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interval join 如何用 process time
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guomuhua
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interval join 如何用 process time
在 flink sql 中,可以使用 proc time 来进行 interval join,但是在 stream api 中,只能用 event
time 进行 interval join,如何能使用 process time 呢?
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HunterXHunter
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Re: interval join 如何用 process time
你不定义watermark好像用的就是pro time
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JasonLee
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Re: interval join 如何用 process time
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by guomuhua
hi
proctime as PROCTIME() 可以这样设置
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guomuhua
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Re: interval join 如何用 process time
你说的这个语法是flink sql 吧,我想问的是stream api 里面怎么用
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Re: interval join 如何用 process time
你好,DataStream API 中的 Interval Join 目前还不支持 process time,参考 [1].
不过如果不要去严格准确的 process time 的话,是否可以在 Join 之前把 process time 用某个字段带出来,当 event
time 用?
[1].
https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/stream/operators/joining.html#interval-join
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