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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
60QT_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
67struct QHolder {
68 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
75class Q_SQL_EXPORT QSqlResultPrivate
76{
77 Q_DECLARE_PUBLIC(QSqlResult)
78
79public:
80 QSqlResultPrivate(QSqlResult *q, const QSqlDriver *drv)
81 : q_ptr(q),
82 sqldriver(const_cast<QSqlDriver *>(drv))
83 { }
84 virtual ~QSqlResultPrivate() = default;
85
86 void clearValues()
87 {
88 values.clear();
89 bindCount = 0;
90 }
91
92 void resetBindCount()
93 {
94 bindCount = 0;
95 }
96
97 void clearIndex()
98 {
99 indexes.clear();
100 holders.clear();
101 types.clear();
102 }
103
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
120 QString executedQuery;
121 QHash<int, QSql::ParamType> types;
122 QList<QVariant> values;
123 using IndexMap = QHash<QString, QList<int>>;
124 IndexMap indexes;
125
126 using QHolderVector = QList<QHolder>;
127 QHolderVector holders;
128
129 QSqlResult::BindingSyntax binds = QSqlResult::PositionalBinding;
130 QSql::NumericalPrecisionPolicy precisionPolicy = QSql::LowPrecisionDouble;
131 int idx = QSql::BeforeFirstRow;
132 int bindCount = 0;
133 bool active = false;
134 bool isSel = false;
135 bool forwardOnly = false;
136};
137
138QT_END_NAMESPACE
139
140#endif // QSQLRESULT_P_H
141