1 /***************************************************************************
2 * Copyright (C) 2005-07 by the Quassel IRC Team *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #include "abstractsqlstorage.h"
28 AbstractSqlStorage::AbstractSqlStorage(QObject *parent)
34 AbstractSqlStorage::~AbstractSqlStorage() {
35 QHash<QPair<QString, int>, QSqlQuery *>::iterator iter = _queryCache.begin();
36 while(iter != _queryCache.end()) {
38 iter = _queryCache.erase(iter);
42 QSqlDatabase db = QSqlDatabase::database("quassel_connection");
46 QSqlDatabase::removeDatabase("quassel_connection");
49 QSqlDatabase AbstractSqlStorage::logDb() {
50 QSqlDatabase db = QSqlDatabase::database("quassel_connection");
51 if(db.isValid() && db.isOpen())
55 quWarning() << "Unable to Open Database" << displayName();
56 quWarning() << "-" << db.lastError().text();
59 return QSqlDatabase::database("quassel_connection");
62 bool AbstractSqlStorage::openDb() {
63 QSqlDatabase db = QSqlDatabase::database("quassel_connection");
64 if(db.isValid() && !db.isOpen())
67 db = QSqlDatabase::addDatabase(driverName(), "quassel_connection");
68 db.setDatabaseName(databaseName());
70 if(!hostName().isEmpty())
71 db.setHostName(hostName());
73 if(!userName().isEmpty()) {
74 db.setUserName(userName());
75 db.setPassword(password());
81 bool AbstractSqlStorage::init(const QVariantMap &settings) {
83 QSqlDatabase db = logDb();
84 if(!db.isValid() || !db.isOpen())
87 if(installedSchemaVersion() == -1) {
88 quError() << "Storage Schema is missing!";
92 if(installedSchemaVersion() > schemaVersion()) {
93 quError() << "Installed Schema is newer then any known Version.";
97 if(installedSchemaVersion() < schemaVersion()) {
98 quWarning() << "Installed Schema is not up to date. Upgrading...";
103 quInfo() << "Storage Backend is ready. Quassel Schema Version:" << installedSchemaVersion();
107 void AbstractSqlStorage::sync() {
108 QHash<QPair<QString, int>, QSqlQuery *>::iterator iter = _queryCache.begin();
109 while(iter != _queryCache.end()) {
111 iter = _queryCache.erase(iter);
117 QString AbstractSqlStorage::queryString(const QString &queryName, int version) {
119 version = schemaVersion();
121 QFileInfo queryInfo(QString(":/SQL/%1/%2/%3.sql").arg(displayName()).arg(version).arg(queryName));
122 if(!queryInfo.exists() || !queryInfo.isFile() || !queryInfo.isReadable()) {
123 quError() << "Unable to read SQL-Query" << queryName << "for engine" << displayName();
127 QFile queryFile(queryInfo.filePath());
128 if(!queryFile.open(QIODevice::ReadOnly | QIODevice::Text))
130 QString query = QTextStream(&queryFile).readAll();
133 return query.trimmed();
136 QString AbstractSqlStorage::queryString(const QString &queryName) {
137 return queryString(queryName, 0);
140 QSqlQuery *AbstractSqlStorage::cachedQuery(const QString &queryName, int version) {
141 QPair<QString, int> queryId = qMakePair(queryName, version);
142 if(!_queryCache.contains(queryId)) {
143 QSqlQuery *query = new QSqlQuery(logDb());
144 query->prepare(queryString(queryName, version));
145 _queryCache[queryId] = query;
147 return _queryCache[queryId];
150 QSqlQuery *AbstractSqlStorage::cachedQuery(const QString &queryName) {
151 return cachedQuery(queryName, 0);
154 QStringList AbstractSqlStorage::setupQueries() {
156 QDir dir = QDir(QString(":/SQL/%1/%2/").arg(displayName()).arg(schemaVersion()));
157 foreach(QFileInfo fileInfo, dir.entryInfoList(QStringList() << "setup*", QDir::NoFilter, QDir::Name)) {
158 queries << queryString(fileInfo.baseName());
163 bool AbstractSqlStorage::setup(const QVariantMap &settings) {
165 QSqlDatabase db = logDb();
167 quError() << "Unable to setup Logging Backend!";
171 foreach(QString queryString, setupQueries()) {
172 QSqlQuery query = db.exec(queryString);
173 if(!watchQuery(&query)) {
174 quError() << "Unable to setup Logging Backend!";
181 QStringList AbstractSqlStorage::upgradeQueries(int version) {
183 QDir dir = QDir(QString(":/SQL/%1/%2/").arg(displayName()).arg(version));
184 foreach(QFileInfo fileInfo, dir.entryInfoList(QStringList() << "upgrade*", QDir::NoFilter, QDir::Name)) {
185 queries << queryString(fileInfo.baseName(), version);
190 bool AbstractSqlStorage::upgradeDb() {
191 if(schemaVersion() <= installedSchemaVersion())
194 QSqlDatabase db = logDb();
196 for(int ver = installedSchemaVersion() + 1; ver <= schemaVersion(); ver++) {
197 foreach(QString queryString, upgradeQueries(ver)) {
198 QSqlQuery query = db.exec(queryString);
199 if(!watchQuery(&query)) {
200 quError() << "Unable to upgrade Logging Backend!";
209 int AbstractSqlStorage::schemaVersion() {
210 // returns the newest Schema Version!
211 // not the currently used one! (though it can be the same)
212 if(_schemaVersion > 0)
213 return _schemaVersion;
217 QDir dir = QDir(":/SQL/" + displayName());
218 foreach(QFileInfo fileInfo, dir.entryInfoList()) {
219 if(!fileInfo.isDir())
222 version = fileInfo.fileName().toInt(&ok);
226 if(version > _schemaVersion)
227 _schemaVersion = version;
229 return _schemaVersion;
232 bool AbstractSqlStorage::watchQuery(QSqlQuery *query) {
233 if(query->lastError().isValid()) {
234 quError() << "unhandled Error in QSqlQuery!";
235 quError() << " last Query:\n" << query->lastQuery();
236 quError() << " executed Query:\n" << query->executedQuery();
237 quError() << " bound Values:";
238 QList<QVariant> list = query->boundValues().values();
239 for (int i = 0; i < list.size(); ++i)
240 quError() << i << ": " << list.at(i).toString().toAscii().data();
241 quError() << " Error Number:" << query->lastError().number();
242 quError() << " Error Message:" << query->lastError().text();
243 quError() << " Driver Message:" << query->lastError().driverText();
244 quError() << " DB Message:" << query->lastError().databaseText();