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Posted to issues@spark.apache.org by "Aaron Davidson (JIRA)" <ji...@apache.org> on 2015/07/28 07:49:04 UTC

[jira] [Created] (SPARK-9397) DataFrame should provide an API to find source data files if applicable

Aaron Davidson created SPARK-9397:
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             Summary: DataFrame should provide an API to find source data files if applicable
                 Key: SPARK-9397
                 URL: https://issues.apache.org/jira/browse/SPARK-9397
             Project: Spark
          Issue Type: Improvement
          Components: SQL
            Reporter: Aaron Davidson
            Assignee: Aaron Davidson


Certain applications would benefit from being able to inspect DataFrames that are straightforwardly produced by data sources that stem from files, and find out their source data. For example, one might want to display to a user the size of the data underlying a table, or to copy or mutate it.

Currently, there is not a good way to get this information in a public API.



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