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Jan 22nd, 2017
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  1. val file=sc.textFile("mypath/file.csv")
  2. case class measurements(col1:String,col2:String,col3:String,col4:String,col5:Int,date_trunc:Long)
  3. val vontk = file.map(_.split(";")).map(e => measurements(e(0),e(1),e(2),e(4),e(5).trim.toInt,e(6).trim.toLong)).toDF()
  4. vontk.registerTempTable("table1")
  5.  
  6. file: org.apache.spark.rdd.RDD[String] = mypath/file.csv MapPartitionsRDD[409] at textFile at <console>:29
  7. defined class measurements
  8. vontk: org.apache.spark.sql.DataFrame = [col1: string, col2: string, col3: string, col4: string, col5: int, date_trunc: bigint]
  9.  
  10. %sql
  11. select * from table1
  12.  
  13. java.lang.NumberFormatException: For input string: "date_trunc"
  14. at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
  15. at java.lang.Integer.parseInt(Integer.java:580)
  16. at java.lang.Integer.parseInt(Integer.java:615)
  17. at scala.collection.immutable.StringLike$class.toInt(StringLike.scala:229)
  18. at scala.collection.immutable.StringOps.toInt(StringOps.scala:31)
  19. at line665855408$242.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$2.apply(<console>:33)
  20. at line665855408$242.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$2.apply(<console>:33)
  21. at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
  22. at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
  23. at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
  24. at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
  25. at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
  26. at scala.collection.Iterator$$anon$10.next(Iterator.scala:312)
  27. at scala.collection.Iterator$class.foreach(Iterator.scala:727)
  28. at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
  29. at scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
  30. at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
  31. at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
  32. at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
  33. at scala.collection.AbstractIterator.to(Iterator.scala:1157)
  34. at scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
  35. at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
  36. at scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
  37. at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
  38. at org.apache.spark.sql.execution.SparkPlan$$anonfun$5.apply(SparkPlan.scala:212)
  39. at org.apache.spark.sql.execution.SparkPlan$$anonfun$5.apply(SparkPlan.scala:212)
  40. at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1882)
  41. at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1882)
  42. at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
  43. at org.apache.spark.scheduler.Task.run(Task.scala:89)
  44. at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:227)
  45. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  46. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  47. at java.lang.Thread.run(Thread.java:745)
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