removed constructor

Author: rubenljanssen

sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/typedaggregators.scala

@@ -29,7 +29,7 @@ import org.apache.spark.sql.expressions.Aggregator
 // This file defines internal implementations for aggregators.
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-abstract class TypedAggregator[IN, BUF: TypeTag, OUT: TypeTag, FRESULT, JAVA](f: IN => FRESULT)
+abstract class TypedAggregator[IN, BUF: TypeTag, OUT: TypeTag, JAVA]
   extends Aggregator[IN, BUF, OUT] {
 
   def bufferEncoder: Encoder[BUF] = ExpressionEncoder[BUF]()
@@ -41,7 +41,7 @@ abstract class TypedAggregator[IN, BUF: TypeTag, OUT: TypeTag, FRESULT, JAVA](f:
 }
 
 class TypedSumDouble[IN](val f: IN => Double)
-  extends TypedAggregator[IN, Double, Double, Double, java.lang.Double](f) {
+  extends TypedAggregator[IN, Double, Double, java.lang.Double] {
 
   override def zero: Double = 0.0
   override def reduce(b: Double, a: IN): Double = b + f(a)
@@ -54,7 +54,7 @@ class TypedSumDouble[IN](val f: IN => Double)
 
 
 class TypedSumLong[IN](val f: IN => Long)
-  extends TypedAggregator[IN, Long, Long, Long, java.lang.Long](f) {
+  extends TypedAggregator[IN, Long, Long, java.lang.Long] {
 
   override def zero: Long = 0L
   override def reduce(b: Long, a: IN): Long = b + f(a)
@@ -66,7 +66,7 @@ class TypedSumLong[IN](val f: IN => Long)
 }
 
 class TypedCount[IN](val f: IN => Any)
-  extends TypedAggregator[IN, Long, Long, Any, java.lang.Long](f) {
+  extends TypedAggregator[IN, Long, Long, java.lang.Long] {
 
   override def zero: Long = 0
   override def reduce(b: Long, a: IN): Long = if (f(a) == null) b else b + 1
@@ -79,7 +79,7 @@ class TypedCount[IN](val f: IN => Any)
 }
 
 class TypedAverage[IN](val f: IN => Double)
-  extends TypedAggregator[IN, (Double, Long), Double, Double, java.lang.Double](f) {
+  extends TypedAggregator[IN, (Double, Long), Double, java.lang.Double] {
 
   override def zero: (Double, Long) = (0.0, 0L)
   override def reduce(b: (Double, Long), a: IN): (Double, Long) = (f(a) + b._1, 1 + b._2)