spark streaming
Structured Streaming - Join
wefree
2022. 3. 30. 19:56
설명
Streaming Join 에는 다음과 같은 제약이 있다.
- stream joining with static
- RIGHT outer join/full outer join/right_semi NOT permitted
- join stream with stream
- left/right outer joins ARE supported, but MUST have watermarks
- full outer joins are NOT supported