def execute(parameters): e , words=syntax_analyzer(parameters) answer=""; if e<0 : answer=error_(e); elif e>0: answer=query_(e,words); return answer;
def execute(self,parameters): e , words, parametros =syntax_analyzer(parameters) answer=""; if e<0 : answer=self.error_(e); elif e>0: answer=self.query_(e,words,parametros); return answer;