Hi all,

I'm using Windows Xp, Mysql 5, Webrick, Rails 1.0 I've 3 tables which
have HABTM relationship. My tables names are all set to uncountble. Name
of tabels are anabilimdali (includes department info id name etc.),
ogretimuye (personel information like id , name , dept. ) yayin
(document information), and for relationships yayin_anabilimdali ,
yayin_ogretimuye .

The relationship between yayin_anabilimdali is ok. But i can't write any
parameters to yayin_ogretimuye table when I try to create new yayin
object. The object was successfully creted in yayin table and the
relationship was successfully created in yayin_anabilimdali table. Here
is the codes;


model


yayin.rb

class Yayin < ActiveRecord::Base
has_and_belongs_to_many gretimuye
has_and_belongs_to_many :anabilimdali
end




controller


yayin_controller.rb

class YayinController < ApplicationController
model :yayin

....
....

def new
@anabilimdali = Anabilimdali.find all , rder => "ad")
@ogretimuye = Ogretimuye.find all , rder => "ad")
end

def create
@anabilimdali = Anabilimdali.find_all
@ogretimuye = Ogretimuye.find_all
item = Yayin.new
item.attributes = @params["yayin"]



if item.save
for anabilimdali in @anabilimdali
if (@params[anabilimdali.ad])

item.anabilimdali<<(anabilimdali)
end
end



for ogretimuye in @ogretimuye

if (@params[ogretimuye[ogretimuye.id] == ogretimuye.id )

item.ogretimuye<<(ogretimuye)

end
end
redirect_toaction => "list")
else
render_text "Couldn't add new item"
end
end
...
...



View


new.rhtml



<h1>New yayin</h1>

<%= start_form_tag :action => 'create' %>
<%= render artial => 'form' %>



<p><label for="yayin_anabilimdali">Anabilimdallları</label><br />
<% for @anabilimdali in @anabilimdali %>
<%= @anabilimdali.ad %> : <input type="checkbox" name="<%=
@anabilimdali.ad %>" value="0"/><br />
<% end %>
</p>

<p><label for="yayin_ogretimuye">Yazarlar</label><br />

<%for ogretimuye in @ogretimuye%>

<select name=ogretimuye[ogretimuye.id][] multiple>
<option value="<%=ogretimuye.id%>"> <%=ogretimuye.ad%>
<%=ogretimuye.soyad%> </option>
<%end%>
</p>
</select>

<%= submit_tag "Create" %>
<%= end_form_tag %>

<%= link_to 'Back', :action => 'list' %>


And the development.log


Processing YayinController#create (for 127.0.0.1 at 2005-12-17 12:52:05)
[POST]
Parameters: {"commit"=>"Create",
"ogretimuye"=>{"ogretimuye.id"=>["161"]}, "yayin"=>{"ad"=>"888888888"},
"action"=>"create", "controller"=>"yayin", "AAT\375p"=>"0"}
Anabilimdali Load (0.000000) SELECT * FROM
anabilimdali 
Ogretimuye Load (0.079000) SELECT * FROM ogretimuye

Yayin Columns (0.015000) SHOW FIELDS FROM
yayin
SQL (0.000000) BEGIN
SQL (0.000000) INSERT INTO yayin (`kabul_yil`,
`yayin_yil`, `ad`, `cilt`, `index_tur`, `ozet`, `issn`, `sayfalar`,
`yayinlayici`, `tur`, `yer`, `yer_tur`, `dil`, `index`, `sayi`,
`anahtar`, `yerli_yabanci`) VALUES(0, NULL, '888888888', NULL, NULL, '',
NULL, NULL, '', '0', NULL, '0', '', NULL, NULL, '', '')
SQL (0.047000) COMMIT
Anabilimdali Columns (0.000000) SHOW FIELDS FROM
anabilimdali
Anabilimdali Load (0.000000) SELECT * FROM
anabilimdali LEFT JOIN anabilimdali_yayin ON anabilimdali.id =
anabilimdali_yayin.anabilimdali_id WHERE (anabilimdali_yayin.yayin_id =
20 ) 
SQL (0.000000) BEGIN
anabilimdali_yayin Columns (0.015000) SHOW FIELDS
FROM anabilimdali_yayin
SQL (0.000000) INSERT INTO anabilimdali_yayin
(`anabilimdali_id`, `yayin_id`) VALUES (41, 20)
SQL (0.047000) COMMIT
Ogretimuye Columns (0.016000) SHOW FIELDS FROM
ogretimuye