[jira] [Reopened] (SPARK-5737) Scanning duplicate columns from parquet table

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-5737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen reopened SPARK-5737:
------------------------------

[~kallsu] since we can't point to a change that resolved this at this point, it should be Cannot Reproduce

> Scanning duplicate columns from parquet table
> ---------------------------------------------
>
>                 Key: SPARK-5737
>                 URL: https://issues.apache.org/jira/browse/SPARK-5737
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.2.1
>            Reporter: Kevin Jung
>
> {quote}
> import org.apache.spark.sql._
> val sqlContext = new SQLContext(sc)
> import sqlContext._
> val rdd = sqlContext.parquetFile("temp.parquet")
> rdd.select('d1,'d1,'d2,'d2).take(3).foreach(println)
> {quote}
> The results of above code have null values at the preceding columns of duplicate two.
> For example,
> {quote}
> [null,-5.7,null,121.05]
> [null,-61.17,null,108.91]
> [null,50.60,null,72.15]
> {quote}
> This happens only in ParquetTableScan. PysicalRDD works fine and the rows have duplicate values like...
> {quote}
> [-5.7,-5.7,121.05,121.05]
> [-61.17,-61.17,108.91,108.91]
> [50.60,50.60,72.15,72.15]
> {quote}



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