Question

我可以在RoR 4中发表如下声明：

@vendors = Vendor.includes(:business).where(:business_id=>@business.id,:city_id=>city,:activated=>"1",["business.business_name LIKE ?","%#{params[:search]}%"]).page(params[:page]).per_page(10)

如果没有，那我该怎么办？

Answer 1

不，你不能这样做，但你可以链接.where()个电话，即。

.where(business_id: @business.id).where("businesses.business_name LIKE ?", "%#{params[:search]}%")

请注意，您需要包含.references(:business)才能确保执行LEFT JOIN：

Vendor.includes(:business).references(:business).where(business_id:@business.id, etc..).where('businesses.business_name LIKE ?", "%#{params[:search]}%")

条款平等和条件相同的条款4

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