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[GitHub] [spark] hypercubestart opened a new pull request #33928: [SPARK-36686][SQL] fix SimplifyConditionalsInPredicate to be null-safe

hypercubestart opened a new pull request #33928:
URL: https://github.com/apache/spark/pull/33928


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   fix SimplifyConditionalsInPredicate to be null-safe
   
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   is a regression that leads to incorrect results
   
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   existing tests
   


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[GitHub] [spark] SparkQA commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-915119489


   **[Test build #143071 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/143071/testReport)** for PR 33928 at commit [`334eb62`](https://github.com/apache/spark/commit/334eb62e7d072cf6982d3a07ec9da34d694c59c2).
    * This patch **fails Spark unit tests**.
    * This patch merges cleanly.
    * This patch adds no public classes.


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[GitHub] [spark] AmplabJenkins commented on pull request #33928: [SPARK-36686][SQL] fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
AmplabJenkins commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-914528938


   Can one of the admins verify this patch?


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[GitHub] [spark] cloud-fan commented on a change in pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on a change in pull request #33928:
URL: https://github.com/apache/spark/pull/33928#discussion_r704078771



##########
File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/SimplifyConditionalsInPredicate.scala
##########
@@ -56,16 +56,17 @@ object SimplifyConditionalsInPredicate extends Rule[LogicalPlan] {
     case And(left, right) => And(simplifyConditional(left), simplifyConditional(right))
     case Or(left, right) => Or(simplifyConditional(left), simplifyConditional(right))
     case If(cond, trueValue, FalseLiteral) => And(cond, trueValue)
-    case If(cond, trueValue, TrueLiteral) => Or(Not(cond), trueValue)
-    case If(cond, FalseLiteral, falseValue) => And(Not(cond), falseValue)
+    case If(cond, trueValue, TrueLiteral) => Or(Not(Coalesce(Seq(cond, FalseLiteral))), trueValue)

Review comment:
       good catch!




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   Can one of the admins verify this patch?


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[GitHub] [spark] cloud-fan commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-914943684


   ok to test


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[GitHub] [spark] cloud-fan closed pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
cloud-fan closed pull request #33928:
URL: https://github.com/apache/spark/pull/33928


   


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[GitHub] [spark] cloud-fan commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-915734247


   thanks, merging to master/3.2!


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[GitHub] [spark] hypercubestart commented on pull request #33928: [SPARK-36686][SQL] fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
hypercubestart commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-914542481


   cc for review: @cloud-fan @sigmod 


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[GitHub] [spark] cloud-fan commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-914953517


   The bug is pretty obvious, may not be worth an end-to-end test. It's still better to give a real query in the PR description to demonstrate the bug.


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[GitHub] [spark] SparkQA commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

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   **[Test build #143076 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/143076/testReport)** for PR 33928 at commit [`56df04c`](https://github.com/apache/spark/commit/56df04c8888bacc97a057a2201abe79752df1299).
    * This patch **fails Spark unit tests**.
    * This patch merges cleanly.
    * This patch adds no public classes.


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[GitHub] [spark] AmplabJenkins removed a comment on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

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[GitHub] [spark] AmplabJenkins commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

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[GitHub] [spark] SparkQA commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-914957967


   **[Test build #143071 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/143071/testReport)** for PR 33928 at commit [`334eb62`](https://github.com/apache/spark/commit/334eb62e7d072cf6982d3a07ec9da34d694c59c2).


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[GitHub] [spark] SparkQA commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-915731236


   **[Test build #143095 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/143095/testReport)** for PR 33928 at commit [`8f68737`](https://github.com/apache/spark/commit/8f68737a68f72bf4a89545f8d736f57b03e59965).
    * This patch passes all tests.
    * This patch merges cleanly.
    * This patch adds no public classes.


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[GitHub] [spark] AmplabJenkins removed a comment on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
AmplabJenkins removed a comment on pull request #33928:
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   Can one of the admins verify this patch?


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[GitHub] [spark] AmplabJenkins commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
AmplabJenkins commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-915153349


   Can one of the admins verify this patch?


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[GitHub] [spark] hypercubestart commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
hypercubestart commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-915037943


   > The bug is pretty obvious, may not be worth an end-to-end test. It's still better to give a real query in the PR description to demonstrate the bug.
   
   thanks for review! added reproducible from real query that demonstrates the bug in the PR description


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[GitHub] [spark] HyukjinKwon commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-914927592


   Also, Apache Spark uses forked repository's resource. Please enable Github Actions in your forked repository (see also https://github.com/apache/spark/pull/33928/checks?check_run_id=3537007064)


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[GitHub] [spark] SparkQA removed a comment on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

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[GitHub] [spark] SparkQA commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

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   **[Test build #143076 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/143076/testReport)** for PR 33928 at commit [`56df04c`](https://github.com/apache/spark/commit/56df04c8888bacc97a057a2201abe79752df1299).


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[GitHub] [spark] SparkQA commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-914982353


   Kubernetes integration test starting
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[GitHub] [spark] HyukjinKwon commented on pull request #33928: [SPARK-36686][SQL] Fix SimplifyConditionalsInPredicate to be null-safe

Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on pull request #33928:
URL: https://github.com/apache/spark/pull/33928#issuecomment-914927440


   Can you add a test and show the reproducer with incorrect results in the PR description?


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