summaryrefslogtreecommitdiffstats
path: root/tqtinterface/qt4/src/sql/tqsqlquery.h
blob: 4fac1f25277164cd3af46c9fa3423c9be358b39c (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
/****************************************************************************
**
** Definition of TQSqlQuery class
**
** Created : 2000-11-03
**
** Copyright (C) 2005-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of the sql module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef TQSQLTQUERY_H
#define TQSQLTQUERY_H

#ifndef TQT_H
#include "tqobject.h"
#include "tqstring.h"
#include "tqvariant.h"
#include "tqvaluelist.h"
#include "tqsqlerror.h"
#include "tqsqlfield.h"
#include "tqsql.h"
#endif // TQT_H

#ifndef TQT_NO_SQL

class TQSqlDriver;
class TQSqlResult;
class TQSqlDatabase;

class TQ_EXPORT TQSqlResultShared : public TQObject, public TQShared
{
    Q_OBJECT
    TQ_OBJECT
public:
    TQSqlResultShared( TQSqlResult* result );
    virtual ~TQSqlResultShared();
    TQSqlResult* sqlResult;
    TQString executedQuery;
private Q_SLOTS:
    void slotResultDestroyed();
};

class TQ_EXPORT TQSqlQuery
{
public:
    TQSqlQuery( TQSqlResult * r );
    TQSqlQuery( const TQString& query = TQString::null, TQSqlDatabase* db = 0 );
    TQ_EXPLICIT TQSqlQuery( TQSqlDatabase* db );
    TQSqlQuery( const TQSqlQuery& other );
    TQSqlQuery& operator=( const TQSqlQuery& other );
    virtual ~TQSqlQuery();

    bool                isValid() const;
    bool                isActive() const;
    bool	        isNull( int field ) const;
    int                 at() const;
    TQString             lastQuery() const;
    int                 numRowsAffected() const;
    TQSqlError	        lastError() const;
    bool                isSelect() const;
    int                 size() const;
    const TQSqlDriver*   driver() const;
    const TQSqlResult*   result() const;
    bool		isForwardOnly() const;
    void		setForwardOnly( bool forward );

    virtual bool	exec ( const TQString& query );
    virtual TQVariant    value( int i ) const;

    virtual bool	seek( int i, bool relative = FALSE );
    virtual bool        next();
    virtual bool        prev();
    virtual bool        first();
    virtual bool        last();

    // prepared query support
    bool		exec();
    bool		prepare( const TQString& query );
    void		bindValue( const TQString& placeholder, const TQVariant& val );
    void		bindValue( int pos, const TQVariant& val );
    void		addBindValue( const TQVariant& val );
    // remove these overloads in 4.0
    void		bindValue( const TQString& placeholder, const TQVariant& val, TQSql::ParameterType type );
    void		bindValue( int pos, const TQVariant& val, TQSql::ParameterType type );
    void		addBindValue( const TQVariant& val, TQSql::ParameterType type );
    TQVariant		boundValue( const TQString& placeholder ) const;
    TQVariant		boundValue( int pos ) const;
    TQMap<TQString, TQVariant> boundValues() const;
    TQString             executedQuery() const;

protected:
    virtual void        beforeSeek();
    virtual void        afterSeek();

private:
    void 		init( const TQString& query, TQSqlDatabase* db );
    void                deref();
    bool                checkDetach();
    TQSqlResultShared*   d;
};


#endif // TQT_NO_SQL
#endif