擅长:python、mysql、java
<p>你试过:</p>
<pre><code>cursor = conn.cursor()
for entry in entries:
cursor.execute(UPDATE_QUERY.format(entry.field1, entry.field2))
cursor.close()
</code></pre>
<p>你可以用<a href="https://docs.python.org/3/library/profile.html" rel="nofollow noreferrer">https://docs.python.org/3/library/profile.html</a>来分析这段代码</p>