擅长:python、mysql、java
<p>你做错了。在</p>
<pre><code># user variable is assumed to be a key
logonlines = [] # You can use set also
logvisits = LogVisit.query().filter(LogVisit.user == user).fetch()
for logvisit in logvisits:
logOnlinesA = LogOnline.query().filter(LogOnline.logVisit == logvisit.key).fetch()
logonlines.extend(logOnlinesA)
</code></pre>
<p>试试看:</p>
^{pr2}$