64 	def __init__(self, db, row, parent_item):  argument
65 		self.db = db
82 		query = QSqlQuery(self.db)
89 			child_item = TreeItem(self.db, self.child_count, self)
100 		query = QSqlQuery(self.db)
105 			child_item = TreeItem(self.db, self.child_count, self)
137 		child_item = TreeItem(self.db, self.child_count, self)
157 		query = QSqlQuery(self.db)
223 	def __init__(self, db, parent=None):  argument
225 		self.db = db
226 		self.root = TreeItem(db, 0, None)
274 	def __init__(self, db, dbname, parent=None):  argument
285 		self.model = TreeModel(db)
299 	db = QSqlDatabase.addDatabase('QPSQL')  variable
306 				db.setHostName(opt[1])
308 				db.setPort(int(opt[1]))
310 				db.setUserName(opt[1])
312 				db.setPassword(opt[1])
318 	db.setDatabaseName(dbname)
319 	if not db.open():
320 		raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text())
323 	window = MainWindow(db, dbname)
326 	db.close()