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Presto的分段源码解析 | LoveZhy #63

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https://blog.lovezhy.cc/2018/07/10/Presto%E7%9A%84%E5%88%86%E6%AE%B5%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/

2020-11-21日更: x信金科,如果大数据部招人,如果你是业务出生/学历不好/公司背景不强(BAT),就不要浪费他们的时间了 先行流程在进行分段之前,已经建立好计划数PlanNode,并且已经进行了所有的planOptimizers进行优化。最后在SqlQueryExecution#doAnalyzeQuery()的PlanFragmenter中进行分段。

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