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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/06/28 07:52:00 UTC
[jira] [Commented] (SPARK-24676) Project required data from parsed
data when csvColumnPruning disabled
[ https://issues.apache.org/jira/browse/SPARK-24676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16526057#comment-16526057 ]
Apache Spark commented on SPARK-24676:
--------------------------------------
User 'maropu' has created a pull request for this issue:
https://github.com/apache/spark/pull/21657
> 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
> 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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