Displaying 3 results from an estimated 3 matches for "categories_item".
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categories_items
2006 May 05
4
STI and HABTM
...For instance...let''s say I have the following models
-----
Category < ActiveRecord::Base
Item < ActiveRecord::Base
Product < Item
Deal < Item
-----
Each product or deal can have categories. Would I then setup Item with
has_and_belongs_to_many :categories, then create a table categories_items
??? Is there a better way to do it?
Haven''t done this with STI yet - Thanks.
--
seth at subimage interactive
http://www.subimage.com/sublog/
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2005 Jun 13
1
Question on Eager Associations
Hi - I am trying to use eager associations to cut down on database queries.
I have a feeds table, an items table, a categories table, and a
categories_items table.
feeds have items, and items have many categories (and categories can
be assigned to many items), thus the categories_items table which is a
many-many join table.
I do
@feed = Feed.find(1)
which works fine, but now I want to use eager associations to decrease
the queries needed.
So I tr...
2006 Jan 04
2
Updating Attributes in a HABTM Join Table
Is there a way to update attributes in a HABTM join table? Right now
I am deleting the join and then recreating it with new attributes.
I have a table "categories" and another table "items". They are both
HABTM with the join table "categories_items" between them. If an item
is joined to a category once, no problem, we create the join. But if
an item is joined to a category more than once, I want to record the
subsequent hit in a field called "cat_count" which exists in the join
table.
def add_category( category_id_as...