Github user HyukjinKwon commented on the pull request:
https://github.com/apache/spark/pull/12494#issuecomment-213183696
@mathieulongtin
I think it might be more sensible that SQL in OPTIONS clause supports
`null` and some other types such as long, double and boolean. It
[looks](http://www.contrib.andrew.cmu.edu/~shadow/sql/sql1992.txt) (if I got
this correctly) there is a mention about options in `23.3 Extensions and
options` and I think it is okay to provide other types as arguments just like
[Microsoft SQL](https://msdn.microsoft.com/en-us/library/ms190322.aspx)
(although I found Spark's SQL more like MySQL).
Currently, Scala API supports to take options with the types, `Long`,
`Double` and `Boolean` and Python API also supports other types. I think in
this way we can support data sources in a consistent way.
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