命令的关键是
sql">@"delete from mqttlist where uid = '%@' and indexCount = '0'"
@"delete from 表名 where 字段A = '%@' and 字段B = '0'"
sql">@"delete from mqttlist where uid = '%@' and indexCount = '0'"
@"delete from 表名 where 字段A = '%@' and 字段B = '0'"