How would I display the total number of Bids that were placed by a user?
至今为止,我有<代码><%=项目.bids. where (:user_id => 3 )sum:id %>代码>,其中计算了id栏的总和,因此,我发现错数。 我无需找到一栏的总和,而是需要找到整个记录的总和。
感谢。
How would I display the total number of Bids that were placed by a user?
至今为止,我有<代码><%=项目.bids. where (:user_id => 3 )sum:id %>代码>,其中计算了id栏的总和,因此,我发现错数。 我无需找到一栏的总和,而是需要找到整个记录的总和。
感谢。
您是否希望在<代码>项目.bids.处(用户_id => 3)上计算记录数目?
I guess project.bids.where(:user_id => 3 ).count
?
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