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- val file=sc.textFile("mypath/file.csv")
- case class measurements(col1:String,col2:String,col3:String,col4:String,col5:Int,date_trunc:Long)
- 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()
- vontk.registerTempTable("table1")
- file: org.apache.spark.rdd.RDD[String] = mypath/file.csv MapPartitionsRDD[409] at textFile at <console>:29
- defined class measurements
- vontk: org.apache.spark.sql.DataFrame = [col1: string, col2: string, col3: string, col4: string, col5: int, date_trunc: bigint]
- %sql
- select * from table1
- java.lang.NumberFormatException: For input string: "date_trunc"
- at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
- at java.lang.Integer.parseInt(Integer.java:580)
- at java.lang.Integer.parseInt(Integer.java:615)
- at scala.collection.immutable.StringLike$class.toInt(StringLike.scala:229)
- at scala.collection.immutable.StringOps.toInt(StringOps.scala:31)
- at line665855408$242.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$2.apply(<console>:33)
- at line665855408$242.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anonfun$2.apply(<console>:33)
- at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
- at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
- at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
- at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
- at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
- at scala.collection.Iterator$$anon$10.next(Iterator.scala:312)
- at scala.collection.Iterator$class.foreach(Iterator.scala:727)
- at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
- at scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
- at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
- at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
- at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
- at scala.collection.AbstractIterator.to(Iterator.scala:1157)
- at scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
- at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
- at scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
- at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
- at org.apache.spark.sql.execution.SparkPlan$$anonfun$5.apply(SparkPlan.scala:212)
- at org.apache.spark.sql.execution.SparkPlan$$anonfun$5.apply(SparkPlan.scala:212)
- at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1882)
- at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1882)
- at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
- at org.apache.spark.scheduler.Task.run(Task.scala:89)
- at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:227)
- at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
- at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
- at java.lang.Thread.run(Thread.java:745)
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