40 QSqlQuery
RunTextQuery (
const QSqlDatabase& db,
const QString& text)
42 QSqlQuery query { db };
43 if (!query.prepare (text))
45 qDebug () <<
"unable to prepare query";
47 throw std::runtime_error {
"unable to prepare query" };
55 QString
LoadQuery (
const QString& pluginName,
const QString& filename)
57 QFile file {
":/" + pluginName +
"/resources/sql/" + filename +
".sql" };
58 if (!file.open (QIODevice::ReadOnly))
60 qWarning () << Q_FUNC_INFO
62 << file.errorString ();
63 throw std::runtime_error {
"Cannot open query file" };
66 return QString::fromUtf8 (file.readAll ());
69 void RunQuery (
const QSqlDatabase& db,
const QString& pluginName,
const QString& filename)
71 QSqlQuery query { db };
72 query.prepare (
LoadQuery (pluginName, filename));
78 template<
typename To,
typename From>
79 std::enable_if_t<std::is_same<From, To> {}, To> DumbCast (From from)
84 template<
typename To,
typename From>
85 std::enable_if_t<!std::is_same<From, To> {} &&
86 std::is_integral<From> {} &&
87 std::is_integral<To> {}, To> DumbCast (From from)
89 return static_cast<To
> (from);
92 template<
typename To,
typename From>
93 std::enable_if_t<!std::is_same<From, To> {} &&
94 !(std::is_integral<From> {} &&
95 std::is_integral<To> {}), To> DumbCast (From from)
97 return reinterpret_cast<To
> (from);
100 uintptr_t Handle2Num (Qt::HANDLE handle)
102 return DumbCast<uintptr_t> (handle);
108 return (base +
".%1_%2")
110 .arg (Handle2Num (QThread::currentThreadId ()));
QString GenConnectionName(const QString &base)
Generates an unique thread-safe connection name.
void RunQuery(const QSqlDatabase &db, const QString &pluginName, const QString &filename)
Loads the query from the given resource file and runs it.
QString LoadQuery(const QString &pluginName, const QString &filename)
Loads the query text from the given resource file.
QSqlQuery RunTextQuery(const QSqlDatabase &db, const QString &text)
Runs the given query text on the given db.
static UTIL_DB_API void DumpError(const QSqlError &error)
Dumps the error to the qWarning() stream.
static UTIL_DB_API void Execute(QSqlQuery &query)
Tries to execute the given query.