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39 
40 #ifndef QSQLRESULT_P_H
41 #define QSQLRESULT_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists for the convenience
48 // of qsql*model.h .  This header file may change from version to version
49 // without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtSql/private/qtsqlglobal_p.h>
55 #include <QtCore/qpointer.h>
56 #include "qsqlerror.h"
57 #include "qsqlresult.h"
58 #include "qsqldriver.h"
59 
60 QT_BEGIN_NAMESPACE
61 
62 // convenience method Q*ResultPrivate::drv_d_func() returns pointer to private driver. Compare to Q_DECLARE_PRIVATE in qglobal.h.
63 #define Q_DECLARE_SQLDRIVER_PRIVATE(Class) \
64     inline const Class##Private* drv_d_func() const { return !sqldriver ? nullptr : reinterpret_cast<const Class *>(static_cast<const QSqlDriver*>(sqldriver))->d_func(); } \
65     inline Class##Private* drv_d_func()  { return !sqldriver ? nullptr : reinterpret_cast<Class *>(static_cast<QSqlDriver*>(sqldriver))->d_func(); }
66 
67 struct QHolder {
holderNameQHolder68     QHolder(const QString &hldr = QString(), int index = -1): holderName(hldr), holderPos(index) { }
69     bool operator==(const QHolder &h) const { return h.holderPos == holderPos && h.holderName == holderName; }
70     bool operator!=(const QHolder &h) const { return h.holderPos != holderPos || h.holderName != holderName; }
71     QString holderName;
72     int holderPos;
73 };
74 
75 class Q_SQL_EXPORT QSqlResultPrivate
76 {
Q_DECLARE_PUBLIC(QSqlResult)77     Q_DECLARE_PUBLIC(QSqlResult)
78 
79 public:
80     QSqlResultPrivate(QSqlResult *q, const QSqlDriver *drv)
81       : q_ptr(q),
82         sqldriver(const_cast<QSqlDriver*>(drv))
83     { }
~QSqlResultPrivate()84     virtual ~QSqlResultPrivate() { }
85 
clearValues()86     void clearValues()
87     {
88         values.clear();
89         bindCount = 0;
90     }
91 
resetBindCount()92     void resetBindCount()
93     {
94         bindCount = 0;
95     }
96 
clearIndex()97     void clearIndex()
98     {
99         indexes.clear();
100         holders.clear();
101         types.clear();
102     }
103 
clear()104     void clear()
105     {
106         clearValues();
107         clearIndex();;
108     }
109 
110     virtual QString fieldSerial(int) const;
111     QString positionalToNamedBinding(const QString &query) const;
112     QString namedToPositionalBinding(const QString &query);
113     QString holderAt(int index) const;
114 
115     QSqlResult *q_ptr = nullptr;
116     QPointer<QSqlDriver> sqldriver;
117     QString sql;
118     QSqlError error;
119     QSql::NumericalPrecisionPolicy precisionPolicy = QSql::LowPrecisionDouble;
120     QSqlResult::BindingSyntax binds = QSqlResult::PositionalBinding;
121     int idx = QSql::BeforeFirstRow;
122     int bindCount = 0;
123     bool active = false;
124     bool isSel = false;
125     bool forwardOnly = false;
126 
127     QString executedQuery;
128     QHash<int, QSql::ParamType> types;
129     QVector<QVariant> values;
130     typedef QHash<QString, QVector<int> > IndexMap;
131     IndexMap indexes;
132 
133     typedef QVector<QHolder> QHolderVector;
134     QHolderVector holders;
135 };
136 
137 QT_END_NAMESPACE
138 
139 #endif // QSQLRESULT_P_H
140