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我最近问了how to solve a simple SQL query。原来有many solutions。Django:在Django中执行SQL匹配全部
一些基准测试后,我认为这是最好的一个:
SELECT DISTINCT Camera.*
FROM Camera c
INNER JOIN cameras_features fc1 ON c.id = fc1.camera_id AND fc1.feature_id = 1
INNER JOIN cameras_features fc2 ON c.id = fc2.camera_id AND fc2.feature_id = 2
现在,我已经不知道如何执行此查询使用Django ORM。