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https://issues.apache.org/jira/browse/SPARK-19875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jay Pranavamurthi updated SPARK-19875:
--------------------------------------
    Attachment: TestFilter.scala
                test50cols.csv
                test10cols.csv

> Map->filter on many columns gets stuck in constraint inference optimization 
> code
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-19875
>                 URL: https://issues.apache.org/jira/browse/SPARK-19875
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.1.0
>            Reporter: Jay Pranavamurthi
>         Attachments: test10cols.csv, test50cols.csv, TestFilter.scala
>
>
> The attached code works with a 10-column csv dataset, but gets stuck with a 
> 50-column csv dataset. Both datasets are attached.



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