So you need a join table that contains: LEGACY_SYSTEM_ID2 | CONTACT_ID : as fields in which the two fields do NOT use the same ID?
On Nov 12, 6:10 pm, Auch <[EMAIL PROTECTED]> wrote: > Hi > > I have limited success with rails and am trying very hard to > understand the MVC, DRY and RESTful concepts that Rails supports. > > What I am trying to do is to automate some data manipulation > procedures for legacy systems. I have three tables that I need to > import into the Rails application. > > Table 1 > Legacy_System_ID1, Agency_Business_Number, Agency_Name > belongs to Table 3 > belongs to Table 1 > > Table 2 > Legacy_System_ID2, Legacy_System_ID1, Legacy_System_Contact_ID, > Agency_Business_Number, Agency_name > has many Table 1 > > Table 3 > Agency_Business_Number, Agency_Name. > has many Table 1 > > These files are all in csv format. What I am having trouble with is > the concept of primary key ids. Rails does not like primary keys that > are not incremental. I know I can set the primary key to > Legacy_System_ID1 in Table 1 and set the foreign key to the same ID in > Table 2. > > The pinch is that I need to seperate the contact_ID from the > Legacy_System_ID2 of Table 2 into two tables and also add new entries > into Table 3, which is essentially a subset of Table 1 to keep track > of which Agencies with unique Agency_Business_Numbers are registered. > > Whats the best way to go about this in Rails? I am experimenting with > Instant Rails 2.02 --~--~---------~--~----~------------~-------~--~----~ 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 rubyonrails-talk@googlegroups.com 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 -~----------~----~----~----~------~----~------~--~---
