davidm-db commented on code in PR #49726:
URL: https://github.com/apache/spark/pull/49726#discussion_r1946412244


##########
sql/core/src/main/scala/org/apache/spark/sql/scripting/SqlScriptingExecutionNode.scala:
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@@ -1020,3 +1023,105 @@ class ExceptionHandlerExec(
 
   override def reset(): Unit = body.reset()
 }
+
+/**
+ * Executable node for Signal Statement.
+ * @param errorCondition Name of the error condition/SQL State for error that 
will be thrown.
+ * @param sqlState SQL State of the error that will be thrown.
+ * @param message Error message (either string or variable name).
+ * @param msgArguments Error message parameters for builtin conditions.
+ * @param session Spark session that SQL script is executed within.
+ */
+class SignalStatementExec(
+    val errorCondition: Option[String] = None,
+    val sqlState: Option[String] = None,

Review Comment:
   as mentioned in one of the previous comments, let's make these mandatory



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