Does it support over? I couldn't find it in the documentation http://spark.apache.org/docs/latest/sql-programming-guide.html#supported-hive-features
Thanks Best Regards On Fri, Jan 22, 2016 at 2:31 PM, 汪洋 <tiandiwo...@icloud.com> wrote: > I think it cannot be right. > > 在 2016年1月22日，下午4:53，汪洋 <tiandiwo...@icloud.com> 写道： > > Hi, > > Do we support distinct count in the over clause in spark sql? > > I ran a sql like this: > > select a, count(distinct b) over ( order by a rows between unbounded > preceding and current row) from table limit 10 > > Currently, it return an error says: expression ‘a' is neither present in > the group by, nor is it an aggregate function. Add to group by or wrap in > first() if you don't care which value you get.; > > Yang > > >
