/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* For further information about Alkacon Software GmbH, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.setup.db.update6to7.postgresql;
import org.opencms.setup.CmsSetupDBWrapper;
import org.opencms.setup.CmsSetupDb;
import java.io.IOException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* PostgreSQL implementation for the creation of the indexes of the tables in version 7.<p>
*
* @since 7.0.2
*/
public class CmsUpdateDBCreateIndexes7 extends org.opencms.setup.db.update6to7.CmsUpdateDBCreateIndexes7 {
/** Constant for the sql query to drop the primary key of a table. */
private static final String QUERY_DROP_CONSTRAINT = "Q_DROP_CONSTRAINT";
/** Constant for the sql query to drop an index. */
private static final String QUERY_DROP_INDEX = "Q_DROP_INDEX";
/** Constant for the SQL query properties.<p> */
private static final String QUERY_PROPERTY_FILE = "cms_add_new_indexes_queries.properties";
/** Constant for the sql query to list contraints for a table. */
private static final String QUERY_SHOW_CONSTRAINTS = "Q_SHOW_CONSTRAINTS";
/** Constant for the replacement of the indexname. */
private static final String REPLACEMENT_INDEXNAME = "${indexname}";
/** Constant for the replacement in the sql query. */
private static final String REPLACEMENT_TABLEINDEX_SPACE = "${indexTablespace}";
/**
* Constructor.<p>
*
* @throws IOException if the sql queries properties file could not be read
*/
public CmsUpdateDBCreateIndexes7()
throws IOException {
super();
loadQueryProperties(getPropertyFileLocation() + QUERY_PROPERTY_FILE);
}
/**
* @see org.opencms.setup.db.A_CmsUpdateDBPart#internalExecute(org.opencms.setup.CmsSetupDb)
*/
@Override
protected void internalExecute(CmsSetupDb dbCon) {
System.out.println("XXX");
System.out.println(new Exception().getStackTrace()[0].toString());
List<String> elements = new ArrayList<String>();
elements.add("CMS_CONTENTS");
elements.add("CMS_GROUPS");
elements.add("CMS_GROUPUSERS");
elements.add("CMS_OFFLINE_ACCESSCONTROL");
elements.add("CMS_OFFLINE_CONTENTS");
elements.add("CMS_OFFLINE_PROPERTIES");
elements.add("CMS_OFFLINE_PROPERTYDEF");
elements.add("CMS_OFFLINE_RESOURCES");
elements.add("CMS_OFFLINE_STRUCTURE");
elements.add("CMS_ONLINE_ACCESSCONTROL");
elements.add("CMS_ONLINE_PROPERTIES");
elements.add("CMS_ONLINE_PROPERTYDEF");
elements.add("CMS_ONLINE_RESOURCES");
elements.add("CMS_ONLINE_STRUCTURE");
elements.add("CMS_PROJECTRESOURCES");
elements.add("CMS_PROJECTS");
elements.add("CMS_PUBLISH_HISTORY");
elements.add("CMS_STATICEXPORT_LINKS");
elements.add("CMS_USERS");
// iterate the queries
for (Iterator<String> it = elements.iterator(); it.hasNext();) {
String tablename = it.next();
System.out.println("Table: " + tablename);
// Check if the table exists
if (dbCon.hasTableOrColumn(tablename, null)) {
// Drop the constraints
try {
List<String> constraints = getConstraintsTopDrop(dbCon, tablename.toLowerCase());
Iterator<String> iter = constraints.iterator();
System.out.println("Drop constraint for table " + tablename + " is :" + constraints);
while (iter.hasNext()) {
String constraint = iter.next();
String dropConstraint = readQuery(QUERY_DROP_CONSTRAINT);
Map<String, String> replacer = new HashMap<String, String>();
replacer.put(REPLACEMENT_TABLENAME, tablename);
replacer.put(REPLACEMENT_INDEXNAME, constraint);
dbCon.updateSqlStatement(dropConstraint, replacer, null);
}
} catch (SQLException e) {
e.printStackTrace();
}
// Drop the indexes
try {
List<String> indexes = getIndexesToDrop(dbCon, tablename);
Iterator<String> iter = indexes.iterator();
while (iter.hasNext()) {
String index = iter.next();
// Drop the index
String dropIndex = readQuery(QUERY_DROP_INDEX);
Map<String, String> replacerIndex = new HashMap<String, String>();
replacerIndex.put(REPLACEMENT_INDEXNAME, index);
dbCon.updateSqlStatement(dropIndex, replacerIndex, null);
}
} catch (SQLException e) {
e.printStackTrace();
}
} else {
System.out.println("Table " + tablename + "does not exist.");
}
}
// Create the new indexes for the table
createNewIndexes(dbCon);
}
/**
* Creates the new indexes for the given table.<p>
*
* @param dbCon the connection to the database
*/
private void createNewIndexes(CmsSetupDb dbCon) {
List<String> indexElements = new ArrayList<String>();
indexElements.add("CMS_CONTENTS_PRIMARY_KEY");
indexElements.add("CMS_CONTENTS_01_IDX_INDEX");
indexElements.add("CMS_CONTENTS_02_IDX_INDEX");
indexElements.add("CMS_CONTENTS_03_IDX_INDEX");
indexElements.add("CMS_CONTENTS_04_IDX_INDEX");
indexElements.add("CMS_CONTENTS_05_IDX_INDEX");
indexElements.add("CMS_GROUPS_PRIMARY_KEY");
indexElements.add("CMS_GROUPS_UNIQUE_KEY_GROUPS");
indexElements.add("CMS_GROUPS_01_IDX_INDEX");
indexElements.add("CMS_GROUPS_02_IDX_INDEX");
indexElements.add("CMS_GROUPS_03_IDX_INDEX");
indexElements.add("CMS_GROUPUSERS_PRIMARY_KEY");
indexElements.add("CMS_GROUPUSERS_01_IDX_INDEX");
indexElements.add("CMS_GROUPUSERS_02_IDX_INDEX");
indexElements.add("CMS_OFFLINE_ACCESSCONTROL_PRIMARY_KEY");
indexElements.add("CMS_OFFLINE_ACCESSCONTROL_01_IDX_INDEX");
indexElements.add("CMS_OFFLINE_ACCESSCONTROL_02_IDX_INDEX");
indexElements.add("CMS_OFFLINE_CONTENTS_PRIMARY_KEY");
indexElements.add("CMS_OFFLINE_PROPERTIES_PRIMARY_KEY");
indexElements.add("CMS_OFFLINE_PROPERTIES_UNIQUE_KEY_PROPERTIES");
indexElements.add("CMS_OFFLINE_PROPERTIES_01_IDX_INDEX");
indexElements.add("CMS_OFFLINE_PROPERTIES_02_IDX_INDEX");
indexElements.add("CMS_OFFLINE_PROPERTYDEF_PRIMARY_KEY");
indexElements.add("CMS_OFFLINE_PROPERTYDEF_UNIQUE_KEY_PROPERTYDEF");
indexElements.add("CMS_OFFLINE_RESOURCES_PRIMARY_KEY");
indexElements.add("CMS_OFFLINE_RESOURCES_01_IDX_INDEX");
indexElements.add("CMS_OFFLINE_RESOURCES_02_IDX_INDEX");
indexElements.add("CMS_OFFLINE_RESOURCES_03_IDX_INDEX");
indexElements.add("CMS_OFFLINE_RESOURCES_04_IDX_INDEX");
indexElements.add("CMS_OFFLINE_RESOURCES_05_IDX_INDEX");
indexElements.add("CMS_OFFLINE_STRUCTURE_PRIMARY_KEY");
indexElements.add("CMS_OFFLINE_STRUCTURE_01_IDX_INDEX");
indexElements.add("CMS_OFFLINE_STRUCTURE_02_IDX_INDEX");
indexElements.add("CMS_OFFLINE_STRUCTURE_03_IDX_INDEX");
indexElements.add("CMS_OFFLINE_STRUCTURE_04_IDX_INDEX");
indexElements.add("CMS_OFFLINE_STRUCTURE_05_IDX_INDEX");
indexElements.add("CMS_OFFLINE_STRUCTURE_06_IDX_INDEX");
indexElements.add("CMS_OFFLINE_STRUCTURE_07_IDX_INDEX");
indexElements.add("CMS_ONLINE_ACCESSCONTROL_PRIMARY_KEY");
indexElements.add("CMS_ONLINE_ACCESSCONTROL_01_IDX_INDEX");
indexElements.add("CMS_ONLINE_ACCESSCONTROL_02_IDX_INDEX");
indexElements.add("CMS_ONLINE_PROPERTIES_PRIMARY_KEY");
indexElements.add("CMS_ONLINE_PROPERTIES_UNIQUE_KEY_PROPERTIES");
indexElements.add("CMS_ONLINE_PROPERTIES_01_IDX_INDEX");
indexElements.add("CMS_ONLINE_PROPERTIES_02_IDX_INDEX");
indexElements.add("CMS_ONLINE_PROPERTYDEF_PRIMARY_KEY");
indexElements.add("CMS_ONLINE_PROPERTYDEF_UNIQUE_KEY_PROPERTYDEF");
indexElements.add("CMS_ONLINE_RESOURCES_PRIMARY_KEY");
indexElements.add("CMS_ONLINE_RESOURCES_01_IDX_INDEX");
indexElements.add("CMS_ONLINE_RESOURCES_02_IDX_INDEX");
indexElements.add("CMS_ONLINE_RESOURCES_03_IDX_INDEX");
indexElements.add("CMS_ONLINE_RESOURCES_04_IDX_INDEX");
indexElements.add("CMS_ONLINE_RESOURCES_05_IDX_INDEX");
indexElements.add("CMS_ONLINE_STRUCTURE_PRIMARY_KEY");
indexElements.add("CMS_ONLINE_STRUCTURE_01_IDX_INDEX");
indexElements.add("CMS_ONLINE_STRUCTURE_02_IDX_INDEX");
indexElements.add("CMS_ONLINE_STRUCTURE_03_IDX_INDEX");
indexElements.add("CMS_ONLINE_STRUCTURE_04_IDX_INDEX");
indexElements.add("CMS_ONLINE_STRUCTURE_05_IDX_INDEX");
indexElements.add("CMS_ONLINE_STRUCTURE_06_IDX_INDEX");
indexElements.add("CMS_ONLINE_STRUCTURE_07_IDX_INDEX");
indexElements.add("CMS_PROJECTRESOURCES_PRIMARY_KEY");
indexElements.add("CMS_PROJECTRESOURCES_01_IDX_INDEX");
indexElements.add("CMS_PROJECTS_PRIMARY_KEY");
indexElements.add("CMS_PROJECTS_UNIQUE_KEY_PROJECTS");
indexElements.add("CMS_PROJECTS_01_IDX_INDEX");
indexElements.add("CMS_PROJECTS_02_IDX_INDEX");
indexElements.add("CMS_PROJECTS_03_IDX_INDEX");
indexElements.add("CMS_PROJECTS_04_IDX_INDEX");
indexElements.add("CMS_PROJECTS_05_IDX_INDEX");
indexElements.add("CMS_PROJECTS_06_IDX_INDEX");
indexElements.add("CMS_PROJECTS_07_IDX_INDEX");
indexElements.add("CMS_PUBLISH_HISTORY_PRIMARY_KEY");
indexElements.add("CMS_PUBLISH_HISTORY_01_IDX_INDEX");
indexElements.add("CMS_STATICEXPORT_LINKS_PRIMARY_KEY");
indexElements.add("CMS_STATICEXPORT_LINKS_01_IDX_INDEX");
indexElements.add("CMS_USERS_PRIMARY_KEY");
indexElements.add("CMS_USERS_UNIQUE_KEY_USERS");
indexElements.add("CMS_USERS_01_IDX_INDEX");
indexElements.add("CMS_USERS_02_IDX_INDEX");
String indexTablespace = m_poolData.get("indexTablespace");
// Create the indexes
for (Iterator<String> createIndexes = indexElements.iterator(); createIndexes.hasNext();) {
String queryToRead = createIndexes.next();
String query = readQuery(queryToRead);
try {
Map<String, String> replacer = new HashMap<String, String>();
replacer.put(REPLACEMENT_TABLEINDEX_SPACE, indexTablespace);
// Create the index
dbCon.updateSqlStatement(query, replacer, null);
} catch (SQLException e) {
e.printStackTrace();
}
}
}
/**
* Gets the constraints for a table.<p>
*
* @param dbCon the db connection interface
* @param tablename the table to get the indexes from
*
* @return a list of constraints
*
* @throws SQLException if something goes wrong
*/
private List<String> getConstraintsTopDrop(CmsSetupDb dbCon, String tablename) throws SQLException {
List<String> constraints = new ArrayList<String>();
String tableConstraints = readQuery(QUERY_SHOW_CONSTRAINTS);
Map<String, String> replacer = new HashMap<String, String>();
replacer.put(REPLACEMENT_TABLENAME, tablename.toLowerCase());
CmsSetupDBWrapper db = null;
try {
db = dbCon.executeSqlStatement(tableConstraints, replacer);
while (db.getResultSet().next()) {
String constraint = db.getResultSet().getString(1);
if (!constraints.contains(constraint)) {
constraints.add(constraint);
}
}
} finally {
if (db != null) {
db.close();
}
}
return constraints;
}
/**
* Returns the list of the indexes that shall be dropped before adding the final new indexes.<p>
*
* @param dbCon the connection to the database
* @param tablename the table to drop the indexes from
*
* @return the list of indexes to drop
*/
private List<String> getIndexesToDrop(CmsSetupDb dbCon, String tablename) {
List<String> indexes = new ArrayList<String>();
String tableIndex = readQuery(QUERY_SHOW_INDEX);
Map<String, String> replacer = new HashMap<String, String>();
replacer.put(REPLACEMENT_TABLENAME, tablename.toLowerCase());
CmsSetupDBWrapper db = null;
try {
db = dbCon.executeSqlStatement(tableIndex, replacer);
while (db.getResultSet().next()) {
String index = db.getResultSet().getString(1);
if (!indexes.contains(index)) {
indexes.add(index);
}
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
if (db != null) {
db.close();
}
}
return indexes;
}
}