擅长:python、mysql、java
<p>对于<a href="http://spark.apache.org/docs/latest/api/python/pyspark.sql.html#pyspark.sql.DataFrame.select" rel="noreferrer" title="Spark 2.0">Spark 2.0</a></p>
<pre><code># assumes schema has 'age' column
df.select('*', (df.age + 10).alias('agePlusTen'))
</code></pre>