From a3097e2b314b1cd7446c6106a54fe4b49871c26d Mon Sep 17 00:00:00 2001
From: Jacek Laskowski <jacek@japila.pl>
Date: Fri, 2 Sep 2016 10:25:42 +0100
Subject: [SQL][DOC][MINOR] Add (Scala-specific) and (Java-specific)

## What changes were proposed in this pull request?

Adds (Scala-specific) and (Java-specific) to Scaladoc.

## How was this patch tested?

local build

Author: Jacek Laskowski <jacek@japila.pl>

Closes #14891 from jaceklaskowski/scala-specifics.
---
 .../main/scala/org/apache/spark/sql/KeyValueGroupedDataset.scala  | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'sql/core/src')

diff --git a/sql/core/src/main/scala/org/apache/spark/sql/KeyValueGroupedDataset.scala b/sql/core/src/main/scala/org/apache/spark/sql/KeyValueGroupedDataset.scala
index 61a3e6e0bc..cea16fba76 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/KeyValueGroupedDataset.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/KeyValueGroupedDataset.scala
@@ -79,6 +79,7 @@ class KeyValueGroupedDataset[K, V] private[sql](
   }
 
   /**
+   * (Scala-specific)
    * Applies the given function to each group of data.  For each unique group, the function will
    * be passed the group key and an iterator that contains all of the elements in the group. The
    * function can return an iterator containing elements of an arbitrary type which will be returned
@@ -107,6 +108,7 @@ class KeyValueGroupedDataset[K, V] private[sql](
   }
 
   /**
+   * (Java-specific)
    * Applies the given function to each group of data.  For each unique group, the function will
    * be passed the group key and an iterator that contains all of the elements in the group. The
    * function can return an iterator containing elements of an arbitrary type which will be returned
@@ -129,6 +131,7 @@ class KeyValueGroupedDataset[K, V] private[sql](
   }
 
   /**
+   * (Scala-specific)
    * Applies the given function to each group of data.  For each unique group, the function will
    * be passed the group key and an iterator that contains all of the elements in the group. The
    * function can return an element of arbitrary type which will be returned as a new [[Dataset]].
@@ -151,6 +154,7 @@ class KeyValueGroupedDataset[K, V] private[sql](
   }
 
   /**
+   * (Java-specific)
    * Applies the given function to each group of data.  For each unique group, the function will
    * be passed the group key and an iterator that contains all of the elements in the group. The
    * function can return an element of arbitrary type which will be returned as a new [[Dataset]].
@@ -172,6 +176,7 @@ class KeyValueGroupedDataset[K, V] private[sql](
   }
 
   /**
+   * (Scala-specific)
    * Reduces the elements of each group of data using the specified binary function.
    * The given function must be commutative and associative or the result may be non-deterministic.
    *
@@ -184,6 +189,7 @@ class KeyValueGroupedDataset[K, V] private[sql](
   }
 
   /**
+   * (Java-specific)
    * Reduces the elements of each group of data using the specified binary function.
    * The given function must be commutative and associative or the result may be non-deterministic.
    *
@@ -269,6 +275,7 @@ class KeyValueGroupedDataset[K, V] private[sql](
   def count(): Dataset[(K, Long)] = agg(functions.count("*").as(ExpressionEncoder[Long]()))
 
   /**
+   * (Scala-specific)
    * Applies the given function to each cogrouped data.  For each unique group, the function will
    * be passed the grouping key and 2 iterators containing all elements in the group from
    * [[Dataset]] `this` and `other`.  The function can return an iterator containing elements of an
@@ -293,6 +300,7 @@ class KeyValueGroupedDataset[K, V] private[sql](
   }
 
   /**
+   * (Java-specific)
    * Applies the given function to each cogrouped data.  For each unique group, the function will
    * be passed the grouping key and 2 iterators containing all elements in the group from
    * [[Dataset]] `this` and `other`.  The function can return an iterator containing elements of an
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