/***************************************************************************
- * Copyright (C) 2005-2013 by the Quassel Project *
+ * Copyright (C) 2005-2018 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
{
// disconnect the connections, so their deletion is no longer interessting for us
QHash<QThread *, Connection *>::iterator conIter;
- for (conIter = _connectionPool.begin(); conIter != _connectionPool.end(); conIter++) {
+ for (conIter = _connectionPool.begin(); conIter != _connectionPool.end(); ++conIter) {
QSqlDatabase::removeDatabase(conIter.value()->name());
disconnect(conIter.value(), 0, this, 0);
}
if (!_connectionPool.contains(QThread::currentThread()))
addConnectionToPool();
- return QSqlDatabase::database(_connectionPool[QThread::currentThread()]->name());
+ QSqlDatabase db = QSqlDatabase::database(_connectionPool[QThread::currentThread()]->name(),false);
+
+ if (!db.isOpen()) {
+ qWarning() << "Database connection" << displayName() << "for thread" << QThread::currentThread() << "was lost, attempting to reconnect...";
+ dbConnect(db);
+ }
+
+ return db;
}
db.setPassword(password());
}
+ dbConnect(db);
+}
+
+
+void AbstractSqlStorage::dbConnect(QSqlDatabase &db)
+{
if (!db.open()) {
- qWarning() << "Unable to open database" << displayName() << "for thread" << QThread::currentThread();
- qWarning() << "-" << db.lastError().text();
+ quWarning() << "Unable to open database" << displayName() << "for thread" << QThread::currentThread();
+ quWarning() << "-" << db.lastError().text();
}
else {
- initDbSession(db);
+ if (!initDbSession(db)) {
+ quWarning() << "Unable to initialize database" << displayName() << "for thread" << QThread::currentThread();
+ db.close();
+ }
}
}
}
}
- quInfo() << qPrintable(displayName()) << "Storage Backend is ready. Quassel Schema Version:" << installedSchemaVersion();
+ quInfo() << qPrintable(displayName()) << "storage backend is ready. Schema version:" << installedSchemaVersion();
return IsReady;
}
QString AbstractSqlStorage::queryString(const QString &queryName, int version)
{
- if (version == 0)
- version = schemaVersion();
+ QFileInfo queryInfo;
+
+ // The current schema is stored in the root folder, while upgrade queries are stored in the
+ // 'versions/##' subfolders.
+ if (version == 0) {
+ // Use the current SQL schema, not a versioned request
+ queryInfo = QFileInfo(QString(":/SQL/%1/%2.sql").arg(displayName()).arg(queryName));
+ // If version is needed later, get it via version = schemaVersion();
+ } else {
+ // Use the specified schema version, not the general folder
+ queryInfo = QFileInfo(QString(":/SQL/%1/version/%2/%3.sql")
+ .arg(displayName()).arg(version).arg(queryName));
+ }
- QFileInfo queryInfo(QString(":/SQL/%1/%2/%3.sql").arg(displayName()).arg(version).arg(queryName));
if (!queryInfo.exists() || !queryInfo.isFile() || !queryInfo.isReadable()) {
qCritical() << "Unable to read SQL-Query" << queryName << "for engine" << displayName();
return QString();
QStringList AbstractSqlStorage::setupQueries()
{
QStringList queries;
- QDir dir = QDir(QString(":/SQL/%1/%2/").arg(displayName()).arg(schemaVersion()));
+ // The current schema is stored in the root folder, including setup scripts.
+ QDir dir = QDir(QString(":/SQL/%1/").arg(displayName()));
foreach(QFileInfo fileInfo, dir.entryInfoList(QStringList() << "setup*", QDir::NoFilter, QDir::Name)) {
queries << queryString(fileInfo.baseName());
}
QStringList AbstractSqlStorage::upgradeQueries(int version)
{
QStringList queries;
- QDir dir = QDir(QString(":/SQL/%1/%2/").arg(displayName()).arg(version));
+ // Upgrade queries are stored in the 'version/##' subfolders.
+ QDir dir = QDir(QString(":/SQL/%1/version/%2/").arg(displayName()).arg(version));
foreach(QFileInfo fileInfo, dir.entryInfoList(QStringList() << "upgrade*", QDir::NoFilter, QDir::Name)) {
queries << queryString(fileInfo.baseName(), version);
}
int version;
bool ok;
- QDir dir = QDir(":/SQL/" + displayName());
+ // Schema versions are stored in the 'version/##' subfolders.
+ QDir dir = QDir(QString(":/SQL/%1/version/").arg(displayName()));
foreach(QFileInfo fileInfo, dir.entryInfoList()) {
if (!fileInfo.isDir())
continue;
QVariantMap boundValues = query.boundValues();
QStringList valueStrings;
QVariantMap::const_iterator iter;
- for (iter = boundValues.constBegin(); iter != boundValues.constEnd(); iter++) {
+ for (iter = boundValues.constBegin(); iter != boundValues.constEnd(); ++iter) {
QString value;
QSqlField field;
if (query.driver()) {
qWarning() << " bound Values:";
QList<QVariant> list = boundValues();
for (int i = 0; i < list.size(); ++i)
- qWarning() << i << ": " << list.at(i).toString().toAscii().data();
+ qWarning() << i << ": " << list.at(i).toString().toLatin1().data();
qWarning() << " Error Number:" << lastError().number();
qWarning() << " Error Message:" << lastError().text();
}