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https://issues.apache.org/jira/browse/SPARK-12398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust resolved SPARK-12398.
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Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 10373
[https://github.com/apache/spark/pull/10373]
> Smart truncation of DataFrame / Dataset toString
> ------------------------------------------------
>
> Key: SPARK-12398
> URL: https://issues.apache.org/jira/browse/SPARK-12398
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Apache Spark
> Labels: starter
> Fix For: 2.0.0
>
>
> When a DataFrame or Dataset has a long schema, we should intelligently
> truncate to avoid flooding the screen with unreadable information.
> {code}
> // Standard output
> [a: int, b: int]
> // Truncate many top level fields
> [a: int, b, string ... 10 more fields]
> // Truncate long inner structs
> [a: struct<a: Int ... 10 more fields>]
> {code}
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