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https://issues.apache.org/jira/browse/SPARK-26865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16766779#comment-16766779
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Dongjoon Hyun commented on SPARK-26865:
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Thank you for pinging me. I'll take a look.
> ORC filter pushdown should be case insensitive by default
> ---------------------------------------------------------
>
> Key: SPARK-26865
> URL: https://issues.apache.org/jira/browse/SPARK-26865
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Wenchen Fan
> Priority: Major
>
> steps to reproduce:
> {code}
> spark.range(10).write.orc("/tmp/o1")
> spark.read.schema("ID long").orc("/tmp/o1").filter("id > 5").show
> java.util.NoSuchElementException: key not found: id
> at scala.collection.immutable.Map$Map1.apply(Map.scala:114)
> at
> org.apache.spark.sql.execution.datasources.orc.OrcFilters$.createBuilder(OrcFilters.scala:263)
> at
> org.apache.spark.sql.execution.datasources.orc.OrcFilters$.buildSearchArgument(OrcFilters.scala:153)
> at
> org.apache.spark.sql.execution.datasources.orc.OrcFilters$.$anonfun$convertibleFilters$1(OrcFilters.scala:99)
> at
> scala.collection.TraversableLike.$anonfun$flatMap$1(TraversableLike.scala:244)
> at
> scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:36)
> at
> scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:33)
> at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:39)
> at scala.collection.TraversableLike.flatMap(TraversableLike.scala:244)
> at scala.collection.TraversableLike.flatMap$(TraversableLike.scala:241)
> at scala.collection.AbstractTraversable.flatMap(Traversable.scala:108)
> at
> org.apache.spark.sql.execution.datasources.orc.OrcFilters$.convertibleFilters(OrcFilters.scala:98)
> at
> org.apache.spark.sql.execution.datasources.orc.OrcFilters$.createFilter(OrcFilters.scala:87)
> at
> org.apache.spark.sql.execution.datasources.v2.orc.OrcScanBuilder.pushFilters(OrcScanBuilder.scala:50)
> {code}
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