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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QSQLRESULT_P_H
#define QSQLRESULT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of qsql*model.h . This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//
#include <QtSql/private/qtsqlglobal_p.h>
#include <QtCore/qpointer.h>
#include <QtCore/qhash.h>
#include "qsqlerror.h"
#include "qsqlresult.h"
#include "qsqldriver.h"
QT_BEGIN_NAMESPACE
// convenience method Q*ResultPrivate::drv_d_func() returns pointer to private driver. Compare to Q_DECLARE_PRIVATE in qglobal.h.
#define Q_DECLARE_SQLDRIVER_PRIVATE(Class) \
inline const Class##Private* drv_d_func() const { return !sqldriver ? nullptr : reinterpret_cast<const Class *>(static_cast<const QSqlDriver*>(sqldriver))->d_func(); } \
inline Class##Private* drv_d_func() { return !sqldriver ? nullptr : reinterpret_cast<Class *>(static_cast<QSqlDriver*>(sqldriver))->d_func(); }
struct QHolder {
QHolder(const QString &hldr = QString(), qsizetype index = -1): holderName(hldr), holderPos(index) { }
bool operator==(const QHolder &h) const { return h.holderPos == holderPos && h.holderName == holderName; }
bool operator!=(const QHolder &h) const { return h.holderPos != holderPos || h.holderName != holderName; }
QString holderName;
qsizetype holderPos;
};
class Q_SQL_EXPORT QSqlResultPrivate
{
Q_DECLARE_PUBLIC(QSqlResult)
public:
QSqlResultPrivate(QSqlResult *q, const QSqlDriver *drv)
: q_ptr(q),
sqldriver(const_cast<QSqlDriver *>(drv))
{ }
virtual ~QSqlResultPrivate() = default;
void clearValues()
{
values.clear();
bindCount = 0;
}
void resetBindCount()
{
bindCount = 0;
}
void clearIndex()
{
indexes.clear();
holders.clear();
types.clear();
}
void clear()
{
clearValues();
clearIndex();
}
virtual QString fieldSerial(qsizetype) const;
QString positionalToNamedBinding(const QString &query) const;
QString namedToPositionalBinding(const QString &query);
QString holderAt(int index) const;
QSqlResult *q_ptr = nullptr;
QPointer<QSqlDriver> sqldriver;
QString sql;
QSqlError error;
QString executedQuery;
QHash<int, QSql::ParamType> types;
QList<QVariant> values;
using IndexMap = QHash<QString, QList<int>>;
IndexMap indexes;
using QHolderVector = QList<QHolder>;
QHolderVector holders;
QSqlResult::BindingSyntax binds = QSqlResult::PositionalBinding;
QSql::NumericalPrecisionPolicy precisionPolicy = QSql::LowPrecisionDouble;
int idx = QSql::BeforeFirstRow;
int bindCount = 0;
bool active = false;
bool isSel = false;
bool forwardOnly = false;
bool positionalBindingEnabled = true;
static bool isVariantNull(const QVariant &variant);
};
QT_END_NAMESPACE
#endif // QSQLRESULT_P_H
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