Jark, thanks for the reply. Do you know whether it's on the roadmap or what's the plan?
On Mon, Jun 22, 2020 at 9:36 PM Jark Wu <imj...@gmail.com> wrote: > Hi Fanbin, > > Currently, over window aggregation doesn't support two-phase optimization. > > Best, > Jark > > On Tue, 23 Jun 2020 at 12:14, Fanbin Bu <fanbin...@coinbase.com> wrote: > >> Hi, >> >> Does over window aggregation support two-phase mode? >> >> https://ci.apache.org/projects/flink/flink-docs-stable/dev/table/config.html#table-optimizer-agg-phase-strategy >> >> SELECT >> user_id >> , event_time >> , listagg(event_type, '*') over w as names >> FROM table >> WINDOW w AS >> ( PARTITION BY user_id >> ORDER BY event_time >> ROWS BETWEEN 256 PRECEDING AND CURRENT ROW >> ) >> >>
