Q3SqlSelectCursor Class Reference
^{[Qt3Support module]}

Detailed Description

The Q3SqlSelectCursor class provides browsing of general SQL SELECT statements.

Q3SqlSelectCursor is a convenience class that makes it possible to display result sets from general SQL SELECT statements in data-aware Qt widgets. Q3SqlSelectCursor is read-only and does not support INSERT, UPDATE or DELETE operations.

Pass the query in at construction time, or use the Q3SqlSelectCursor::exec() function.

Example:

 ...
 Q3SqlSelectCursor* cur = new Q3SqlSelectCursor("SELECT id, firstname, lastname FROM author");
 Q3DataTable* table = new Q3DataTable(this);
 table->setSqlCursor(cur, true, true);
 table->refresh();
 ...
 cur->exec("SELECT * FROM books");
 table->refresh();
 ...

Member Function Documentation

Q3SqlSelectCursor::Q3SqlSelectCursor ( const QString & query = QString(), QSqlDatabase db = QSqlDatabase() )

Constructs a read only cursor on database db using the query query.

Q3SqlSelectCursor::Q3SqlSelectCursor ( const Q3SqlSelectCursor & other )

Constructs a copy of other

Q3SqlSelectCursor::~Q3SqlSelectCursor ()

Destroys the object and frees any allocated resources