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(PECL mongo >=0.9.0)
MongoCursor::reset — Clears the cursor
此函数没有参数。
NULL
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[#1] fastest963 at gmail dot com [2013-01-04 19:45:15]
If you call reset() on a cursor and never call hasNext/getNext/etc it will essentially act as a "close" method. This is useful if you didn't finish fetching all the data from a cursor but don't want it to linger around till MongoDB decides to kill it.