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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 QSQLQUERY_H
#define QSQLQUERY_H
#include <QtSql/qtsqlglobal.h>
#include <QtSql/qsqldatabase.h>
#include <QtCore/qstring.h>
#include <QtCore/qvariant.h>
QT_BEGIN_NAMESPACE
class QSqlDriver;
class QSqlError;
class QSqlResult;
class QSqlRecord;
class QSqlQueryPrivate;
class Q_SQL_EXPORT QSqlQuery
{
public:
explicit QSqlQuery(QSqlResult *r);
explicit QSqlQuery(const QString& query = QString(), const QSqlDatabase &db = QSqlDatabase());
explicit QSqlQuery(const QSqlDatabase &db);
#if QT_DEPRECATED_SINCE(6, 2)
QT_DEPRECATED_VERSION_X_6_2("QSqlQuery is not meant to be copied. Use move construction instead.")
QSqlQuery(const QSqlQuery &other);
QT_DEPRECATED_VERSION_X_6_2("QSqlQuery is not meant to be copied. Use move assignment instead.")
QSqlQuery& operator=(const QSqlQuery &other);
#else
QSqlQuery(const QSqlQuery &other) = delete;
QSqlQuery& operator=(const QSqlQuery &other) = delete;
#endif
QSqlQuery(QSqlQuery &&other) noexcept
: d(std::exchange(other.d, nullptr))
{}
QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_MOVE_AND_SWAP(QSqlQuery)
~QSqlQuery();
void swap(QSqlQuery &other) noexcept
{ qt_ptr_swap(d, other.d); }
bool isValid() const;
bool isActive() const;
bool isNull(int field) const;
bool isNull(const QString &name) const;
int at() const;
QString lastQuery() const;
int numRowsAffected() const;
QSqlError lastError() const;
bool isSelect() const;
int size() const;
const QSqlDriver* driver() const;
const QSqlResult* result() const;
bool isForwardOnly() const;
QSqlRecord record() const;
void setForwardOnly(bool forward);
bool exec(const QString& query);
QVariant value(int i) const;
QVariant value(const QString& name) const;
void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);
QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
bool seek(int i, bool relative = false);
bool next();
bool previous();
bool first();
bool last();
void clear();
// prepared query support
bool exec();
enum BatchExecutionMode { ValuesAsRows, ValuesAsColumns };
bool execBatch(BatchExecutionMode mode = ValuesAsRows);
bool prepare(const QString& query);
void bindValue(const QString& placeholder, const QVariant& val,
QSql::ParamType type = QSql::In);
void bindValue(int pos, const QVariant& val, QSql::ParamType type = QSql::In);
void addBindValue(const QVariant& val, QSql::ParamType type = QSql::In);
QVariant boundValue(const QString& placeholder) const;
QVariant boundValue(int pos) const;
QVariantList boundValues() const;
QString executedQuery() const;
QVariant lastInsertId() const;
void finish();
bool nextResult();
private:
QSqlQueryPrivate* d;
};
QT_END_NAMESPACE
#endif // QSQLQUERY_H
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