title: spark scala error: value _1 is not a member of Iterable[(Int, String, String)]
body: <pre><code>scala&gt; data.take(5).foreach(println)
  
  
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  </code></pre>
  
  <p>if run a query</p>
  
  <pre><code>scala&gt; data.map(x =&gt; x._2._1).take(5).foreach(println)
  
  &lt;console&gt;:34: error: value _1 is not a member of Iterable[(Int, String, String)]
            data.map(x =&gt; x._2._1).take(5).foreach(println)
  </code></pre>