2013-03-26 241 views
0

我得到一个奇怪的错误:的Rails 3 ActiveRecord的迁移 - 的ActiveRecord :: StatementInvalid

ActiveRecord::StatementInvalid in AdminController#edit_user 
NoMethodError: undefined method `empty?' for 663:Fixnum: SELECT privileges.*, ... 

In: app/controllers/admin_controller.rb:75:in `edit_user' 

这里是有问题的行:

#line #75 from admin_controller.rb 
@privileges = Privilege.find_by_sql("SELECT privileges.*, vendors.name AS vendor_name FROM privileges LEFT JOIN vendors ON vendors.id = rivileges.vendor_id WHERE user_id = ? ORDER BY vendors.name", @user.id) 

我可以通过取出修复占位符,但我不想这样做:

@privileges = Privilege.find_by_sql("SELECT privileges.*, vendors.name AS vendor_name FROM privileges LEFT JOIN vendors ON vendors.id = privileges.vendor_id WHERE b2b_user_id = "[email protected]_s+" ORDER BY vendors.name") 

fin在Rails 3中,d_by_sql尚未被弃用,我可以将该查询抽入数据库。

我觉得奇怪的是,没有电话“空”吗?在我的admin_controller。这是一个内部调用通过Rails清空?

请指教。

谢谢

+0

在第一个查询,你提到它作为rivileges.vendor_id WHERE。这是一个错字吗? – felix 2013-03-26 13:26:09

回答

0

该语法在Rails 3.1中已被弃用。

你应该叫

@privileges = Privilege.find_by_sql ["SELECT privileges.*, vendors.name AS vendor_name FROM privileges LEFT JOIN vendors ON vendors.id = rivileges.vendor_id WHERE user_id = ? ORDER BY vendors.name", @user.id] 
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