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【已解决】Doris的select count过程是怎样的?

Asked Jun 16, 2024 Modified Jun 27, 2024
Viewed 102
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Doris的select count过程是怎样的?是直接查询的元数据吗?还是查询segment进行汇总?如何分析

edited Jun 27, 2024
JiangXiaoqiang3
asked Jun 16, 2024
1 Answers

当前dupkey是有做优化、例如直接查元数据返回,而agg和unikey模型的需要去扫文件返回。

edited Jan 1, 1970
张彬华7698
answered Jun 19, 2024
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