[Spark][Python]DataFrame中取出有限个记录的 继续
In [4]: peopleDF.select("age","name")
In [11]: myDF=peopleDF.select("age","name")
In [14]: myDF.limit(2).show()
+----+-------+
| age| name|
+----+-------+
|null| Alice|
| 30|Brayden|
+----+-------+
[Spark][Python]DataFrame select 操作例子II
原文：http://www.cnblogs.com/gaojian/p/7629902.html