Github user felixcheung commented on the issue:
https://github.com/apache/spark/pull/15608
Thanks @HyukjinKwon This is definitely good checks to have. Calls to read.*
and write.* are not easily checked for parameters (file paths are hard) so to
me it is better to leave the checking to JVM and just handle the exception
better.
I wouldn't close this JIRA though but it is covering a broader case - those
we could check parameters before passing to JVM? Would you like to keep this
JIRA open after this PR, or open a separate JIRA for this specific class of
handling?
One case I'm not sure about, is what Reader/Writer does with unnamed
parameter - should we optionally fail here on the R side, instead of just
ignoring them (in R or JVM)?
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