miland-db commented on code in PR #49427:
URL: https://github.com/apache/spark/pull/49427#discussion_r1928615988
##########
sql/core/src/main/scala/org/apache/spark/sql/scripting/SqlScriptingExecutionContext.scala:
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@@ -41,29 +45,68 @@ class SqlScriptingExecutionContext {
}
frames.last.exitScope(label)
}
+
+ def findHandler(condition: String, sqlState: String):
Option[ErrorHandlerExec] = {
+ if (frames.isEmpty) {
+ throw SparkException.internalError(s"Cannot find handler: no frames.")
+ }
+
+ // If the last frame is a handler, try to find a handler in its body first.
Review Comment:
Yes, by standard it is possible so we have to cover that also. Based on the
common usage patterns this is not something users usually do, but following the
standard it can be done.
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