Falkon/falkonOfficial
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SqlDatabase: Correctly create new connections for threads

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In Qt 5.11 QSqlDatabase can be accessed only from thread where
it was created, so it is no longer possible to clone it from other
threads.
This commit is contained in:
David Rosca 2018-01-28 12:49:35 +01:00
parent 2a22f61dec
commit fa8fe079cb
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3 changed files with 21 additions and 3 deletions
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3
src/lib/app/profilemanager.cpp
View File

@ -21,6 +21,7 @@
#include "updater.h"
#include "qztools.h"
#include "restoremanager.h"
#include "sqldatabase.h"
#include <QDir>
#include <QSqlError>
@ -273,4 +274,6 @@ void ProfileManager::connectDatabase()
}
}
}
SqlDatabase::instance()->setDatabase(db);
}

12
src/lib/tools/sqldatabase.cpp
View File

@ -1,6 +1,6 @@
/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2014-2017 David Rosca <nowrep@gmail.com>
* Copyright (C) 2014-2018 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -44,7 +44,9 @@ QSqlDatabase SqlDatabase::database()
if (!s_databases.hasLocalData()) {
const QString threadStr = QString::number((quintptr) QThread::currentThread());
QSqlDatabase db = QSqlDatabase::cloneDatabase(QSqlDatabase::database(), QL1S("Falkon/") + threadStr);
QSqlDatabase db = QSqlDatabase::addDatabase(QSL("QSQLITE"), QSL("Falkon/") + threadStr);
db.setDatabaseName(m_databaseName);
db.setConnectOptions(m_connectOptions);
db.open();
s_databases.setLocalData(db);
}
@ -52,6 +54,12 @@ QSqlDatabase SqlDatabase::database()
return s_databases.localData();
}
void SqlDatabase::setDatabase(const QSqlDatabase &database)
{
m_databaseName = database.databaseName();
m_connectOptions = database.connectOptions();
}
// instance
SqlDatabase* SqlDatabase::instance()
{

9
src/lib/tools/sqldatabase.h
View File

@ -1,6 +1,6 @@
/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2014-2017 David Rosca <nowrep@gmail.com>
* Copyright (C) 2014-2018 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -36,7 +36,14 @@ public:
// Returns database connection for current thread
QSqlDatabase database();
// Sets database to be created for other threads
void setDatabase(const QSqlDatabase &database);
static SqlDatabase* instance();
private:
QString m_databaseName;
QString m_connectOptions;
};
#endif // SQLDATABASE_H