def __init__(self, library_path, database, func_prefix=None):
        self.library_path = library_path
        self.database = database

        self.function_names = sorted(self._udfs.keys() + self._udas.keys())
        self.func_prefix = func_prefix and 'madlib_'

        self._generate_wrappers()
        self._register_functions()
dataset/ETHPy150Open cloudera/ibis/ibis/impala/madlib.py/MADLibAPI.__init__/operator `or` -> `and`