {
129 line = StringUtil.replace(
130 line, "typeSettings text", "typeSettings lvarchar(4096)");
131 }
132 else if (line.indexOf("varchar(300)") > 0) {
133 line = StringUtil.replace(
134 line, "varchar(300)", "lvarchar(300)");
135 }
136 else if (line.indexOf("varchar(500)") > 0) {
137 line = StringUtil.replace(
138 line, "varchar(500)", "lvarchar(500)");
139 }
140 else if (line.indexOf("varchar(1000)") > 0) {
141 line = StringUtil.replace(
142 line, "varchar(1000)", "lvarchar(1000)");
143 }
144 else if (line.indexOf("varchar(1024)") > 0) {
145 line = StringUtil.replace(
146 line, "varchar(1024)", "lvarchar(1024)");
147 }
148 else if (line.indexOf("1970-01-01") > 0) {
149 line = StringUtil.replace(
150 line, "1970-01-01", "1970-01-01 00:00:00.0");
151 }
152 else if (line.indexOf("create table") >= 0) {
153 createTable = true;
154 }
155 else if ((line.indexOf(");") >= 0) && createTable) {
156 line = StringUtil.replace(
157 line, ");",
158 ")\nextent size 16 next size 16\nlock mode row;");
159
160 createTable = false;
161 }
162 else if (line.indexOf("commit;") >= 0) {
163 line = StringPool.BLANK;
164 }
165
166 sm.append(line);
167 sm.append("\n");
168 }
169
170 br.close();
171
172 return sm.toString();
173 }
174
175 private static String[] _INFORMIX_TEMPLATE = {
176 "--", "'T'", "'F'",
177 "'1970-01-01'", "CURRENT YEAR TO FRACTION",
178 " boolean", " datetime YEAR TO FRACTION", " float",
179 " int", " int8",
180 " lvarchar", " text", " varchar",
181 "", "commit"
182 };
183
184 private static InformixUtil _instance = new InformixUtil();
185
186 }