YesOrNo828 edited a comment on pull request #15439:
URL: https://github.com/apache/flink/pull/15439#issuecomment-1086596182
@wuchong hello jark, I get a expception by below SQL, and find out : the
local and global window aggregate operator support insert-only in input right
now. Why ? There is any limition in this case? btw the table source
`UserScores_event` support ModifyKindSetTrait.ALL_CHANGES
`SELECT count(0), sum(score),window_start,window_end, window_time FROM TABLE(
CUMULATE(TABLE UserScores_event, DESCRIPTOR(tt), INTERVAL '10' SECONDS,
INTERVAL '60' SECONDS))
group by window_start,window_end, window_time`
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