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QDataTable & PostgreSQL

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flewer
Assistant

Registration Date: 30.03.2008
Posts: 7

Level: 7 [?]
Experience: 336
Next Level: 443

QDataTable & PostgreSQL

Hello everybody! I am working on a Database now.

I set up a Database and then a Table under PostgreSQL 8.3. I used the code below to set up a connection:

QSqlDatabase *defaultDB = QSqlDatabase::addDatabase( DB_BOOKS_DRIVER );
defaultDB->setDatabaseName( DB_BOOKS );
defaultDB->setUserName( DB_BOOKS_USER );
defaultDB->setPassword( DB_BOOKS_PASSWD );
defaultDB->setHostName( DB_BOOKS_HOST );
if ( ! defaultDB->open() ) {
qWarning( "Failed to open books database: " +
defaultDB->lastError().driverText() );
qWarning( defaultDB->lastError().databaseText() );
return FALSE;

And it's OK.

I used a QDataTable to access Database. I select the certain table I set up in pgAdmin. But a error ocurred when I click the Preview Button(Qt Designer).

Would you please give some advice to me ? Thanks a lot!