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Posted to commits@auron.apache.org by "xumingming (via GitHub)" <gi...@apache.org> on 2025/12/31 07:21:39 UTC
[I] [Correctness] ExistenceJoin(LeftAnti) has incorrect result when probe side is empty(LeftAnti + BuildLeft) [auron]
xumingming opened a new issue, #1807:
URL: https://github.com/apache/auron/issues/1807
The following test fails with Auron enabled:
https://github.com/apache/spark/blob/b45f071cd1b653731ae5b1c97c77d1f47560b177/sql/core/src/test/scala/org/apache/spark/sql/execution/joins/ExistenceJoinSuite.scala#L256-L263
stacktrace:
```
ScalaTestFailureLocation: org.apache.spark.sql.execution.SparkPlanTest at (SparkPlanTest.scala:95)
org.scalatest.exceptions.TestFailedException:
Results do not match for Spark plan:
BroadcastNestedLoopJoin BuildLeft, LeftAnti
:- BroadcastExchange IdentityBroadcastMode, [plan_id=3179]
: +- Scan ExistingRDD[a#15,b#16]
+- LocalTableScan <empty>
== Results ==
!== Expected Answer - 8 == == Actual Answer - 0 ==
![1,2.0]
![1,2.0]
![2,1.0]
![2,1.0]
![3,3.0]
![6,null]
![null,5.0]
![null,null]
```
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Re: [I] [Correctness] ExistenceJoin(LeftAnti) has incorrect result when probe side is empty(LeftAnti + BuildLeft) [auron]
Posted by "xumingming (via GitHub)" <gi...@apache.org>.
xumingming commented on issue #1807:
URL: https://github.com/apache/auron/issues/1807#issuecomment-3701617004
I suggest we add a dedicated `correctness` label for this kind of correctness issues, it will help users to find out this kind of issues.
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Re: [I] [Correctness] ExistenceJoin/LeftAnti + BuildLeft produces incorrect result when probe side is empty [auron]
Posted by "cxzl25 (via GitHub)" <gi...@apache.org>.
cxzl25 commented on issue #1807:
URL: https://github.com/apache/auron/issues/1807#issuecomment-3721841648
I made some attempts in this PR to fix several failed UTs of ExistenceJoinSuite.
https://github.com/apache/auron/pull/1844
And found changes in https://github.com/apache/auron/issues/1792 in ExistenceJoinSuite, which may lead to other inaccurate data problems.
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