001/* 002 * This library is part of OpenCms - 003 * the Open Source Content Management System 004 * 005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com) 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * For further information about Alkacon Software GmbH & Co. KG, please see the 018 * company website: http://www.alkacon.com 019 * 020 * For further information about OpenCms, please see the 021 * project website: http://www.opencms.org 022 * 023 * You should have received a copy of the GNU Lesser General Public 024 * License along with this library; if not, write to the Free Software 025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 026 */ 027 028package org.opencms.setup.db.update6to7.mysql; 029 030import org.opencms.setup.CmsSetupDb; 031 032import java.io.IOException; 033import java.sql.SQLException; 034import java.util.Collections; 035import java.util.Map; 036 037/** 038 * This class updates the project ids from integer values to CmsUUIDs in all existing database tables.<p> 039 * 040 * It creates new UUIDs for each existing project and stores it into a temporary table.<p> 041 * 042 * For each table using a project id a new column for the UUID is added and the according data is transferred.<p> 043 * After that the original indexes and the column for the project id index is dropped and the new column with the 044 * project uuid becomes the primary key.<p> 045 */ 046public class CmsUpdateDBProjectId extends org.opencms.setup.db.update6to7.CmsUpdateDBProjectId { 047 048 /** Constant for the sql query to create the new CMS_HISTORY_PROJECTS table.<p> */ 049 private static final String QUERY_CREATE_HISTORY_PROJECTS_TABLE_MYSQL = "Q_CREATE_HISTORY_PROJECTS_TABLE_MYSQL"; 050 051 /** Constant for the sql query to create the temporary table.<p> */ 052 private static final String QUERY_CREATE_TEMP_TABLE_UUIDS_MYSQL = "Q_CREATE_TEMPORARY_TABLE_UUIDS_MYSQL"; 053 054 /** Constant for the SQL query properties.<p> */ 055 private static final String QUERY_PROPERTY_FILE = "cms_projectid_queries.properties"; 056 057 /** 058 * Constructor.<p> 059 * 060 * @throws IOException if the query properties cannot be read 061 */ 062 public CmsUpdateDBProjectId() 063 throws IOException { 064 065 super(); 066 loadQueryProperties(getPropertyFileLocation() + QUERY_PROPERTY_FILE); 067 } 068 069 /** 070 * Creates the CMS_HISTORY_PROJECTS table if it does not exist yet.<p> 071 * 072 * @param dbCon the db connection interface 073 * 074 * @throws SQLException if something goes wrong 075 */ 076 @Override 077 protected void createHistProjectsTable(CmsSetupDb dbCon) throws SQLException { 078 079 System.out.println(new Exception().getStackTrace()[0].toString()); 080 if (!dbCon.hasTableOrColumn(HISTORY_PROJECTS_TABLE, null)) { 081 String createStatement = readQuery(QUERY_CREATE_HISTORY_PROJECTS_TABLE_MYSQL); 082 Map<String, String> replacer = Collections.singletonMap("${tableEngine}", m_poolData.get("engine")); 083 dbCon.updateSqlStatement(createStatement, replacer, null); 084 transferDataToHistoryTable(dbCon); 085 } else { 086 System.out.println("table " + HISTORY_PROJECTS_TABLE + " already exists"); 087 } 088 } 089 090 /** 091 * Creates the temp table for project ids if it does not exist yet.<p> 092 * 093 * @param dbCon the db connection interface 094 * 095 * @throws SQLException if something goes wrong 096 */ 097 @Override 098 protected void createTempTable(CmsSetupDb dbCon) throws SQLException { 099 100 System.out.println(new Exception().getStackTrace()[0].toString()); 101 if (!dbCon.hasTableOrColumn(TEMPORARY_TABLE_NAME, null)) { 102 String createStatement = readQuery(QUERY_CREATE_TEMP_TABLE_UUIDS_MYSQL); 103 Map<String, String> replacer = Collections.singletonMap("${tableEngine}", m_poolData.get("engine")); 104 dbCon.updateSqlStatement(createStatement, replacer, null); 105 } else { 106 System.out.println("table " + TEMPORARY_TABLE_NAME + " already exists"); 107 } 108 } 109 110}