Ruby China

新手问题 多张表关联查询怎样提高查询速度

zhq_zhq · April 11, 2014 · Last by karmue replied at April 11, 2014 · 1940 hits

多表查询如何提高速度

karmue #1 April 11, 2014

具体是什么情况？遍历的话可以用 eager loading

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