Re: RoR vs PHP

Article View: pl.comp.lang.ruby

Article #827

#827

From: Jaroslaw Zabiello
Date: Wed, 02 Jan 2008 03:53

37 lines
2203 bytes

On Tue, 01 Jan 2008 23:14:53 -0000, Jaroslaw Zabiello <abuse@tpnet.pl>  
wrote:

> class Child1 < Sequel::Model(:childs1)
>    set_schema do
>      primary_key :parent_id
>      varchar :pole1
>    end
>    class << self
>      def next_id
>        self.select(:max[:parent_id].as(:last_id)).first.last_id.to_i + 1
>      end
>    end
>    before_save do
>      unless Parent.filter(:id => Child1.next_id).first
>        raise 'Parent cannot assign more childs1 objects'
>      end
>    end
> end

To samo, ale krócej:

class Child1 < Sequel::Model(:childs1)
   set_schema do
     primary_key :parent_id
     varchar :pole1
   end
   before_save do
     unless Parent[Child1.max(:parent_id).to_i + 1]
       raise 'Parent cannot assign more childs1 objects'
     end
   end
end

-- 
Jarosław Zabiełło
http://blog.zabiello.com

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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.gazeta.pl!not-for-mail
From: "Jaroslaw Zabiello" <abuse@tpnet.pl>
Newsgroups: pl.comp.lang.ruby
Subject: Re: RoR vs PHP
Date: Wed, 02 Jan 2008 03:53:39 -0000
Organization: "Portal Gazeta.pl -> http://www.gazeta.pl"
Lines: 37
Message-ID: <op.t4aafpggr2rg33@jzmbp.local>
References: <fl6ahk$m1q$1@inews.gazeta.pl> <op.t351icnsr2rg33@jzmbp.local> <fl93bh$d8p$1@inews.gazeta.pl> <r4il45-1ar.ln1@router.piechotka.com.pl> <op.t358bkfwr2rg33@jzmbp.local> <fl9aau$9b9$5@inews.gazeta.pl> <20071231084648.6d47feda.gryf_esm-no@spam-o2.pl> <op.t37dq3ydr2rg33@jzmbp.local> <0enn45-u25.ln1@router.piechotka.com.pl> <op.t37qnpdrr2rg33@jzmbp.local> <3pbo45-ha7.ln1@router.piechotka.com.pl> <op.t3777x1jr2rg33@jzmbp.local> <jtip45-n8c.ln1@router.piechotka.com.pl> <op.t388lvhur2rg33@jzmbp.local> <h96q45-37f.ln1@router.piechotka.com.pl> <op.t39jhmarr2rg33@jzmbp.local> <grhq45-5dg.ln1@router.piechotka.com.pl> <op.t39xi4kdr2rg33@jzmbp.local>
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