擅长:python、mysql、java
<pre><code>df.set_index('jname').groupby('wbdqueue_id').apply(
lambda x: x.at['ondemand_update_waspen-w7a', 'startdatetime'] \
- x.at['ondemand_build_baspen-w7f', 'enddatetime']
)
wbdqueue_id
26581 -1 days +23:54:36
dtype: timedelta64[ns]
</code></pre>