Jianshi Huang created SPARK-8014:
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Summary: DataFrame.write.mode("error").save(...) should not scan
the output folder
Key: SPARK-8014
URL: https://issues.apache.org/jira/browse/SPARK-8014
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.4.0
Reporter: Jianshi Huang
Priority: Minor
I have code that set the wrong output location, but failed with strange errors,
it scaned my ~/.Trash folder...
It turned out save will scan the output folder first before mode("error") does
the check.
Scanning is unnecessary for mode = "error".
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