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2018年06月30日数据查询的 N+1 问题 #39

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imzyf opened this issue Jun 30, 2018 · 0 comments

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imzyf commented Jun 30, 2018

N+1 查询问题就是查询扩展字段时的循环查询问题。

为了解决 N+1 问题我使用了模型预加载方式，但是由于后台框架限制（也可能是使用不当），将一对多的被关联的模型数据都查出来了，数据量很大，导致页面卡顿，一次反向优化。

优化要权衡不能硬搬书本。

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