Based on the doc, for tumbling window you use, I believe it is one second an emit.
[1] https://calcite.apache.org/docs/stream.html Best, Danny Chan 在 2019年6月13日 +0800 AM2:14，Ritesh Kapoor <[email protected]>，写道： > Hi > > I’m trying to use calcite streaming functionality. Need some help in > understanding the behaviour of following query over infinite stream. > > select STREAM ceil(ROWTIME TO SECOND) as r, C2,count(*) as c FROM S.TB GROUP > BY ceil(ROWTIME TO SECOND),C2 > > Will the above query emit row after every second? > Actually I was not able get working example of streaming table which emits > rows as mentioned in query. The query gets stuck when executed. > > Thanks and Regards > Ritesh Kapoor
