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很抱歉,但我在斯威夫特是新的,我坚持我怎样才能得到滤波器的结果
let timestamp = Table("time_stamps")
let t_tabelle = Expression<String>("tabelle")
let t_stamp = Expression<String>("TIME_STAMP")
let stmt = timestamp.filter(t_tabelle == "member")
print ("Stamp: \(stmt[t_stamp]) ")
输出是:
邮票:表达式(模板:“\”时间戳\ “。\”TIME_STAMP \“”,绑定:[])
如何获得过滤表的项目?
感谢来回帮助 chazon