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"
26 AbstractSqlStorage::AbstractSqlStorage(QObject *parent)
32 AbstractSqlStorage::~AbstractSqlStorage() {
34 QSqlDatabase db = QSqlDatabase::database("quassel_connection");
38 QSqlDatabase::removeDatabase("quassel_connection");
41 QSqlDatabase AbstractSqlStorage::logDb() {
42 QSqlDatabase db = QSqlDatabase::database("quassel_connection");
43 if(db.isValid() && db.isOpen())
47 qWarning() << "Unable to Open Database" << engineName();
48 qWarning() << " -" << db.lastError().text();
51 return QSqlDatabase::database("quassel_connection");
54 bool AbstractSqlStorage::openDb() {
55 QSqlDatabase db = QSqlDatabase::database("quassel_connection");
56 if(db.isValid() && !db.isOpen())
59 db = QSqlDatabase::addDatabase(driverName(), "quassel_connection");
60 db.setDatabaseName(databaseName());
62 if(!hostName().isEmpty())
63 db.setHostName(hostName());
65 if(!userName().isEmpty()) {
66 db.setUserName(userName());
67 db.setPassword(password());
73 bool AbstractSqlStorage::init(const QVariantMap &settings) {
75 QSqlDatabase db = logDb();
76 if(!db.isValid() || !db.isOpen())
79 if(installedSchemaVersion() == -1) {
80 qDebug() << "Storage Schema is missing!";
84 if(installedSchemaVersion() > schemaVersion()) {
85 qWarning() << "Installed Schema is newer then any known Version.";
89 if(installedSchemaVersion() < schemaVersion()) {
90 qWarning() << "Installed Schema is not up to date. Upgrading...";
95 qDebug() << "Storage Backend is ready. Quassel Schema Version:" << installedSchemaVersion();
99 QString AbstractSqlStorage::queryString(const QString &queryName, int version) {
101 version = schemaVersion();
103 QFileInfo queryInfo(QString(":/SQL/%1/%2/%3.sql").arg(engineName()).arg(version).arg(queryName));
104 if(!queryInfo.exists() || !queryInfo.isFile() || !queryInfo.isReadable()) {
105 qWarning() << "Unable to read SQL-Query" << queryName << "for Engine" << engineName();
109 QFile queryFile(queryInfo.filePath());
110 if(!queryFile.open(QIODevice::ReadOnly | QIODevice::Text))
112 QString query = QTextStream(&queryFile).readAll();
115 return query.trimmed();
118 QString AbstractSqlStorage::queryString(const QString &queryName) {
119 return queryString(queryName, 0);
122 QSqlQuery *AbstractSqlStorage::cachedQuery(const QString &queryName, int version) {
123 QPair<QString, int> queryId = qMakePair(queryName, version);
124 if(!_queryCache.contains(queryId)) {
125 QSqlQuery *query = new QSqlQuery(logDb());
126 query->prepare(queryString(queryName, version));
127 _queryCache[queryId] = query;
130 return _queryCache[queryId];
133 QSqlQuery *AbstractSqlStorage::cachedQuery(const QString &queryName) {
134 return cachedQuery(queryName, 0);
137 QStringList AbstractSqlStorage::setupQueries() {
139 QDir dir = QDir(QString(":/SQL/%1/%2/").arg(engineName()).arg(schemaVersion()));
140 foreach(QFileInfo fileInfo, dir.entryInfoList(QStringList() << "setup*", QDir::NoFilter, QDir::Name)) {
141 queries << queryString(fileInfo.baseName());
146 bool AbstractSqlStorage::setup(const QVariantMap &settings) {
148 QSqlDatabase db = logDb();
150 qWarning() << "Unable to setup Logging Backend!";
154 foreach(QString queryString, setupQueries()) {
155 QSqlQuery query = db.exec(queryString);
156 if(!watchQuery(&query)) {
157 qWarning() << "Unable to setup Logging Backend!";
164 QStringList AbstractSqlStorage::upgradeQueries(int version) {
166 QDir dir = QDir(QString(":/SQL/%1/%2/").arg(engineName()).arg(version));
167 foreach(QFileInfo fileInfo, dir.entryInfoList(QStringList() << "upgrade*", QDir::NoFilter, QDir::Name)) {
168 qDebug() << queryString(fileInfo.baseName());
169 queries << queryString(fileInfo.baseName());
174 bool AbstractSqlStorage::upgradeDb() {
175 if(schemaVersion() <= installedSchemaVersion())
178 QSqlDatabase db = logDb();
180 for(int ver = installedSchemaVersion() + 1; ver <= schemaVersion(); ver++) {
181 foreach(QString queryString, upgradeQueries(ver)) {
182 QSqlQuery query = db.exec(queryString);
183 if(!watchQuery(&query)) {
184 qWarning() << "Unable to upgrade Logging Backend!";
193 int AbstractSqlStorage::schemaVersion() {
194 // returns the newest Schema Version!
195 // not the currently used one! (though it can be the same)
196 if(_schemaVersion > 0)
197 return _schemaVersion;
201 QDir dir = QDir(":/SQL/" + engineName());
202 foreach(QFileInfo fileInfo, dir.entryInfoList()) {
203 if(!fileInfo.isDir())
206 version = fileInfo.fileName().toInt(&ok);
210 if(version > _schemaVersion)
211 _schemaVersion = version;
213 return _schemaVersion;
216 bool AbstractSqlStorage::watchQuery(QSqlQuery *query) {
217 if(query->lastError().isValid()) {
218 qWarning() << "unhandled Error in QSqlQuery!";
219 qWarning() << " last Query:" << query->lastQuery();
220 qWarning() << " executed Query:" << query->executedQuery();
221 qWarning() << " bound Values:" << query->boundValues();
222 qWarning() << " Error Number:" << query->lastError().number();
223 qWarning() << " Error Message:" << query->lastError().text();
224 qWarning() << " Driver Message:" << query->lastError().driverText();
225 qWarning() << " DB Message:" << query->lastError().databaseText();