Article View: pl.comp.lang.ruby
Article #1196Re: ActiveRecord + drzewo
From: Maciej Biłas
Date: Wed, 18 Feb 2009 09:33
Date: Wed, 18 Feb 2009 09:33
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2099 bytes
On Feb 17, 7:11 pm, Zbyszek Malec <zbysze...@tlen.pl> wrote: > Dnia Tue, 17 Feb 2009 04:45:11 -0800 (PST), Wojciech Piekutowski > napisał(a): > > > Jednak twoja definicja klasy Category jest nie do końca ok. Musisz > > powiedziec jakiej kolumny ma użyć has_many, ponieważ domyślnie jest to > > 'category_id'. > > class Category < ActiveRecord::Base > > belongs_to :parent_category, :class_name => 'Category' > > has_many :subcategories, :class_name => 'Category', :foreign_key > > => 'parent_category_id' > > end > > Rzeczywiście, przyczyną był błąd w definicji kategorii. Dzięki za pomoc. A w ogóle czy nie lepiej skorzystać tutaj z acts_as_nested_set? m.
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.rmf.pl!agh.edu.pl!news.agh.edu.pl!news.onet.pl!news.nask.pl!news.nask.org.pl!newsfeed00.sul.t-online.de!t-online.de!border2.nntp.dca.giganews.com!nntp.giganews.com!postnews.google.com!j35g2000yqh.googlegroups.com!not-for-mail From: Maciej Biłas <maciej@inszy.org> Newsgroups: pl.comp.lang.ruby Subject: Re: ActiveRecord + drzewo Date: Wed, 18 Feb 2009 01:33:45 -0800 (PST) Organization: http://groups.google.com Lines: 21 Message-ID: <6386c9ff-8fdf-4fa5-b699-88aba9cc20c9@j35g2000yqh.googlegroups.com> References: <6c73d4b9-ccf5-44be-a258-5cc7b94f6ced@j1g2000yqi.googlegroups.com> <1e07f68b-8294-40a1-b4d8-3b4cb14b185f@m42g2000yqb.googlegroups.com> <m1wkz7hjz0vu.bebfdg63ubqp$.dlg@40tude.net> NNTP-Posting-Host: 83.206.10.213 Mime-Version: 1.0 X-Trace: posting.google.com 1234949625 2738 127.0.0.1 (18 Feb 2009 09:33:45 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Wed, 18 Feb 2009 09:33:45 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: j35g2000yqh.googlegroups.com; posting-host=83.206.10.213; posting-account=MCsK9QoAAADR3N0Y6IINw_zxuwr7aQOP User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.9.0.6) Gecko/2009020911 Ubuntu/8.10 (intrepid) Firefox/3.0.6,gzip(gfe),gzip(gfe) Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit