JingsongLi commented on issue #8102: [FLINK-12087][table-runtime-blink] Introduce over window operators to blink batch URL: https://github.com/apache/flink/pull/8102#issuecomment-480731189 I try implement it like "immediately determine the left and right boundary", but even if we immediately determine the boundary, we need take the record one by one for calculation, so the final implementation is basically the same as the current one. You can give me more details about a better understanding implement.
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