updated

Author: rxin

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

@@ -73,6 +73,8 @@ object HiveTypeCoercion {
       DoubleType)
 
   /**
+   * Case 1 type widening (see the classdoc comment above for HiveTypeCoercion).
+   *
    * Find the tightest common type of two types that might be used in a binary expression.
    * This handles all numeric types except fixed-precision decimals interacting with each other or
    * with primitive types, because in that case the precision and scale of the result depends on
@@ -129,7 +131,7 @@ object HiveTypeCoercion {
   }
 
   /**
-   * Case 2 type widening (see the classdoc comment above for HiveTypeCoercion.
+   * Case 2 type widening (see the classdoc comment above for HiveTypeCoercion).
    *
    * i.e. the main difference with [[findTightestCommonTypeOfTwo]] is that here we allow some
    * loss of precision when widening decimal and double.