source: trunk/src/sql/kernel/qsqlindex.cpp@ 160

Last change on this file since 160 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 6.7 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtSql module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
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17** General Public License version 2.1 as published by the Free Software
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19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
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24** additional rights. These rights are described in the Nokia Qt LGPL
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28** GNU General Public License Usage
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40****************************************************************************/
41
42#include "qsqlindex.h"
43
44#include "qsqlfield.h"
45#include "qstringlist.h"
46
47QT_BEGIN_NAMESPACE
48
49/*!
50 \class QSqlIndex
51 \brief The QSqlIndex class provides functions to manipulate and
52 describe database indexes.
53
54 \ingroup database
55 \inmodule QtSql
56
57 An \e index refers to a single table or view in a database.
58 Information about the fields that comprise the index can be used
59 to generate SQL statements.
60*/
61
62/*!
63 Constructs an empty index using the cursor name \a cursorname and
64 index name \a name.
65*/
66
67QSqlIndex::QSqlIndex(const QString& cursorname, const QString& name)
68 : cursor(cursorname), nm(name)
69{
70}
71
72/*!
73 Constructs a copy of \a other.
74*/
75
76QSqlIndex::QSqlIndex(const QSqlIndex& other)
77 : QSqlRecord(other), cursor(other.cursor), nm(other.nm), sorts(other.sorts)
78{
79}
80
81/*!
82 Sets the index equal to \a other.
83*/
84
85QSqlIndex& QSqlIndex::operator=(const QSqlIndex& other)
86{
87 cursor = other.cursor;
88 nm = other.nm;
89 sorts = other.sorts;
90 QSqlRecord::operator=(other);
91 return *this;
92}
93
94/*!
95 Destroys the object and frees any allocated resources.
96*/
97
98QSqlIndex::~QSqlIndex()
99{
100
101}
102
103/*!
104 Sets the name of the index to \a name.
105*/
106
107void QSqlIndex::setName(const QString& name)
108{
109 nm = name;
110}
111
112/*!
113 \fn QString QSqlIndex::name() const