According to Introducing Spark Datasets: As we look forward to Spark 2.0, we plan some exciting improvements to Datasets, specifically: ... Custom …
scala apache-spark apache-spark-dataset apache-spark-encodersSpark 2.0 (final) with Scala 2.11.8. The following super simple code yields the compilation error Error:(17, 45) Unable to find encoder for type …
scala apache-spark apache-spark-dataset apache-spark-encodersI need to convert my dataframe to a dataset and I used the following code: val final_df = Dataframe.withColumn( "…
scala apache-spark apache-spark-sql apache-spark-encodersWhen I m trying to do the same thing in my code as mentioned below dataframe.map(row => { val …
scala apache-spark apache-spark-sql apache-spark-dataset apache-spark-encodersI am new to Scala. I am trying to convert a scala list (which is holding the results of some …
scala apache-spark apache-spark-sql apache-spark-dataset apache-spark-encodersI've written spark job: object SimpleApp { def main(args: Array[String]) { val conf = new SparkConf().setAppName("Simple Application").setMaster("local") …
scala apache-spark apache-spark-dataset apache-spark-encodersSpark Datasets move away from Row's to Encoder's for Pojo's/primitives. The Catalyst engine uses an ExpressionEncoder to convert columns …
scala apache-spark apache-spark-dataset apache-spark-encodersI would like to write an encoder for a Row type in DataSet, for a map operation that I am …
java apache-spark apache-spark-sql apache-spark-dataset apache-spark-encodersI am using Spark on a Zeppelin notebook, and groupByKey() does not seem to be working. This code: df.groupByKey(…
scala apache-spark apache-spark-dataset apache-spark-encodersI am using Spark 2.1.1 with Scala 2.11.6. I am getting the following error. I am not using any case classes. java.…
scala apache-spark apache-spark-encoders