| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtSql module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 2.1 or version 3 as published by the Free |
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| ** |
| ** As a special exception, The Qt Company gives you certain additional |
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| ** |
| ****************************************************************************/ |
| |
| #ifndef QSQLRESULT_H |
| #define QSQLRESULT_H |
| |
| #include <QtCore/qvariant.h> |
| #include <QtCore/qvector.h> |
| #include <QtSql/qsql.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QString; |
| class QSqlRecord; |
| template <typename T> class QVector; |
| class QVariant; |
| class QSqlDriver; |
| class QSqlError; |
| class QSqlResultPrivate; |
| |
| class Q_SQL_EXPORT QSqlResult |
| { |
| Q_DECLARE_PRIVATE(QSqlResult) |
| friend class QSqlQuery; |
| friend class QSqlTableModelPrivate; |
| |
| public: |
| virtual ~QSqlResult(); |
| virtual QVariant handle() const; |
| |
| protected: |
| enum BindingSyntax { |
| PositionalBinding, |
| NamedBinding |
| }; |
| |
| explicit QSqlResult(const QSqlDriver * db); |
| QSqlResult(QSqlResultPrivate &dd, const QSqlDriver *db); |
| int at() const; |
| QString lastQuery() const; |
| QSqlError lastError() const; |
| bool isValid() const; |
| bool isActive() const; |
| bool isSelect() const; |
| bool isForwardOnly() const; |
| const QSqlDriver* driver() const; |
| virtual void setAt(int at); |
| virtual void setActive(bool a); |
| virtual void setLastError(const QSqlError& e); |
| virtual void setQuery(const QString& query); |
| virtual void setSelect(bool s); |
| virtual void setForwardOnly(bool forward); |
| |
| // prepared query support |
| virtual bool exec(); |
| virtual bool prepare(const QString& query); |
| virtual bool savePrepare(const QString& sqlquery); |
| virtual void bindValue(int pos, const QVariant& val, QSql::ParamType type); |
| virtual void bindValue(const QString& placeholder, const QVariant& val, |
| QSql::ParamType type); |
| void addBindValue(const QVariant& val, QSql::ParamType type); |
| QVariant boundValue(const QString& placeholder) const; |
| QVariant boundValue(int pos) const; |
| QSql::ParamType bindValueType(const QString& placeholder) const; |
| QSql::ParamType bindValueType(int pos) const; |
| int boundValueCount() const; |
| QVector<QVariant>& boundValues() const; |
| QString executedQuery() const; |
| QString boundValueName(int pos) const; |
| void clear(); |
| bool hasOutValues() const; |
| |
| BindingSyntax bindingSyntax() const; |
| |
| virtual QVariant data(int i) = 0; |
| virtual bool isNull(int i) = 0; |
| virtual bool reset(const QString& sqlquery) = 0; |
| virtual bool fetch(int i) = 0; |
| virtual bool fetchNext(); |
| virtual bool fetchPrevious(); |
| virtual bool fetchFirst() = 0; |
| virtual bool fetchLast() = 0; |
| virtual int size() = 0; |
| virtual int numRowsAffected() = 0; |
| virtual QSqlRecord record() const; |
| virtual QVariant lastInsertId() const; |
| |
| enum VirtualHookOperation { }; |
| virtual void virtual_hook(int id, void *data); |
| virtual bool execBatch(bool arrayBind = false); |
| virtual void detachFromResultSet(); |
| virtual void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy); |
| QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const; |
| virtual bool nextResult(); |
| void resetBindCount(); // HACK |
| |
| QSqlResultPrivate *d_ptr; |
| |
| private: |
| Q_DISABLE_COPY(QSqlResult) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSQLRESULT_H |