Hello, Maciej > I agree the watermark should pass on versioned table side, because > this is the only way to know which version of record should be used. > But if we mimics behaviour of interval join then main stream watermark > could be skipped.
IIRC, rowtime interval join requires the watermark on both sides, and the watermark will be used to clean up the outdated data and advance the data progress both in rowtime interval join and rowtime temporal join. Best, Leonard
