001
014
015 package com.liferay.portal.dao.db;
016
017 import com.liferay.portal.kernel.dao.db.DB;
018 import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
019 import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
020 import com.liferay.portal.kernel.util.StringBundler;
021 import com.liferay.portal.kernel.util.StringPool;
022 import com.liferay.portal.kernel.util.StringUtil;
023
024 import java.io.IOException;
025
026
031 public class InformixDB extends BaseDB {
032
033 public static DB getInstance() {
034 return _instance;
035 }
036
037 @Override
038 public String buildSQL(String template) throws IOException {
039 template = convertTimestamp(template);
040 template = replaceTemplate(template, getTemplate());
041
042 template = reword(template);
043 template = removeNull(template);
044
045 return template;
046 }
047
048 protected InformixDB() {
049 super(TYPE_INFORMIX);
050 }
051
052 @Override
053 protected String buildCreateFileContent(
054 String sqlDir, String databaseName, int population)
055 throws IOException {
056
057 String suffix = getSuffix(population);
058
059 StringBundler sb = new StringBundler(22);
060
061 sb.append("database sysmaster;\n");
062 sb.append("drop database ");
063 sb.append(databaseName);
064 sb.append(";\n");
065 sb.append("create database ");
066 sb.append(databaseName);
067 sb.append(" WITH LOG;\n");
068 sb.append("\n");
069 sb.append("create procedure 'lportal'.isnull(test_string varchar)\n");
070 sb.append("returning boolean;\n");
071 sb.append("IF test_string IS NULL THEN\n");
072 sb.append("\tRETURN 't';\n");
073 sb.append("ELSE\n");
074 sb.append("\tRETURN 'f';\n");
075 sb.append("END IF\n");
076 sb.append("end procedure;\n");
077 sb.append("\n\n");
078
079 if (population != BARE) {
080 sb.append(getCreateTablesContent(sqlDir, suffix));
081 sb.append("\n\n");
082 sb.append(readFile(sqlDir + "/indexes/indexes-informix.sql"));
083 sb.append("\n\n");
084 sb.append(readFile(sqlDir + "/sequences/sequences-informix.sql"));
085 }
086
087 return sb.toString();
088 }
089
090 @Override
091 protected String getServerName() {
092 return "informix";
093 }
094
095 @Override
096 protected String[] getTemplate() {
097 return _INFORMIX_TEMPLATE;
098 }
099
100 @Override
101 protected String reword(String data) throws IOException {
102 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
103 new UnsyncStringReader(data));
104
105 StringBundler sb = new StringBundler();
106
107 String line = null;
108
109 boolean createTable = false;
110
111 while ((line = unsyncBufferedReader.readLine()) != null) {
112 if (line.startsWith(ALTER_COLUMN_NAME)) {
113 String[] template = buildColumnNameTokens(line);
114
115 line = StringUtil.replace(
116 "rename column @table@.@old-column@ TO @new-column@;",
117 REWORD_TEMPLATE, template);
118 }
119 else if (line.startsWith(ALTER_COLUMN_TYPE)) {
120 String[] template = buildColumnTypeTokens(line);
121
122 line = StringUtil.replace(
123 "alter table @table@ modify (@old-column@ @type@);",
124 REWORD_TEMPLATE, template);
125 }
126 else if (line.startsWith(ALTER_TABLE_NAME)) {
127 String[] template = buildTableNameTokens(line);
128
129 line = StringUtil.replace(
130 "rename table @old-table@ to @new-table@;",
131 RENAME_TABLE_TEMPLATE, template);
132 }
133 else if (line.contains(DROP_INDEX)) {
134 String[] tokens = StringUtil.split(line, ' ');
135
136 line = StringUtil.replace(
137 "drop index @index@;", "@index@", tokens[2]);
138 }
139 else if (line.indexOf("typeSettings text") > 0) {
140 line = StringUtil.replace(
141 line, "typeSettings text", "typeSettings lvarchar(4096)");
142 }
143 else if (line.indexOf("varchar(300)") > 0) {
144 line = StringUtil.replace(
145 line, "varchar(300)", "lvarchar(300)");
146 }
147 else if (line.indexOf("varchar(500)") > 0) {
148 line = StringUtil.replace(
149 line, "varchar(500)", "lvarchar(500)");
150 }
151 else if (line.indexOf("varchar(1000)") > 0) {
152 line = StringUtil.replace(
153 line, "varchar(1000)", "lvarchar(1000)");
154 }
155 else if (line.indexOf("varchar(1024)") > 0) {
156 line = StringUtil.replace(
157 line, "varchar(1024)", "lvarchar(1024)");
158 }
159 else if (line.indexOf("1970-01-01") > 0) {
160 line = StringUtil.replace(
161 line, "1970-01-01", "1970-01-01 00:00:00.0");
162 }
163 else if (line.contains("create table")) {
164 createTable = true;
165 }
166 else if (line.contains(");") && createTable) {
167 line = StringUtil.replace(
168 line, ");",
169 ")\nextent size 16 next size 16\nlock mode row;");
170
171 createTable = false;
172 }
173 else if (line.contains("commit;")) {
174 line = StringPool.BLANK;
175 }
176
177 sb.append(line);
178 sb.append("\n");
179 }
180
181 unsyncBufferedReader.close();
182
183 return sb.toString();
184 }
185
186 private static final String[] _INFORMIX_TEMPLATE = {
187 "--", "'T'", "'F'", "'1970-01-01'", "CURRENT YEAR TO FRACTION", " blob",
188 " blob", " boolean", " datetime YEAR TO FRACTION", " float", " int",
189 " int8", " lvarchar", " text", " varchar", "", "commit"
190 };
191
192 private static InformixDB _instance = new InformixDB();
193
194 }