Displaying 3 results from an estimated 3 matches for "magazine_ids".
Did you mean:
magazine_id
2006 Apr 11
3
Validations and has_many :through (Join Models)
Hello again:
I''m hoping that somebody, anybody, can help with this question.
How do I make sure that records in a join model are unique?
Using the scenario outlined in Chad Fowler''s "Rails Recipies", number
16, "Many to Many Relationships Where the Relationship Iteself Has
Data".
Here are the tables:
create_table :magazines do |t|
t.column :title,
2006 Jul 27
0
CRUD, REST and associations
...the editing form (_form.rhtml when spit out by the scaffold
generator), I display a table of checkboxes and magazines where
subscriptions are shown and can''t be changed.
<!-- hidden field, to get a request param, even if no checkbox is
selected -->
<%= hidden_field_tag reader[magazine_ids][]'', '''' %>
<table>
<tr>
<td></td>
</tr>
<% for magazine in reader.magazines %>
<tr>
<td><%= check_box_tag ''reader[magazine_ids][]'', magazine.id,
@reader.subscribed_to?(mag...
2006 Jan 21
7
n-way joins
Hi,
I''m somewhat of a Rails newbie and am trying to understand how to
formulate n-way (3 or 4 way) joins in Rails (where the join tables
contain extra data as well.)
Let me give you my basic entities:
foos
id - pk
name - unique
bars
id - pk
name - unique
bazs
id - pk
name - unique
frozs
id - pk
name - unique
then i have two separate join tables:
foos_bars_bazs - 3 way join