[jira] [Resolved] (SPARK-21853) Getting an exception while calling the except method on the dataframe

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

     [ https://issues.apache.org/jira/browse/SPARK-21853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-21853.
-------------------------------
    Resolution: Invalid

Questions about help with your code belong on SO or the mailing list. This doesn't seem to be a Spark issue, but a problem with your query.

> Getting an exception while calling the except method on the dataframe
> ---------------------------------------------------------------------
>
>                 Key: SPARK-21853
>                 URL: https://issues.apache.org/jira/browse/SPARK-21853
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Shell
>    Affects Versions: 2.1.1
>            Reporter: Shailesh Kini
>         Attachments: SparkException.txt
>
>
> I am getting an exception while calling except on the Dataset.
> org.apache.spark.sql.AnalysisException: resolved attribute(s) SVC_BILLING_PERIOD#37723 missing from
> I read 2 csv files into datasets DS1 and DS2, which I join (full outer) to create DS3. DS3 has some rows which are similar with the exception of one column. I need to isolate those rows and remove the similar rows. I use groupBy with the count > 1 on a few columns in DS3 to get those similar rows - dataset DS4. DS4 has only a few columns and not all so I join it back with DS3 on the aggregate columns to get a new dataset DS5 which has the same columns as DS3. To get a clean dataset without any of those similar rows, I am calling DS3.except(DS5) which throws the exception. The attribute is one of the filtering criteria I use which creating DS1.
> Attaching the exception to this ticket.



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