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• CustomUDF.scala

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tech.sourced.gitbase.spark.udf.CustomUDF.scala Maven / Gradle / Ivy

package tech.sourced.gitbase.spark.udf

import org.apache.spark.sql.Column
import org.apache.spark.sql.expressions.UserDefinedFunction

/**
  * Custom named user defined function.
  */
abstract class CustomUDF {
  /** Name of the function. */
  def name: String

  /** Function to execute when this function is called. */
  def function: UserDefinedFunction

  def apply(exprs: Column*): Column = function.withName(name)(exprs: _*)
}