Hello, What do you mean by multiple streaming aggregations? Something like this is already supported.
*df.groupBy("key").agg(min("colA"), max("colB"), avg("colC"))* But the following is not supported. *df.groupBy("key").agg(min("colA").as("min")).groupBy("min").count()* In other words, multiple aggregations ONE AFTER ANOTHER is NOT supported yet, and we currently don't have any plans to support it by 2.3. If this is what you want, then can you explain the use case of why you want multiple aggregation On Tue, Nov 28, 2017 at 9:46 PM, Georg Heiler <georg.kf.hei...@gmail.com> wrote: > 2.3 around January > 0.0 <407216...@qq.com> schrieb am Mi. 29. Nov. 2017 um 05:08: > >> Hi, all: >> Multiple streaming aggregations are not yet supported. When will it >> be supported? Is it in the plan? >> >> Thanks. >> >