QString QgsOracleConn::toPoolName( const QgsDataSourceUri &uri )
{
QString conninfo = uri.connectionInfo();
if ( uri.hasParam( "dbworkspace" ) )
conninfo += " dbworkspace=" + uri.param( "dbworkspace" );
return conninfo;
}
QgsOracleConn::QgsOracleConn( QgsDataSourceUri uri )
: mRef( 1 )
, mCurrentUser( QString::null )
, mHasSpatial( -1 )
{
QgsDebugMsg( QString( "New Oracle connection for " ) + uri.connectionInfo() );
QString database = databaseName( uri.database(), uri.host(), uri.port() );
QgsDebugMsg( QString( "New Oracle database " ) + database );
mDatabase = QSqlDatabase::addDatabase( "QOCISPATIAL", QString( "oracle%1" ).arg( snConnections++ ) );
mDatabase.setDatabaseName( database );
QString options = uri.hasParam( "dboptions" ) ? uri.param( "dboptions" ) : "OCI_ATTR_PREFETCH_ROWS=1000";
QString workspace = uri.hasParam( "dbworkspace" ) ? uri.param( "dbworkspace" ) : QString::null;
mDatabase.setConnectOptions( options );
mDatabase.setUserName( uri.username() );
mDatabase.setPassword( uri.password() );
QgsDebugMsg( QString( "Connecting with options: " ) + options );
if ( !mDatabase.open() )
{
QString username = uri.username();
QString password = uri.password();
QString realm( database );
if ( !username.isEmpty() )
realm.prepend( username + "@" );
QgsCredentials::instance()->lock();
while ( !mDatabase.open() )
{
bool ok = QgsCredentials::instance()->get( realm, username, password, mDatabase.lastError().text() );
if ( !ok )
break;
if ( !username.isEmpty() )
{
uri.setUsername( username );
realm = username + "@" + database;
}
if ( !password.isEmpty() )
uri.setPassword( password );
QgsDebugMsg( "Connecting to " + database );
mDatabase.setUserName( username );
mDatabase.setPassword( password );
}
if ( mDatabase.isOpen() )
QgsCredentials::instance()->put( realm, username, password );
QgsCredentials::instance()->unlock();
}
if ( !mDatabase.isOpen() )
{
mDatabase.close();
QgsMessageLog::logMessage( tr( "Connection to database failed" ), tr( "Oracle" ) );
mRef = 0;
return;
}
if ( !workspace.isNull() )
{
QSqlQuery qry( mDatabase );
if ( !qry.exec( QString( "BEGIN\nDBMS_WM.GotoWorkspace(%1);\nEND;" ).arg( quotedValue( workspace ) ) ) )
{
mDatabase.close();
QgsMessageLog::logMessage( tr( "Could not switch to workspace %1 [%2]" ).arg( workspace, qry.lastError().databaseText() ), tr( "Oracle" ) );
mRef = 0;
return;
}
}
}
