I am not a deep Scala progammer either, but I think the symbols are a
pretty wide-spread concept.
For example, the Scalding tuple API makes heavy use of them as well.
That said, I do like the idea that the Scala Table API supports the string
variant as well, for homogeneity.
On Sun, Apr 12, 2015 at 1:12 PM, Ufuk Celebi <u...@apache.org> wrote:
> Hey all,
>
> I am not very proficient with Scala and have some questions regarding the
> Scala Table API:
>
> The logical queries in the Java API are all String-based, e.g.
>
> table.groupBy("word")
>
> In the Scala API, this works as well, but what's further possible is this:
>
> expr.groupBy('word)
>
> For comparisions you use something like `a === `b. Note that the ' is a
> Scala symbol.
>
> - How common is this kind of notation for Scala users?
> - Are both types of expressions equivalent or can you do more with the
> special Scala syntax Table API?
>
> I am asking, because I was wondering whether we should stick to the
> String-based notation in the docs and have the special syntax as an
> optional thing. There is no reason for this, if this is common in the Scala
> world though. :-)
>
> – Ufuk
>
