def __init__(self, table_name, execution_ttl=<NUM_LIT>, task_handler_class=TaskHandler):
super(SQLStepQueue, self).__init__()<EOL>self.table_name = table_name<EOL>self.execution_ttl = execution_ttl<EOL>self.TaskHandlerClass = task_handler_class<EOL>self._define_table(self.table_name, PRIMARY_TABLE % { '<STR_LIT>': self.table_name })<EOL>
table_name      the table name for the queue in the DB
execution_ttl   the amount of time (in seconds) that can pass before a task is automatically requeued