I think this is what delegate_to is intended for.
I have used it that way a couple of times with great results.
Alternatively you can also define a bunch of virtual fields that then
just references the 'other' model.
So assume one is called model_a and the other is model_b
Model_b can then have columns that are defined as:
def address
self.user.address unless self.user.nil?
end
/S
On 5/3/2010 4:37 PM, Iñaki Baz Castillo wrote:
Hi, I've two models sharing the same table and have realized about a
possible bug or strange behavior in Rails 2.3:
- In both models I define the same table name (of course):
def self.table_name() "address" end
- Then I create a helper for each model/controller, but the methods I
define on one of them are shared by both controllers!
Well, to avoid it I've created a VIEW, with same columns as the
original "address" table has.
Then I get an error when accessing to the new controller:
ActionView::TemplateError (undefined method `primary_key' for
2:Fixnum) on line #6 of
vendor/plugins/active_scaffold/frontends/default/views/_list_record.html.erb:
3: dont_show_calculations ||= false
4: tr_class = cycle("", "even-record")
5: tr_class += " #{list_row_class(record)}" if respond_to?
:list_row_class
6: url_options = params_for(:action => :list, :id => record.id)
7: -%>
8:
9:<tr class="record<%= tr_class %>" id="<%= element_row_id(:action
=> :list, :id => record.id) %>">
activerecord (2.3.4) lib/active_record/base.rb:2448:in `id'
vendor/plugins/active_scaffold/frontends/default/views/_list_record.html.erb:6
actionpack (2.3.4) lib/action_view/renderable.rb:34:in `send'
actionpack (2.3.4) lib/action_view/renderable.rb:34:in
`render_without_active_scaffold'
actionpack (2.3.4) lib/action_view/base.rb:301:in `with_template'
actionpack (2.3.4) lib/action_view/renderable.rb:30:in
`render_without_active_scaffold'
vendor/plugins/active_scaffold/lib/extensions/action_view_rendering.rb:94:in
`render'
actionpack (2.3.4) lib/action_view/renderable_partial.rb:20:in
`render'
actionpack (2.3.4) lib/action_controller/benchmarking.rb:26:in
`benchmark'
activesupport (2.3.4)
lib/active_support/core_ext/benchmark.rb:17:in `ms'
/usr/lib/ruby/1.8/benchmark.rb:308:in `realtime'
activesupport (2.3.4)
lib/active_support/core_ext/benchmark.rb:17:in `ms'
actionpack (2.3.4) lib/action_controller/benchmarking.rb:26:in
`benchmark'
actionpack (2.3.4) lib/action_view/renderable_partial.rb:19:in
`render'
actionpack (2.3.4) lib/action_view/template.rb:199:in
`render_template'
actionpack (2.3.4) lib/action_view/renderable_partial.rb:44:in
`render_partial'
actionpack (2.3.4) lib/action_view/partials.rb:221:in
`render_partial_collection'
actionpack (2.3.4) lib/action_view/partials.rb:216:in `map'
actionpack (2.3.4) lib/action_view/partials.rb:216:in
`render_partial_collection'
actionpack (2.3.4) lib/action_view/partials.rb:182:in
`render_partial'
actionpack (2.3.4) lib/action_view/base.rb:262:in
`render_without_active_scaffold'
vendor/plugins/active_scaffold/lib/extensions/action_view_rendering.rb:61:in
`render'
vendor/plugins/active_scaffold/frontends/default/views/_list.html.erb:16
actionpack (2.3.4) lib/action_view/renderable.rb:34:in `send'
actionpack (2.3.4) lib/action_view/renderable.rb:34:in
`render_without_active_scaffold'
actionpack (2.3.4) lib/action_view/base.rb:301:in `with_template'
actionpack (2.3.4) lib/action_view/renderable.rb:30:in
`render_without_active_scaffold'
vendor/plugins/active_scaffold/lib/extensions/action_view_rendering.rb:94:in
`render'
Should active_scaffold work ok when using a MySQL VIEW?
Thanks.
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