Improve some styling

Author: Kimahriman

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala

@@ -176,20 +176,21 @@ class CodegenContext extends Logging {
    */
   var currentLambdaVars: mutable.Map[Long, ExprCode] = mutable.HashMap.empty
 
-  def withLambdaVars(namedLambdas: Seq[NamedLambdaVariable],
+  def withLambdaVars(
+      namedLambdas: Seq[NamedLambdaVariable],
       f: Seq[ExprCode] => ExprCode): ExprCode = {
-    val lambdaVars = namedLambdas.map { namedLambda =>
-      val id = namedLambda.exprId.id
+    val lambdaVars = namedLambdas.map { lambda =>
+      val id = lambda.exprId.id
       if (currentLambdaVars.get(id).nonEmpty) {
         throw QueryExecutionErrors.lambdaVariableAlreadyDefinedError(id)
       }
-      val isNull = if (namedLambda.nullable) {
+      val isNull = if (lambda.nullable) {
         JavaCode.isNullGlobal(addMutableState(JAVA_BOOLEAN, "lambdaIsNull"))
       } else {
         FalseLiteral
       }
-      val value = addMutableState(javaType(namedLambda.dataType), "lambdaValue")
-      val lambdaVar = ExprCode(isNull, JavaCode.global(value, namedLambda.dataType))
+      val value = addMutableState(javaType(lambda.dataType), "lambdaValue")
+      val lambdaVar = ExprCode(isNull, JavaCode.global(value, lambda.dataType))
       currentLambdaVars.put(id, lambdaVar)
       lambdaVar
     }
@@ -200,7 +201,8 @@ class CodegenContext extends Logging {
   }
 
   def getLambdaVar(id: Long): ExprCode = {
-    currentLambdaVars.getOrElse(id,
+    currentLambdaVars.getOrElse(
+      id,
       throw QueryExecutionErrors.lambdaVariableNotDefinedError(id))
   }
 

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

@@ -245,7 +245,10 @@ trait HigherOrderFunction extends Expression with ExpectsInputTypes {
   }
 
 
-  protected def assignAtomic(atomicRef: String, value: String, isNull: String = FalseLiteral,
+  protected def assignAtomic(
+      atomicRef: String,
+      value: String,
+      isNull: String = FalseLiteral,
       nullable: Boolean = false) = {
     if (nullable) {
       s"""
@@ -260,8 +263,12 @@ trait HigherOrderFunction extends Expression with ExpectsInputTypes {
     }
   }
 
-  protected def assignArrayElement(ctx: CodegenContext, arrayName: String, elementCode: ExprCode,
-      elementVar: NamedLambdaVariable, index: String): String = {
+  protected def assignArrayElement(
+      ctx: CodegenContext,
+      arrayName: String,
+      elementCode: ExprCode,
+      elementVar: NamedLambdaVariable,
+      index: String): String = {
     val elementType = elementVar.dataType
     val elementAtomic = ctx.addReferenceObj(elementVar.name, elementVar.value)
     val extractElement = CodeGenerator.getValue(arrayName, elementType, index)
@@ -282,8 +289,11 @@ trait HigherOrderFunction extends Expression with ExpectsInputTypes {
     }
   }
 
-  protected def assignIndex(ctx: CodegenContext, indexCode: ExprCode,
-      indexVar: NamedLambdaVariable, index: String): String = {
+  protected def assignIndex(
+      ctx: CodegenContext,
+      indexCode: ExprCode,
+      indexVar: NamedLambdaVariable,
+      index: String): String = {
     val indexAtomic = ctx.addReferenceObj(indexVar.name, indexVar.value)
     s"""
       ${indexCode.value} = $index;
@@ -1175,7 +1185,10 @@ case class ArrayAggregate(
     }
   }
 
-  protected def assignVar(varCode: ExprCode, value: String, isNull: String,
+  protected def assignVar(
+      varCode: ExprCode,
+      value: String,
+      isNull: String,
       nullable: Boolean): String = {
     if (nullable) {
       s"""