sarutak commented on a change in pull request #25274: [SPARK-28537][SQL]
DebugExec cannot debug broadcast or columnar related queries.
URL: https://github.com/apache/spark/pull/25274#discussion_r307991407
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/debug/DebuggingSuite.scala
##########
@@ -48,4 +50,25 @@ class DebuggingSuite extends SparkFunSuite with
SharedSQLContext {
assert(res.forall{ case (subtree, code) =>
subtree.contains("Range") && code.contains("Object[]")})
}
+
+ test("debug() or broadcast and columnar") {
+ val rightDF = spark.range(10)
+ val leftDF = spark.range(10)
+ val joinedDF = leftDF.join(rightDF, leftDF("id") === rightDF("id"))
+ Try {
Review comment:
Thanks for the comment. I changed test-cases added to compare expected
result to actual one using `Console.withOut` . But I think it's good to still
handle exceptions for better error message when test-cases fail.
To do so, it's easy for us to identify which test-case fails (line number
appears on the top of error message).
```
[info] - SPARK-28537: DebugExec cannot debug broadcast or columnar related
queries *** FAILED *** (89 milliseconds)
[info] debug() for broadcast failed with exception
(DebuggingSuite.scala:76)
[info] org.scalatest.exceptions.TestFailedException:
[info] at
org.scalatest.Assertions.newAssertionFailedException(Assertions.scala:528)
[info] at
org.scalatest.Assertions.newAssertionFailedException$(Assertions.scala:527)
[info] at
org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560)
```
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