【解决】Rails Error :Column 'id' in order clause is ambiguous
错误Column 'id' in order clause is ambiguous 易出现在
p = Product.find(:all,:include=>:kind,:order=>"id desc") 类似的语句上,用include包含了一个left join对象,所以id可能存在于多个表内,就引起了二义性
修改为
p = ...
p = Product.find(:all,:include=>:kind,:order=>"id desc")修改为
p = ...
