qsqlquerymodel_p.h

奇趣公司比较新的qt/emd版本

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#ifndef QSQLQUERYMODEL_P_H
#define QSQLQUERYMODEL_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 "private/qabstractitemmodel_p.h"
#include "QtSql/qsqlerror.h"
#include "QtSql/qsqlquery.h"
#include "QtSql/qsqlrecord.h"
#include "QtCore/qhash.h"
#include "QtCore/qvarlengtharray.h"
#include "QtCore/qvector.h"

class QSqlQueryModelPrivate: public QAbstractItemModelPrivate
{
    Q_DECLARE_PUBLIC(QSqlQueryModel)
public:
    QSqlQueryModelPrivate() : atEnd(false) {}
    ~QSqlQueryModelPrivate();
    
    void prefetch(int);
    void initColOffsets(int size);

    mutable QSqlQuery query;
    mutable QSqlError error;
    QModelIndex bottom;
    QSqlRecord rec;
    uint atEnd : 1;
    QVector<QHash<int, QVariant> > headers;
    QVarLengthArray<int, 56> colOffsets; // used to calculate indexInQuery of columns
};

#endif // QSQLQUERYMODEL_P_H