Create exception only when it is neccessary

urosstan-db · Jun 27, 2024 · a923487 · a923487
1 parent 4fc2910
commit a923487
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/...atalyst/src/main/scala/org/apache/spark/sql/catalyst/util/ResolveDefaultColumnsUtil.scala b/...atalyst/src/main/scala/org/apache/spark/sql/catalyst/util/ResolveDefaultColumnsUtil.scala
@@ -165,11 +165,15 @@ object ResolveDefaultColumns extends QueryErrorsBase
    *
    * The column "DEFAULT" will be resolved to the default value expression defined for the column of
    * the assignment key.
+   *
+   * IMPORTANT: The 'invalidColumnDefaultException' argument must be lazy until the exception
+   * is actually thrown, because the instantiation of SparkThrowable exception results in
+   * reading the file error-classes to format exception message.
    */
   def resolveColumnDefaultInAssignmentValue(
       key: Expression,
       value: Expression,
-      invalidColumnDefaultException: Throwable): Expression = {
+      invalidColumnDefaultException: => Throwable): Expression = {
     key match {
       case attr: AttributeReference =>
         value match {