[GitHub] [spark] iRakson opened a new pull request #26863: [SPARK-30234]ADD FILE cannot add directories from sql CLI

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iRakson opened a new pull request #26863: [SPARK-30234]ADD FILE cannot add directories from sql CLI
URL: https://github.com/apache/spark/pull/26863
 
 
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   ### What changes were proposed in this pull request?
   Now users can add directories from sql CLI as well using ADD FILE command and setting spark.sql.addDirectory.recursive to true.
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   ### Why are the changes needed?
   In SPARK-4687, support was added for adding directories as resources. But sql users cannot use that feature from CLI. 
   
   `ADD FILE /path/to/folder` gives the following error:
   `org.apache.spark.SparkException: Added file /path/to/folder is a directory and recursive is not turned on.`
   
   Users need to turn on `recursive` for adding directories. Thus a configuration was required which will allow users to turn on `recursive`. 
   Also Hive allow users to add directories from their shell.
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   ### Does this PR introduce any user-facing change?
   Yes. Users can set recursive using `spark.sql.addDirectory.recursive`.
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   ### How was this patch tested?
   Manually.
   Will add test cases soon.
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