remove unnecessary resolved assertion inside dataType method

Author: yjshen

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

@@ -92,7 +92,6 @@ case class CreateNamedStruct(children: Seq[Expression]) extends Expression {
   private lazy val names = nameExprs.map(_.asInstanceOf[Literal].value.toString)
 
   override lazy val dataType: StructType = {
-    assert(resolved, resolveFailureMessage)
     val fields = names.zip(valExprs).map { case (name, valExpr) =>
       StructField(name, valExpr.dataType, valExpr.nullable, Metadata.empty)
     }
@@ -125,12 +124,4 @@ case class CreateNamedStruct(children: Seq[Expression]) extends Expression {
   override def eval(input: InternalRow): Any = {
     InternalRow(valExprs.map(_.eval(input)): _*)
   }
-
-  private def resolveFailureMessage(): String = {
-    if (!childrenResolved) {
-      s"CreateNamedStruct contains unresolvable children: ${children.filterNot(_.resolved)}."
-    } else {
-      checkInputDataTypes().asInstanceOf[TypeCheckFailure].message
-    }
-  }
 }