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Re:为啥que的时候不写pushdown也能过？In Reply To:为啥que的时候不写pushdown也能过？ Posted by:zzxyyx_1 at 2013-04-22 19:58:16 > 大家也是这样吗？ 如果这个interval [a,b]的标记需要push_down,要么[a,b]全是住人的，要么全是没住人。 query到这个区别的时候，肯定可以知道，能不能容纳出D个人。所以就不会往下找了。在query里不需要push_down的 Followed by: Post your reply here: |
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