001
014
015 package com.liferay.portal.dao.db;
016
017 import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
018 import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
019 import com.liferay.portal.kernel.util.StringBundler;
020 import com.liferay.portal.kernel.util.StringUtil;
021
022 import java.io.IOException;
023
024
029 public class HypersonicDB extends BaseDB {
030
031 public HypersonicDB(int majorVersion, int minorVersion) {
032 super(TYPE_HYPERSONIC, majorVersion, minorVersion);
033 }
034
035 @Override
036 public String buildSQL(String template) throws IOException {
037 template = convertTimestamp(template);
038 template = replaceTemplate(template, getTemplate());
039
040 template = reword(template);
041 template = StringUtil.replace(template, "\\'", "''");
042
043 return template;
044 }
045
046 @Override
047 protected String buildCreateFileContent(
048 String sqlDir, String databaseName, int population) {
049
050 return null;
051 }
052
053 @Override
054 protected String getServerName() {
055 return "hypersonic";
056 }
057
058 @Override
059 protected String[] getTemplate() {
060 return _HYPERSONIC;
061 }
062
063 @Override
064 protected String reword(String data) throws IOException {
065 try (UnsyncBufferedReader unsyncBufferedReader =
066 new UnsyncBufferedReader(new UnsyncStringReader(data))) {
067
068 StringBundler sb = new StringBundler();
069
070 String line = null;
071
072 while ((line = unsyncBufferedReader.readLine()) != null) {
073 if (line.startsWith(ALTER_COLUMN_NAME)) {
074 String[] template = buildColumnNameTokens(line);
075
076 line = StringUtil.replace(
077 "alter table @table@ alter column @old-column@ rename" +
078 " to @new-column@;",
079 REWORD_TEMPLATE, template);
080 }
081 else if (line.startsWith(ALTER_COLUMN_TYPE)) {
082 String[] template = buildColumnTypeTokens(line);
083
084 line = StringUtil.replace(
085 "alter table @table@ alter column @old-column@ " +
086 "@type@ @nullable@;",
087 REWORD_TEMPLATE, template);
088 }
089 else if (line.startsWith(ALTER_TABLE_NAME)) {
090 String[] template = buildTableNameTokens(line);
091
092 line = StringUtil.replace(
093 "alter table @old-table@ rename to @new-table@;",
094 RENAME_TABLE_TEMPLATE, template);
095 }
096 else if (line.contains(DROP_INDEX)) {
097 String[] tokens = StringUtil.split(line, ' ');
098
099 line = StringUtil.replace(
100 "drop index @index@;", "@index@", tokens[2]);
101 }
102
103 sb.append(line);
104 sb.append("\n");
105 }
106
107 return sb.toString();
108 }
109 }
110
111 private static final String[] _HYPERSONIC = {
112 "
113 " blob", " bit", " timestamp", " double", " int", " bigint",
114 " longvarchar", " longvarchar", " varchar", "", "commit"
115 };
116
117 }