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.FileUtil;
021 import com.liferay.portal.kernel.util.StringBundler;
022 import com.liferay.portal.kernel.util.StringPool;
023 import com.liferay.portal.kernel.util.StringUtil;
024
025 import java.io.IOException;
026
027
032 public class InformixDB extends BaseDB {
033
034 public static DB getInstance() {
035 return _instance;
036 }
037
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 protected String buildCreateFileContent(
053 String sqlDir, String databaseName, int population)
054 throws IOException {
055
056 String suffix = getSuffix(population);
057
058 StringBundler sb = new StringBundler(22);
059
060 sb.append("database sysmaster;\n");
061 sb.append("drop database ");
062 sb.append(databaseName);
063 sb.append(";\n");
064 sb.append("create database ");
065 sb.append(databaseName);
066 sb.append(" WITH LOG;\n");
067 sb.append("\n");
068 sb.append("create procedure 'lportal'.isnull(test_string varchar)\n");
069 sb.append("returning boolean;\n");
070 sb.append("IF test_string IS NULL THEN\n");
071 sb.append("\tRETURN 't';\n");
072 sb.append("ELSE\n");
073 sb.append("\tRETURN 'f';\n");
074 sb.append("END IF\n");
075 sb.append("end procedure;\n");
076 sb.append("\n\n");
077 sb.append(
078 FileUtil.read(
079 sqlDir + "/portal" + suffix + "/portal" + suffix +
080 "-informix.sql"));
081 sb.append("\n\n");
082 sb.append(FileUtil.read(sqlDir + "/indexes/indexes-informix.sql"));
083 sb.append("\n\n");
084 sb.append(FileUtil.read(sqlDir + "/sequences/sequences-informix.sql"));
085
086 return sb.toString();
087 }
088
089 protected String getServerName() {
090 return "informix";
091 }
092
093 protected String[] getTemplate() {
094 return _INFORMIX_TEMPLATE;
095 }
096
097 protected String reword(String data) throws IOException {
098 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
099 new UnsyncStringReader(data));
100
101 StringBundler sb = new StringBundler();
102
103 String line = null;
104
105 boolean createTable = false;
106
107 while ((line = unsyncBufferedReader.readLine()) != null) {
108 if (line.startsWith(ALTER_COLUMN_NAME)) {
109 String[] template = buildColumnNameTokens(line);
110
111 line = StringUtil.replace(
112 "rename column @table@.@old-column@ TO @new-column@;",
113 REWORD_TEMPLATE, template);
114 }
115 else if (line.startsWith(ALTER_COLUMN_TYPE)) {
116 String[] template = buildColumnTypeTokens(line);
117
118 line = StringUtil.replace(
119 "alter table @table@ modify (@old-column@ @type@);",
120 REWORD_TEMPLATE, template);
121 }
122 else if (line.indexOf(DROP_INDEX) != -1) {
123 String[] tokens = StringUtil.split(line, " ");
124
125 line = StringUtil.replace(
126 "drop index @index@;", "@index@", tokens[2]);
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 sb.append(line);
167 sb.append("\n");
168 }
169
170 unsyncBufferedReader.close();
171
172 return sb.toString();
173 }
174
175 private static String[] _INFORMIX_TEMPLATE = {
176 "--", "'T'", "'F'",
177 "'1970-01-01'", "CURRENT YEAR TO FRACTION",
178 " byte in table", " boolean", " datetime YEAR TO FRACTION",
179 " float", " int", " int8",
180 " lvarchar", " text", " varchar",
181 "", "commit"
182 };
183
184 private static InformixDB _instance = new InformixDB();
185
186 }