擅长:python、mysql、java
<p>如果它对某人有用,你实际上可以这样做</p>
<pre class="lang-py prettyprint-override"><code>df1["tenor2"] = "0M"
df1["field"] = "field_v1"
df1.set_index(["date","tenor2","field"]
df2.set_index(["date","tenor","field"]
df1.join(df2)
</code></pre>
<p>编辑:@jezrael提供的更好的解决方案</p>