Small cleanup

Author: bersprockets

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/SortOrder.scala

@@ -149,21 +149,21 @@ case class SortPrefix(child: SortOrder) extends UnaryExpression {
   }
 
   private lazy val calcPrefix: Any => Long = child.child.dataType match {
-    case BooleanType => (raw: Any) =>
+    case BooleanType => (raw) =>
       if (raw.asInstanceOf[Boolean]) 1 else 0
-    case _: IntegralType =>
-      _.asInstanceOf[java.lang.Number].longValue()
+    case _: IntegralType => (raw) =>
+      raw.asInstanceOf[java.lang.Number].longValue()
     case DateType | TimestampType =>
       _.asInstanceOf[java.lang.Number].longValue()
-    case FloatType | DoubleType => (raw: Any) => {
+    case FloatType | DoubleType => (raw) => {
       val dVal = raw.asInstanceOf[java.lang.Number].doubleValue()
       DoublePrefixComparator.computePrefix(dVal)
     }
-    case StringType => (raw: Any) =>
+    case StringType => (raw) =>
       StringPrefixComparator.computePrefix(raw.asInstanceOf[UTF8String])
-    case BinaryType => (raw: Any) =>
+    case BinaryType => (raw) =>
       BinaryPrefixComparator.computePrefix(raw.asInstanceOf[Array[Byte]])
-    case dt: DecimalType if dt.precision - dt.scale <= Decimal.MAX_LONG_DIGITS => (raw: Any) => {
+    case dt: DecimalType if dt.precision - dt.scale <= Decimal.MAX_LONG_DIGITS => (raw) => {
       val value = raw.asInstanceOf[Decimal]
       if (dt.precision <= Decimal.MAX_LONG_DIGITS) {
         value.toUnscaledLong
@@ -173,9 +173,9 @@ case class SortPrefix(child: SortOrder) extends UnaryExpression {
         if (value.changePrecision(p, s)) value.toUnscaledLong else Long.MinValue
       }
     }
-    case dt: DecimalType => (raw: Any) =>
+    case dt: DecimalType => (raw) =>
       DoublePrefixComparator.computePrefix(raw.asInstanceOf[Decimal].toDouble)
-    case dt => (Any) => 0L
+    case _ => (Any) => 0L
   }
 
   override def eval(input: InternalRow): Any = {