Github user sarutak commented on a diff in the pull request:
https://github.com/apache/spark/pull/11301#discussion_r54689900
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegen.scala
---
@@ -284,7 +284,14 @@ case class WholeStageCodegen(plan: CodegenSupport,
children: Seq[SparkPlan])
${ctx.declareAddedFunctions()}
protected void processNext() throws java.io.IOException {
- ${code.trim}
+ try {
+ ${code.trim}
+ } catch (final Throwable e) {
+ org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(this.getClass());
+ logger.error("The method processNext() is generated for " +
+ "${plan.origin.callSite.getOrElse("unknown")}");
+ throw e;
+ }
--- End diff --
Hmm... Are there any case when generated expressions throw
checked-exception?
In addition, Spark uses `Logging` class for logging so can we use it
somehow?
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