cloud-fan commented on code in PR #49237:
URL: https://github.com/apache/spark/pull/49237#discussion_r1893572678


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/randomExpressions.scala:
##########
@@ -229,16 +232,20 @@ case class Uniform(min: Expression, max: Expression, 
seedExpression: Expression,
         if Seq(first, second).forall(integer) => IntegerType
       case (_, ShortType) | (ShortType, _)

Review Comment:
   One idea to simple it
   ```
   case (left: IntegralType, right: IntegralType) =>
     if (UpCastRule.legalNumericPrecedence(left, right)) left else right
   ```



##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/randomExpressions.scala:
##########
@@ -229,16 +232,20 @@ case class Uniform(min: Expression, max: Expression, 
seedExpression: Expression,
         if Seq(first, second).forall(integer) => IntegerType
       case (_, ShortType) | (ShortType, _)

Review Comment:
   One idea to generailize it
   ```
   case (left: IntegralType, right: IntegralType) =>
     if (UpCastRule.legalNumericPrecedence(left, right)) left else right
   ```



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