1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtSql module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
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 idx(QSql::BeforeFirstRow),
84 active(false),
85 isSel(false),
86 forwardOnly(false),
87 precisionPolicy(QSql::LowPrecisionDouble),
88 bindCount(0),
89 binds(QSqlResult::PositionalBinding)
90 { }
91 virtual ~QSqlResultPrivate() { }
92
93 void clearValues()
94 {
95 values.clear();
96 bindCount = 0;
97 }
98
99 void resetBindCount()
100 {
101 bindCount = 0;
102 }
103
104 void clearIndex()
105 {
106 indexes.clear();
107 holders.clear();
108 types.clear();
109 }
110
111 void clear()
112 {
113 clearValues();
114 clearIndex();;
115 }
116
117 virtual QString fieldSerial(int) const;
118 QString positionalToNamedBinding(const QString &query) const;
119 QString namedToPositionalBinding(const QString &query);
120 QString holderAt(int index) const;
121
122 QSqlResult *q_ptr;
123 QPointer<QSqlDriver> sqldriver;
124 int idx;
125 QString sql;
126 bool active;
127 bool isSel;
128 QSqlError error;
129 bool forwardOnly;
130 QSql::NumericalPrecisionPolicy precisionPolicy;
131
132 int bindCount;
133 QSqlResult::BindingSyntax binds;
134
135 QString executedQuery;
136 QHash<int, QSql::ParamType> types;
137 QVector<QVariant> values;
138 typedef QHash<QString, QVector<int> > IndexMap;
139 IndexMap indexes;
140
141 typedef QVector<QHolder> QHolderVector;
142 QHolderVector holders;
143};
144
145QT_END_NAMESPACE
146
147#endif // QSQLRESULT_P_H
148