Reynold Xin created SPARK-12398:
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Summary: 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
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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