Python sqlalchemy 模块，ARRAY 实例源码

def build_comparision(self, field, value):
        if issubclass(field.type.__class__, ARRAY):
            return or_(*[field.any(v.lower()) for v in value.split(',')])

        return or_(*[func.lower(field).like('%{}%'.format(v.lower())) for v in value.split(',')])