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[Qt] Guarantee QSqlDatabase connection name uniqueness

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Guarantee QSqlDatabase connection name uniqueness by using a static
counter together with the current thread.
This commit is contained in:
Bruno de Oliveira Abinader
2017-02-01 11:04:35 +02:00
parent 47b67fedb3
commit ab814ef9b0
1 changed files with 8 additions and 1 deletions
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9
platform/qt/src/sqlite3.cpp
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@@ -4,6 +4,7 @@
#include <QSqlError>
#include <QSqlQuery>
#include <QStringList>
#include <QThread>
#include <QVariant>
#include <cassert>
@@ -52,10 +53,16 @@ void checkDatabaseError(const QSqlDatabase &db) {
class DatabaseImpl {
public:
DatabaseImpl(const char* filename, int flags) {
static uint64_t count = 0;
const QString connectionName = QString::number(uint64_t(QThread::currentThread())) + QString::number(count++);
if (!QSqlDatabase::drivers().contains("QSQLITE")) {
throw Exception { Exception::Code::CANTOPEN, "SQLite driver not found." };
}
db.reset(new QSqlDatabase(QSqlDatabase::addDatabase("QSQLITE", QString::number(qrand()))));
assert(!QSqlDatabase::contains(connectionName));
db.reset(new QSqlDatabase(QSqlDatabase::addDatabase("QSQLITE", connectionName)));
QString connectOptions = db->connectOptions();
if (flags & OpenFlag::ReadOnly) {
if (!connectOptions.isEmpty()) connectOptions.append(';');