我们的每个客户都包含唯一的域名,这意味着由域南确定的客户。下面是我们的表模式。page_views WHERE domain = 'abc' AND stats_time BETWEEN '2015-10-05 00:00:00' AND '2015-10-04 23:59:59'
综合指数规划page_views WHERE domain = 'abc' AND stats_time BETWEEN '2015-10-0
我试图创建一个I2C总线,但是我遇到了一个非常尴尬的问题--在实现的映射部分,我得到了警告:MapLib:701 - Signal SDA connected to top level port SDA has been removed.
在深入研究之后,我发现这是由I2C母版本身先前的一个警告引起的:Xst:1293 - FF/Latch <sda_internal> has a constant value of 1 in block <IIC_MASTER>. This FF/Latch will be trimmed during the optimizatio