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https://issues.apache.org/jira/browse/SPARK-19875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17238411#comment-17238411
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Asif commented on SPARK-19875:
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[~maropu] I have generated a PR for SPARK-3152 which fixes the OOM or
unreasonable compile time in queries.
The PR is [pr-for-spark-33152|https://github.com/apache/spark/pull/30185]
I cannot get any body for code review.
The explanation of the logic used is in the PR
> 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
> Priority: Major
> Labels: bulk-closed
> Attachments: TestFilter.scala, test10cols.csv, test50cols.csv
>
>
> The attached code (TestFilter.scala) works with a 10-column csv dataset, but
> gets stuck with a 50-column csv dataset. Both datasets are attached.
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