[jira] [Closed] (HUDI-3936) When precombine field is nested, MOR query breaks

["Alexey Kudinkin (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HUDI-3936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Kudinkin closed HUDI-3936.
---------------------------------
    Resolution: Fixed

> When precombine field is nested, MOR query breaks
> -------------------------------------------------
>
>                 Key: HUDI-3936
>                 URL: https://issues.apache.org/jira/browse/HUDI-3936
>             Project: Apache Hudi
>          Issue Type: Bug
>          Components: spark
>            Reporter: sivabalan narayanan
>            Assignee: Ethan Guo
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 0.11.0
>
>
> For MOR table, when using a nested field as precombined key, when querying the table after upserts, the following exception is thrown:
>  
> {code:java}
> Exception in thread "main" java.util.NoSuchElementException: key not found: meta.version
> 	at scala.collection.MapLike.default(MapLike.scala:236)
> 	at scala.collection.MapLike.default$(MapLike.scala:235)
> 	at scala.collection.AbstractMap.default(Map.scala:65)
> 	at scala.collection.MapLike.apply(MapLike.scala:144)
> 	at scala.collection.MapLike.apply$(MapLike.scala:143)
> 	at scala.collection.AbstractMap.apply(Map.scala:65)
> 	at org.apache.hudi.HoodieSparkUtils$.$anonfun$getRequiredSchema$2(HoodieSparkUtils.scala:325)
> 	at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:286)
> 	at scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:36)
> 	at scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:33)
> 	at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:198)
> 	at scala.collection.TraversableLike.map(TraversableLike.scala:286)
> 	at scala.collection.TraversableLike.map$(TraversableLike.scala:279)
> 	at scala.collection.mutable.ArrayOps$ofRef.map(ArrayOps.scala:198)
> 	at org.apache.hudi.HoodieSparkUtils$.getRequiredSchema(HoodieSparkUtils.scala:325)
> 	at org.apache.hudi.HoodieBaseRelation.buildScan(HoodieBaseRelation.scala:219)
> 	at org.apache.spark.sql.execution.datasources.DataSourceStrategy$.$anonfun$apply$4(DataSourceStrategy.scala:332)
> 	at org.apache.spark.sql.execution.datasources.DataSourceStrategy$.$anonfun$pruneFilterProject$1(DataSourceStrategy.scala:365)
> 	at org.apache.spark.sql.execution.datasources.DataSourceStrategy$.pruneFilterProjectRaw(DataSourceStrategy.scala:442)
> 	at org.apache.spark.sql.execution.datasources.DataSourceStrategy$.pruneFilterProject(DataSourceStrategy.scala:364)
> 	at org.apache.spark.sql.execution.datasources.DataSourceStrategy$.apply(DataSourceStrategy.scala:332)
> 	at org.apache.spark.sql.catalyst.planning.QueryPlanner.$anonfun$plan$1(QueryPlanner.scala:63)
> 	at scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)
> 	at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)
> 	at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:491) {code}



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