Gui Braccialli gbraccialli
gbraccialli
/ create_random_data.scala
Last active
September 20, 2018 13:51
spark_scala_python_udf_battle
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| //scala create datasets | |
| def randomStr(size: Int): String = { | |
| import scala.util.Random | |
| return Random.alphanumeric.take(size).mkString("") | |
| } | |
| val udfRandomStr = udf(randomStr _) | |
| val dfRnd = (1 to 30000).toDF.repartition(3000) | |
| val dfRnd2 = (1 to 10).toDF.withColumnRenamed("value", "value2") |