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> On Mar 31, 2019, at 10:07 AM, Rubén Berenguel <rbereng...@gmail.com> wrote: > > I favour using either $”foo” or columnar expressions, but know of several > developers who prefer single quote syntax and consider it a better practice. > > R > > On 31 March 2019 at 15:15:00, Sean Owen (sro...@apache.org > <mailto:sro...@apache.org>) wrote: > >> FWIW I use "foo" in Pyspark or col("foo") where necessary, and $"foo" in >> Scala >> >> On Sun, Mar 31, 2019 at 1:58 AM Reynold Xin <r...@databricks.com >> <mailto:r...@databricks.com>> wrote: >> As part of evolving the Scala language, the Scala team is considering >> removing single-quote syntax for representing symbols. Single-quote syntax >> is one of the ways to represent a column in Spark's DataFrame API. While I >> personally don't use them (I prefer just using strings for column names, or >> using expr function), I see them used quite a lot by other people's code, >> e.g. >> >> df.select <http://df.select/>('id, 'name).show() >> >> I want to bring this to more people's attention, in case they are depending >> on this. The discussion thread is: >> https://contributors.scala-lang.org/t/proposal-to-deprecate-and-remove-symbol-literals/2953 >> >> <https://contributors.scala-lang.org/t/proposal-to-deprecate-and-remove-symbol-literals/2953> >> >> >>
