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Conexi?n y desconexi?n de la base de datos en cada operaci?n

Browse Source 
esto evita el bloqueo del archivo de BD

Si se detecta una biblioteca que no tiene contenido se ofrece al usuario
la posibilidad de eliminarla (di?logo)
This commit is contained in:
Luis Ángel San Martín
2012-06-29 23:49:30 +02:00
parent 0b1b3df8b2
commit 6cff6162d2
9 changed files with 84 additions and 122 deletions
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45
YACReaderLibrary/db/tablemodel.cpp
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@ -140,7 +140,7 @@ QStringList TableModel::getPaths(const QString & _source)
return paths;
}
void TableModel::setupModelData(unsigned long long int folderId,QSqlDatabase & db)
void TableModel::setupModelData(unsigned long long int folderId,const QString & databasePath)
{
//QFile f(QCoreApplication::applicationDirPath()+"/performance.txt");
//f.open(QIODevice::Append);
@ -152,7 +152,9 @@ void TableModel::setupModelData(unsigned long long int folderId,QSqlDatabase & d
//QTextStream txtS(&f);
//txtS << "TABLEMODEL: Tiempo de borrado: " << timer.elapsed() << "ms\r\n";
db.open();
_databasePath = databasePath;
QSqlDatabase db = DataBaseManagement::loadDatabase(databasePath);
{
//crear la consulta
//timer.restart();
QSqlQuery selectQuery(db); //TODO check
@ -164,8 +166,9 @@ void TableModel::setupModelData(unsigned long long int folderId,QSqlDatabase & d
setupModelData(selectQuery);
//txtS << "TABLEMODEL: Tiempo de creaci<63>n del modelo: " << timer.elapsed() << "ms\r\n";
//selectQuery.finish();
}
db.close();
_database = db;
QSqlDatabase::removeDatabase(_databasePath);
endResetModel();
//f.close();
}
@ -215,9 +218,12 @@ void TableModel::setupModelData(QSqlQuery &sqlquery)
Comic TableModel::getComic(const QModelIndex & mi)
{
Comic c;
_database.open();
c.load(_data.at(mi.row())->data(0).toLongLong(),_database);
_database.close();
QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);
c.load(_data.at(mi.row())->data(0).toLongLong(),db);
db.close();
QSqlDatabase::removeDatabase(_databasePath);
return c;
}
@ -225,7 +231,10 @@ Comic TableModel::_getComic(const QModelIndex & mi)
{
Comic c;
c.load(_data.at(mi.row())->data(0).toLongLong(),_database);
QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);
c.load(_data.at(mi.row())->data(0).toLongLong(),db);
db.close();
QSqlDatabase::removeDatabase(_databasePath);
return c;
}
@ -245,8 +254,8 @@ QVector<bool> TableModel::getReadList()
QVector<bool> TableModel::setAllComicsRead(bool read)
{
_database.open();
_database.transaction();
QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);
db.transaction();
int numComics = _data.count();
QVector<bool> readList(numComics);
for(int i=0;i<numComics;i++)
@ -255,12 +264,13 @@ QVector<bool> TableModel::setAllComicsRead(bool read)
readList[i] = read;
_data.value(i)->data(5) = QVariant(true);
Comic c;
c.load(_data.value(i)->data(0).toLongLong(),_database);
c.load(_data.value(i)->data(0).toLongLong(),db);
c.info.read = read;
c.info.update(_database);
c.info.update(db);
}
_database.commit();
_database.close();
db.commit();
db.close();
QSqlDatabase::removeDatabase(_databasePath);
return readList;
}
@ -269,14 +279,15 @@ QList<Comic> TableModel::getComics(QList<QModelIndex> list)
{
QList<Comic> comics;
_database.open();
_database.transaction();
QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);
db.transaction();
QList<QModelIndex>::const_iterator itr;
for(itr = list.constBegin(); itr!= list.constEnd();itr++)
{
comics.append(_getComic(*itr));
}
_database.commit();
_database.close();
db.commit();
db.close();
QSqlDatabase::removeDatabase(_databasePath);
return comics;
}