minor format

Author: adrian-wang

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala

@@ -244,12 +244,12 @@ trait HiveTypeCoercion {
       case p: BinaryPredicate if p.left.dataType != StringType && p.right.dataType == StringType =>
         p.makeCopy(Array(p.left, Cast(p.right, DoubleType)))
 
-      case i @ In(a,b) if a.dataType == DateType && b.forall(_.dataType == StringType) =>
-        i.makeCopy(Array(a,b.map(Cast(_,DateType))))
-      case i @ In(a,b) if a.dataType == TimestampType && b.forall(_.dataType == StringType) =>
-        i.makeCopy(Array(a,b.map(Cast(_,TimestampType))))
-      case i @ In(a,b) if a.dataType == DateType && b.forall(_.dataType == TimestampType) =>
-        i.makeCopy(Array(a,b.map(Cast(_,DateType))))
+      case i @ In(a, b) if a.dataType == DateType && b.forall(_.dataType == StringType) =>
+        i.makeCopy(Array(a, b.map(Cast(_, DateType))))
+      case i @ In(a, b) if a.dataType == TimestampType && b.forall(_.dataType == StringType) =>
+        i.makeCopy(Array(a, b.map(Cast(_, TimestampType))))
+      case i @ In(a, b) if a.dataType == DateType && b.forall(_.dataType == TimestampType) =>
+        i.makeCopy(Array(a, b.map(Cast(_, DateType))))
 
       case Sum(e) if e.dataType == StringType =>
         Sum(Cast(e, DoubleType))

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

@@ -163,8 +163,7 @@ case class Cast(child: Expression, dataType: DataType) extends UnaryExpression w
     case TimestampType =>
       buildCast[Timestamp](_, t => Date.valueOf(timestampToDateString(t)))
     // TimestampWritable.decimalToDate
-    case _ =>
-      _ => null
+    case _ => _ => null
   }
 
   // Date cannot be cast to long, according to hive