Hi Lec, It's supported in SQL queries.
Best, Jark On Sun, 26 Apr 2020 at 09:10, lec ssmi <shicheng31...@gmail.com> wrote: > I mean re-assigning watermark and timestamp in sql queries. > > Jark Wu <imj...@gmail.com> 于2020年4月25日周六 下午9:10写道: > >> Hi Lec, >> >> You can only define `assignTimestampAndWatermark` on DataStream, so you >> have to convert `Table` into DataStream first. >> If the DataStream already has been assigned watermark, then the new >> `assignTimestampAndWatermark` will override the previous watermark. >> >> Best, >> Jark >> >> On Thu, 23 Apr 2020 at 22:03, lec ssmi <shicheng31...@gmail.com> wrote: >> >>> can assignTimestampAndWatermark again on a watermarked table? >>> >>> Jark Wu <imj...@gmail.com> 于 2020年4月23日周四 20:18写道: >>> >>>> Hi Matyas, >>>> >>>> You can create a new table based on the existing table using LIKE >>>> syntax [1] in the upcoming 1.11 version, e.g. >>>> >>>> CREATE TABLE derived_table ( >>>> WATERMARK FOR tstmp AS tsmp - INTERVAL '5' SECOND >>>> ) LIKE base_table; >>>> >>>> For now, maybe you have to manually create a new table using full DDL. >>>> >>>> Best, >>>> Jark >>>> >>>> [1]: >>>> https://cwiki.apache.org/confluence/display/FLINK/FLIP-110%3A+Support+LIKE+clause+in+CREATE+TABLE >>>> <https://cwiki.apache.org/confluence/display/FLINK/FLIP-110:+Support+LIKE+clause+in+CREATE+TABLE> >>>> >>>> 2020年4月23日 17:35,Őrhidi Mátyás <matyas.orh...@gmail.com> 写道: >>>> >>>> Dear Community, >>>> >>>> is it possible to define WATERMARKS in SQL queries/views? We have a >>>> read only catalog implementation and we would like to assign WMs to the >>>> tables somehow. >>>> >>>> Thanks, >>>> Matyas >>>> >>>> >>>>