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https://issues.apache.org/jira/browse/SPARK-24676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-24676:
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Assignee: Apache Spark
> Project required data from parsed data when csvColumnPruning disabled
> ---------------------------------------------------------------------
>
> Key: SPARK-24676
> URL: https://issues.apache.org/jira/browse/SPARK-24676
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.1
> Reporter: Takeshi Yamamuro
> Assignee: Apache Spark
> Priority: Minor
>
> I hit a bug below when parsing csv data;
> {code}
> ./bin/spark-shell --conf spark.sql.csv.parser.columnPruning.enabled=false
> scala> val dir = "/tmp/spark-csv/csv"
> scala> spark.range(10).selectExpr("id % 2 AS p",
> "id").write.mode("overwrite").partitionBy("p").csv(dir)
> scala> spark.read.csv(dir).selectExpr("sum(p)").collect()
> 18/06/25 13:48:46 ERROR Executor: Exception in task 2.0 in stage 2.0 (TID 7)
> java.lang.ClassCastException: org.apache.spark.unsafe.types.UTF8String cannot
> be cast to java.lang.Integer
> at scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java:101)
> at
> org.apache.spark.sql.catalyst.expressions.BaseGenericInternalRow$class.getInt(rows.scala:41)
> ...
> {code}
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