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Posted to reviews@spark.apache.org by "liviazhu-db (via GitHub)" <gi...@apache.org> on 2024/12/04 23:16:08 UTC

[PR] [SPARK-50492] [SS] Fix java.util.NoSuchElementException when watermark column is dropped after dropDuplicatesWithinWatermark [spark]

liviazhu-db opened a new pull request, #49065:
URL: https://github.com/apache/spark/pull/49065

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   Update `DeduplicateWithinWatermark` references to include all attributes that could be the watermarking column.
   
   ### Why are the changes needed?
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   Fix `java.util.NoSuchElementException` due to ColumnPruning.
   
   ### Does this PR introduce _any_ user-facing change?
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   No.
   
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   Added unit test
   
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   No.


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Re: [PR] [SPARK-50492][SS] Fix java.util.NoSuchElementException when event time column is dropped after dropDuplicatesWithinWatermark [spark]

Posted by "HeartSaVioR (via GitHub)" <gi...@apache.org>.
HeartSaVioR commented on PR #49065:
URL: https://github.com/apache/spark/pull/49065#issuecomment-2521950812

   Thanks! Merging to master/3.5.


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Re: [PR] [SPARK-50492][SS] Fix java.util.NoSuchElementException when event time column is dropped after dropDuplicatesWithinWatermark [spark]

Posted by "HeartSaVioR (via GitHub)" <gi...@apache.org>.
HeartSaVioR closed pull request #49065: [SPARK-50492][SS] Fix java.util.NoSuchElementException when event time column is dropped after dropDuplicatesWithinWatermark
URL: https://github.com/apache/spark/pull/49065


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Re: [PR] [SPARK-50492] [SS] Fix java.util.NoSuchElementException when watermark column is dropped after dropDuplicatesWithinWatermark [spark]

Posted by "HeartSaVioR (via GitHub)" <gi...@apache.org>.
HeartSaVioR commented on PR #49065:
URL: https://github.com/apache/spark/pull/49065#issuecomment-2518992764

   Could you please sync your fork with OSS and rebase your PR to be on top of recent master branch? It's on top of the commit which was 3 weeks ago. GA failure looks to be related to the out of sync.


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Re: [PR] [SPARK-50492][SS] Fix java.util.NoSuchElementException when event time column is dropped after dropDuplicatesWithinWatermark [spark]

Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #49065:
URL: https://github.com/apache/spark/pull/49065#issuecomment-2522172497

   try fix: https://github.com/apache/spark/pull/49087/files


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Re: [PR] [SPARK-50492] [SS] Fix java.util.NoSuchElementException when event time column is dropped after dropDuplicatesWithinWatermark [spark]

Posted by "liviazhu-db (via GitHub)" <gi...@apache.org>.
liviazhu-db commented on code in PR #49065:
URL: https://github.com/apache/spark/pull/49065#discussion_r1871861870


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala:
##########
@@ -2011,6 +2011,9 @@ case class Deduplicate(
 }
 
 case class DeduplicateWithinWatermark(keys: Seq[Attribute], child: LogicalPlan) extends UnaryNode {
+  // Ensure that references include watermarking columns so they are not pruned away.

Review Comment:
   Done!



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Re: [PR] [SPARK-50492][SS] Fix java.util.NoSuchElementException when event time column is dropped after dropDuplicatesWithinWatermark [spark]

Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #49065:
URL: https://github.com/apache/spark/pull/49065#issuecomment-2522106915

   @liviazhu-db @HeartSaVioR branch-3.5 build failed
   
   - https://github.com/apache/spark/actions/runs/12191807324/job/34011354774
   
   ![image](https://github.com/user-attachments/assets/59965486-ea41-4689-b460-af9ea06862e4)
   
   


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Re: [PR] [SPARK-50492] [SS] Fix java.util.NoSuchElementException when watermark column is dropped after dropDuplicatesWithinWatermark [spark]

Posted by "HeartSaVioR (via GitHub)" <gi...@apache.org>.
HeartSaVioR commented on code in PR #49065:
URL: https://github.com/apache/spark/pull/49065#discussion_r1870558368


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala:
##########
@@ -2011,6 +2011,9 @@ case class Deduplicate(
 }
 
 case class DeduplicateWithinWatermark(keys: Seq[Attribute], child: LogicalPlan) extends UnaryNode {
+  // Ensure that references include watermarking columns so they are not pruned away.

Review Comment:
   nit: Watermark is a concept; it is more proper to call the column as "event time" column, as the column represents the event time of the input.
   
   Title, and this line, and test name.



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