On 16 August 2011 09:49, merbivore <[email protected]> wrote: > Hi Everyone, > > I am trying to solve this problem, but couldn't able to get the > solution. I hope i will get some help here. > > I am using these three find methods to get different types of > devices. I dont have any relationships between any models. > > > windows_devices = BaseManagedEntity.find(:all, > :select => "b.BaseManagedEntityInternalId, c.NetworkName, > c.IPAddress, s.HealthState, s.LastModified", > :joins => "as b INNER JOIN mt_computer as c ON > c.basemanagedentityid = b.basemanagedentityid > INNER JOIN state as s ON b.basemanagedentityid = > s.basemanagedentityid", > :conditions => "IsManaged = 1 and s.LastModified = (select > MAX(LastModified) from state where basemanagedentityid = > s.basemanagedentityid)", > :order => "s.LastModified DESC", > :group => "b.BaseManagedEntityInternalId, s.HealthState, > s.LastModified, c.NetworkName, c.IPAddress" ) > > unix_devices = BaseManagedEntity.find(:all, > :select => "b.BaseManagedEntityInternalId, > c.NetworkName_360E5A02_BC9E_0000_2614_1972E304088A, > c.IPAddress_360E5A02_BC9E_0000_2614_1972E304088A, s.HealthState, > s.LastModified", > :joins => "as b INNER JOIN MTV_Computer_0 as c ON > c.basemanagedentityid = b.basemanagedentityid > INNER JOIN state as s ON b.basemanagedentityid = > s.basemanagedentityid", > :conditions => "IsManaged = 1 and s.LastModified = (select > MAX(LastModified) from state where basemanagedentityid = > s.basemanagedentityid)", > :order => "s.LastModified DESC", > :group => "b.BaseManagedEntityInternalId, s.HealthState, > s.LastModified, c.NetworkName_360E5A02_BC9E_0000_2614_1972E304088A, > c.IPAddress_360E5A02_BC9E_0000_2614_1972E304088A" ) > > network_devices = BaseManagedEntity.find(:all, > :select => "b.BaseManagedEntityInternalId, > c.Name_65AC01F1_F20E_CE0D_42CA_B24D1DE49E5F, > c.IPAddress_65AC01F1_F20E_CE0D_42CA_B24D1DE49E5F, s.HealthState, > s.LastModified", > :joins => "as b INNER JOIN mt_networkdevice as c ON > c.basemanagedentityid = b.basemanagedentityid > INNER JOIN state as s ON b.basemanagedentityid = > s.basemanagedentityid", > :conditions => "IsManaged = 1 and s.LastModified = (select > MAX(LastModified) from state where basemanagedentityid = > s.basemanagedentityid)", > :order => "s.LastModified DESC", > :group => "b.BaseManagedEntityInternalId, s.HealthState, > s.LastModified, c.Name_65AC01F1_F20E_CE0D_42CA_B24D1DE49E5F, > c.IPAddress_65AC01F1_F20E_CE0D_42CA_B24D1DE49E5F" ) > > After finding these am concatenating all these three like this > > devices = windows_devices.concat(unix_devices) > @devices = devices.concat(network_devices) > > > I need to loop @devices in the view and i need to display the IP > Address for the all the devices. > > When i do <%= device.IPAddress %> am getting error because the other > device uses the attribute > IPAddress_65AC01F1_F20E_CE0D_42CA_B24D1DE49E5F . > > I was struck with this issue. Please help me in this issue asap.
Catch the error and take appropriate action? Even better sort out the database design. Colin -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.

