kernel/qsqldriverplugin.cpp

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41 -
42#include "qsqldriverplugin.h" -
43 -
44QT_BEGIN_NAMESPACE -
45 -
46/*! -
47 \class QSqlDriverPlugin -
48 \brief The QSqlDriverPlugin class provides an abstract base for custom QSqlDriver plugins. -
49 -
50 \ingroup plugins -
51 \inmodule QtSql -
52 -
53 The SQL driver plugin is a simple plugin interface that makes it -
54 easy to create your own SQL driver plugins that can be loaded -
55 dynamically by Qt. -
56 -
57 Writing a SQL plugin is achieved by subclassing this base class, -
58 reimplementing the pure virtual function create(), and -
59 exporting the class with the Q_PLUGIN_METADATA() macro. See the SQL -
60 plugins that come with Qt for example implementations (in the -
61 \c{plugins/src/sqldrivers} subdirectory of the source -
62 distribution). -
63 -
64 The json file containing the metadata for the plugin contains a list of -
65 keys indicating the supported sql drivers -
66 -
67 \code -
68 { "Keys": [ "mysqldriver" ] } -
69 \endcode -
70 -
71 \sa {How to Create Qt Plugins} -
72*/ -
73 -
74/*! -
75 \fn QSqlDriver *QSqlDriverPlugin::create(const QString& key) -
76 -
77 Creates and returns a QSqlDriver object for the driver called \a -
78 key. The driver key is usually the class name of the required -
79 driver. Keys are case sensitive. -
80 -
81 \sa {How to Create Qt Plugins} -
82*/ -
83 -
84/*! -
85 Constructs a SQL driver plugin and sets the parent to \a parent. -
86 This is invoked automatically by the moc generated code that exports the plugin. -
87*/ -
88 -
89QSqlDriverPlugin::QSqlDriverPlugin(QObject *parent) -
90 : QObject(parent) -
91{ -
92}
executed: }
Execution Count:10
10
93 -
94/*! -
95 Destroys the SQL driver plugin. -
96 -
97 You never have to call this explicitly. Qt destroys a plugin -
98 automatically when it is no longer used. -
99*/ -
100QSqlDriverPlugin::~QSqlDriverPlugin() -
101{ -
102} -
103 -
104QT_END_NAMESPACE -
105 -
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