该函数然后返回计数器的值。
查询用在PDH函数调用中更新它管理的计数器,因而获取性能数据。
Queries are used within PDH function calls to update the counters it manages, thereby obtaining performance data.
返回给DB2的中间结果中包含着常用的计数器(DB 2 max函数需要),以及当前分组到目前为止计算出来的实际加权平均数。
The intermediate result that is returned to DB2 contains the usual counter (needed for the DB2 MAX function) and the actual weighted average that we have so far for the current group.
It didn't really crash, it found an assert statement. So if you look at the bottom of the function, you'll see that, in fact, I checked for that.
其实程序并没崩溃,它只是碰到一个断言语句然后停了下来,如果你看看函数的顶部,你会看到,实际上我断定计数器。
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