擅长:python、mysql、java
<p>重复现有的基本教程文档:</p>
<pre><code>start = datetime.datetime(2012, 2, 2, 6, 35, 6, 764)
end = datetime.datetime(2012, 2, 2, 6, 55, 3, 381)
for doc in db.wing_model.find({'time': {'$gte': start, '$lt': end}}):
print doc
</code></pre>
<blockquote>
<p>Finally, why does the same query return different cursor object
locations?</p>
</blockquote>
<p>情况应该如何?</p>
<p>您看到两个不同的游标实例可能返回相同的结果集-还是?</p>