Self.id access inside model

Rails
1

Happy Holidays!

I have a Member.rb model with the following line:

has_many :friends, :class_name => “Member”, :finder_sql => "
SELECT members.*
FROM members, friendships
WHERE (members.id = friendships.member_id AND friendships.friend_id =
#{self.id})
OR (members.id = friendships.friend_id AND friendships.member_id =
#{self.id})"

When calling @member.friends, the above code translates #{self.id} to
something crazy like 53931600 instead of the @member.id which is 2.

Any ideas why?

Thanks,
Chad

2

Chad wrote:

When calling @member.friends, the above code translates #{self.id} to
something crazy like 53931600 instead of the @member.id which is 2.

Any ideas why?

Yeah, the string is evaluated when first encountered, ie when your
Member class is loaded. At that point, I imagine self is the class,
which is why you get a weird self.id.

To prevent this use single quotes (') around your string instead of
double quotes (").

–
Jakob S. - http://mentalized.net