Displaying 1 result from an estimated 1 matches for "reply_id".
Did you mean:
reply_idx
2006 Feb 18
14
Composite primary key support in ActiveRecord?
...using
multiple integer column id''s (composite primary key) are often
natural way to implement one-to-many relationships, for things like
"forum replies". For example, ID for the third comment of forum
topic #87 should be (87, 3) not (87, 1074), format being (topic_id,
reply_id).
Currently, I''m trying to work around this by using ''TopicReply.find
(:fist, conditions => ["topic_id=? AND id=?", 87, 3]'' instead of
''TopicReply.find(1074)''. However, I haven''t figured out yet how to
save such objects..
An...