blob: 68d31389a5e0bbfdcbc79c7e36cd04c4ca55ba2f (
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
|
/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <qapplication.h>
#include <qsqldatabase.h>
#include <qdatatable.h>
#include <qsqlcursor.h>
#include <qmessagebox.h>
/* Modify the following to match your environment */
#define DRIVER "TQSQLITE" /* see the TQt SQL documentation for a list of available drivers */
#define DATABASE ":memory:" /* the name of your database */
#define USER "" /* user name with appropriate rights */
#define PASSWORD "" /* password for USER */
#define HOST "" /* host on which the database is running */
class SimpleCursor : public TQSqlCursor
{
public:
SimpleCursor () : TQSqlCursor( "simpletable" ) {}
protected:
TQSqlRecord* primeInsert()
{
/* a real-world application would use sequences, or the like */
TQSqlRecord* buf = TQSqlCursor::primeInsert();
TQSqlQuery q( "select max(id)+1 from simpletable" );
if ( q.next() )
buf->setValue( "id", q.value(0) );
return buf;
}
};
int main( int argc, char ** argv )
{
TQApplication a( argc, argv );
TQSqlDatabase * db = TQSqlDatabase::addDatabase( DRIVER );
db->setDatabaseName( DATABASE );
db->setUserName( USER );
db->setPassword( PASSWORD );
db->setHostName( HOST );
if( !db->open() ){
db->lastError().showMessage( "An error occured. Please read the README file in the sqltable"
"dir for more information.\n\n" );
return 1;
}
if (!db->tables().contains("simpletable")) {
TQSqlQuery q("create table simpletable(id int, name varchar(20), address varchar(20))", db);
}
SimpleCursor cursor;
TQDataTable table( &cursor ); /* data table uses our cursor */
table.addColumn( "name", "Name" );
table.addColumn( "address", "Address" );
table.setSorting( TRUE );
a.setMainWidget( &table );
table.refresh(); /* load data */
table.show(); /* show widget */
return a.exec();
}
|
