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 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