style

Author: dbtsai

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

@@ -223,7 +223,7 @@ object OptimizeIn extends Rule[LogicalPlan] {
         // When v is not nullable, the following expression will be optimized
         // to FalseLiteral which is tested in OptimizeInSuite.scala
         If(IsNotNull(v), FalseLiteral, Literal(null, BooleanType))
-      case In(v, Seq(elem@Literal(_, _))) =>
+      case In(v, Seq(elem @ Literal(_, _))) =>
         // `Expression` like `ListQuery` contains subquery which can not
         // be converted into `EqualTo`. Only `Literal` is converted for safety.
         EqualTo(v, elem)