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 public String buildSQL(String template) throws IOException {
038 template = convertTimestamp(template);
039 template = replaceTemplate(template, getTemplate());
040
041 template = reword(template);
042 template = removeNull(template);
043
044 return template;
045 }
046
047 protected InformixDB() {
048 super(TYPE_INFORMIX);
049 }
050
051 protected String buildCreateFileContent(
052 String sqlDir, String databaseName, int population)
053 throws IOException {
054
055 String suffix = getSuffix(population);
056
057 StringBundler sb = new StringBundler(22);
058
059 sb.append("database sysmaster;\n");
060 sb.append("drop database ");
061 sb.append(databaseName);
062 sb.append(";\n");
063 sb.append("create database ");
064 sb.append(databaseName);
065 sb.append(" WITH LOG;\n");
066 sb.append("\n");
067 sb.append("create procedure 'lportal'.isnull(test_string varchar)\n");
068 sb.append("returning boolean;\n");
069 sb.append("IF test_string IS NULL THEN\n");
070 sb.append("\tRETURN 't';\n");
071 sb.append("ELSE\n");
072 sb.append("\tRETURN 'f';\n");
073 sb.append("END IF\n");
074 sb.append("end procedure;\n");
075 sb.append("\n\n");
076 sb.append(
077 readFile(
078 sqlDir + "/portal" + suffix + "/portal" + suffix +
079 "-informix.sql"));
080 sb.append("\n\n");
081 sb.append(readFile(sqlDir + "/indexes/indexes-informix.sql"));
082 sb.append("\n\n");
083 sb.append(readFile(sqlDir + "/sequences/sequences-informix.sql"));
084
085 return sb.toString();
086 }
087
088 protected String getServerName() {
089 return "informix";
090 }
091
092 protected String[] getTemplate() {
093 return _INFORMIX_TEMPLATE;
094 }
095
096 protected String reword(String data) throws IOException {
097 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
098 new UnsyncStringReader(data));
099
100 StringBundler sb = new StringBundler();
101
102 String line = null;
103
104 boolean createTable = false;
105
106 while ((line = unsyncBufferedReader.readLine()) != null) {
107 if (line.startsWith(ALTER_COLUMN_NAME)) {
108 String[] template = buildColumnNameTokens(line);
109
110 line = StringUtil.replace(
111 "rename column @table@.@old-column@ TO @new-column@;",
112 REWORD_TEMPLATE, template);
113 }
114 else 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.indexOf(DROP_INDEX) != -1) {
122 String[] tokens = StringUtil.split(line, " ");
123
124 line = StringUtil.replace(
125 "drop index @index@;", "@index@", tokens[2]);
126 }
127 else if (line.indexOf("typeSettings text") > 0) {
128 line = StringUtil.replace(
129 line, "typeSettings text", "typeSettings lvarchar(4096)");
130 }
131 else if (line.indexOf("varchar(300)") > 0) {
132 line = StringUtil.replace(
133 line, "varchar(300)", "lvarchar(300)");
134 }
135 else if (line.indexOf("varchar(500)") > 0) {
136 line = StringUtil.replace(
137 line, "varchar(500)", "lvarchar(500)");
138 }
139 else if (line.indexOf("varchar(1000)") > 0) {
140 line = StringUtil.replace(
141 line, "varchar(1000)", "lvarchar(1000)");
142 }
143 else if (line.indexOf("varchar(1024)") > 0) {
144 line = StringUtil.replace(
145 line, "varchar(1024)", "lvarchar(1024)");
146 }
147 else if (line.indexOf("1970-01-01") > 0) {
148 line = StringUtil.replace(
149 line, "1970-01-01", "1970-01-01 00:00:00.0");
150 }
151 else if (line.indexOf("create table") >= 0) {
152 createTable = true;
153 }
154 else if ((line.indexOf(");") >= 0) && createTable) {
155 line = StringUtil.replace(
156 line, ");",
157 ")\nextent size 16 next size 16\nlock mode row;");
158
159 createTable = false;
160 }
161 else if (line.indexOf("commit;") >= 0) {
162 line = StringPool.BLANK;
163 }
164
165 sb.append(line);
166 sb.append("\n");
167 }
168
169 unsyncBufferedReader.close();
170
171 return sb.toString();
172 }
173
174 private static String[] _INFORMIX_TEMPLATE = {
175 "--", "'T'", "'F'",
176 "'1970-01-01'", "CURRENT YEAR TO FRACTION",
177 " byte in table", " boolean", " datetime YEAR TO FRACTION",
178 " float", " int", " int8",
179 " lvarchar", " text", " varchar",
180 "", "commit"
181 };
182
183 private static InformixDB _instance = new InformixDB();
184
185 }