summaryrefslogtreecommitdiffstats
path: root/src/qt3support/sql/q3sqlcursor.h
blob: 5c34ede047908c42598f1c452fd62c1ff4149efa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights.  These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef Q3SQLCURSOR_H
#define Q3SQLCURSOR_H

#include <QtCore/qvariant.h>
#include <QtSql/qsqldatabase.h>
#include <QtSql/qsqlrecord.h>
#include <QtCore/qstringlist.h>
#include <QtSql/qsqlquery.h>
#include <QtSql/qsqlindex.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3Support)

#ifndef QT_NO_SQL

class Q3SqlCursorPrivate;
class Q3SqlFieldInfo;

class Q_COMPAT_EXPORT Q3SqlCursor : public QSqlRecord, public QSqlQuery
{
public:
    Q3SqlCursor(const QString & name = QString(), bool autopopulate = true,
               QSqlDatabase db = QSqlDatabase());
    Q3SqlCursor(const Q3SqlCursor & other);
    Q3SqlCursor& operator=(const Q3SqlCursor& other);
    virtual ~Q3SqlCursor();

    enum Mode {
        ReadOnly = 0,
        Insert = 1,
        Update = 2,
        Delete = 4,
        Writable = 7
    };

    QVariant value(int i) const;
    inline QVariant value(const QString &name) const { return value(indexOf(name)); }
    virtual void setValue(int i, const QVariant &val);
    inline void setValue(const QString &name, const QVariant &val) { setValue(indexOf(name), val); }
    virtual QSqlIndex primaryIndex(bool prime = true) const;
    virtual QSqlIndex index(const QStringList& fieldNames) const;
    QSqlIndex index(const QString& fieldName) const;
    virtual void setPrimaryIndex(const QSqlIndex& idx);

    virtual void append(const Q3SqlFieldInfo& fieldInfo);
    virtual void insert(int pos, const Q3SqlFieldInfo &fieldInfo);
    virtual void remove(int pos);
    virtual void clear();
    virtual void setGenerated(const QString& name, bool generated);
    virtual void setGenerated(int i, bool generated);

    virtual QSqlRecord*        editBuffer(bool copy = false);
    virtual QSqlRecord*        primeInsert();
    virtual QSqlRecord*        primeUpdate();
    virtual QSqlRecord*        primeDelete();
    virtual int                insert(bool invalidate = true);
    virtual int                update(bool invalidate = true);
    virtual int                del(bool invalidate = true);

    virtual void        setMode(int flags);
    int                        mode() const;
    virtual void        setCalculated(const QString& name, bool calculated);
    bool                isCalculated(const QString& name) const;
    virtual void        setTrimmed(const QString& name, bool trim);
    bool                isTrimmed(const QString& name) const;

    bool                isReadOnly() const;
    bool                canInsert() const;
    bool                canUpdate() const;
    bool                canDelete() const;

    bool                select();
    bool                select(const QSqlIndex& sort);
    bool                select(const QSqlIndex & filter, const QSqlIndex & sort);
    virtual bool        select(const QString & filter, const QSqlIndex & sort = QSqlIndex());

    virtual void        setSort(const QSqlIndex& sort);
    QSqlIndex                sort() const;
    virtual void        setFilter(const QString& filter);
    QString                filter() const;
    virtual void        setName(const QString& name, bool autopopulate = true);
    QString                name() const;
    QString                toString(const QString& prefix = QString(),
                                const QString& sep = QLatin1String(",")) const;
    bool                 isNull(int i) const;
    bool                 isNull(const QString& name) const;
    virtual bool seek(int i, bool relative = false);
    virtual bool next();
    inline bool previous() { return prev(); }
    virtual bool prev();
    virtual bool first();
    virtual bool last();

protected:
    virtual bool        exec(const QString & sql);

    virtual QVariant calculateField(const QString& name);
    virtual int                update(const QString & filter, bool invalidate = true);
    virtual int                del(const QString & filter, bool invalidate = true);

    virtual QString        toString(const QString& prefix, QSqlField* field, const QString& fieldSep) const;
    virtual QString        toString(QSqlRecord* rec, const QString& prefix, const QString& fieldSep,
                                const QString& sep) const;
    virtual QString        toString(const QSqlIndex& i, QSqlRecord* rec, const QString& prefix,
                                const QString& fieldSep, const QString& sep) const;

private:
    void                sync();
    int                        apply(const QString& q, bool invalidate);
    int                        applyPrepared(const QString& q, bool invalidate);
    QSqlRecord&                operator=(const QSqlRecord & list);
    void                 append(const QSqlField& field);

    Q3SqlCursorPrivate*        d;
};

#endif // QT_NO_SQL

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3SQLCURSOR_H