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第三层数据需要left join 另外一张表sku，拿到若干字段放到line，这个join和select该怎么写，折腾了几天了，没找到解决办法 db.Preload("Pos.Lines").Joins("LEFT JOIN sku ON sku.id = line.sku_id").Select("select name from sku as sku_name").Find(&biz_data)
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Comment From: saeidee
Please add proper description and example.