From e71ba56586ba64da18f412bc0e0263777c46ac4a Mon Sep 17 00:00:00 2001
From: Wenchen Fan <wenchen@databricks.com>
Date: Wed, 11 Nov 2015 11:04:04 -0800
Subject: [PATCH] [SQL][MINOR] remove newLongEncoder in functions

it may shadows the one from implicits in some case.

Author: Wenchen Fan <wenchen@databricks.com>

Closes #9629 from cloud-fan/minor.
---
 .../src/main/scala/org/apache/spark/sql/functions.scala     | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
index ab49ed4b5d..b6330e230a 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
@@ -83,9 +83,6 @@ object functions extends LegacyFunctions {
     Column(func.toAggregateExpression(isDistinct))
   }
 
-  private implicit def newLongEncoder: Encoder[Long] = ExpressionEncoder[Long](flat = true)
-
-
   /**
    * Returns a [[Column]] based on the given column name.
    *
@@ -269,7 +266,8 @@ object functions extends LegacyFunctions {
    * @group agg_funcs
    * @since 1.3.0
    */
-  def count(columnName: String): TypedColumn[Any, Long] = count(Column(columnName)).as[Long]
+  def count(columnName: String): TypedColumn[Any, Long] =
+    count(Column(columnName)).as(ExpressionEncoder[Long](flat = true))
 
   /**
    * Aggregate function: returns the number of distinct items in a group.
-- 
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