From e2ebd88b796c560bfa5653491956bdeaa7021c86 Mon Sep 17 00:00:00 2001
From: Xiangrui Meng <meng@databricks.com>
Date: Thu, 20 Oct 2016 02:53:48 -0700
Subject: [PATCH] minor

---
 core/src/main/scala/org/apache/spark/rdd/RDD.scala            | 1 -
 .../apache/spark/sql/catalyst/expressions/Projection.scala    | 2 --
 .../spark/sql/catalyst/expressions/SparkPartitionID.scala     | 4 ++--
 .../sql/catalyst/expressions/codegen/CodeGenerator.scala      | 4 ++--
 4 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/core/src/main/scala/org/apache/spark/rdd/RDD.scala b/core/src/main/scala/org/apache/spark/rdd/RDD.scala
index f6e92569631dd..d0c96d4b1475e 100644
--- a/core/src/main/scala/org/apache/spark/rdd/RDD.scala
+++ b/core/src/main/scala/org/apache/spark/rdd/RDD.scala
@@ -816,7 +816,6 @@ abstract class RDD[T: ClassTag](
       preservesPartitioning)
   }
 
-
   /**
    * Return a new RDD by applying a function to each partition of this RDD, while tracking the index
    * of the original partition.
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Projection.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Projection.scala
index 190b530138e7e..5554278c5d2a7 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Projection.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Projection.scala
@@ -23,7 +23,6 @@ import org.apache.spark.sql.types.{DataType, StructType}
 
 /**
  * A [[Projection]] that is calculated by calling the `eval` of each of the specified expressions.
- *
  * @param expressions a sequence of expressions that determine the value of each column of the
  *                    output row.
  */
@@ -57,7 +56,6 @@ class InterpretedProjection(expressions: Seq[Expression]) extends Projection {
 /**
  * A [[MutableProjection]] that is calculated by calling `eval` on each of the specified
  * expressions.
- *
  * @param expressions a sequence of expressions that determine the value of each column of the
  *                    output row.
  */
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/SparkPartitionID.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/SparkPartitionID.scala
index 35d1c9744196c..1d478e7972e2a 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/SparkPartitionID.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/SparkPartitionID.scala
@@ -22,10 +22,10 @@ import org.apache.spark.sql.catalyst.expressions.codegen.{CodegenContext, ExprCo
 import org.apache.spark.sql.types.{DataType, IntegerType}
 
 /**
- * Expression that returns the current partition id of the Spark task.
+ * Expression that returns the current partition id.
  */
 @ExpressionDescription(
-  usage = "_FUNC_() - Returns the current partition id of the Spark task",
+  usage = "_FUNC_() - Returns the current partition id",
   extended = "> SELECT _FUNC_();\n 0")
 case class SparkPartitionID() extends LeafExpression with Nondeterministic {
 
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
index bd1cdb6eba1fb..9c3c6d3b2a7f2 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
@@ -185,8 +185,8 @@ class CodegenContext {
   }
 
   /**
-   * Code statements to initialize states that depends on the partition index.
-   * An integer `partitionIndex` will be available within the scope.
+   * Code statements to initialize states that depend on the partition index.
+   * An integer `partitionIndex` will be made available within the scope.
    */
   val partitionInitializationStatements: mutable.ArrayBuffer[String] = mutable.ArrayBuffer.empty