[Ror-es] Palabras reservadas en campos de bases de datos

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Jaime.

@url esta reservada por el 'url rewriter' de routes.rb

Me picó esto tambien...

Joshua

On Feb 21, 2006, at 3:01 PM, Jaime Iniesta wrote:

> Hola, me he enfrentado a un pequeño problema que no se bien a qué se
> debe. Haciendo una pequeña aplicación web en la que tengo una lista de
> páginas con su URL, título y descripción, monté en principio una tabla
> "urls" con estos campos:
>
> * id
> * url
> * title
> * description
>
> Al generar el scaffold para esto (ruby script/generate scaffold Url)
> me lo crea sin problemas. Me meto por localhost:3000/urls y me aparece
> el listado vacío, y al darle a "new url"... patapum! Me sale un fallo
> que dice algo así como lo que anexo al final.
>
> Pero si a la tabla la llamo "pages" y tiene estos campos:
>
> * id
> * address (en lugar de url)
> * title
> * description
>
> Ya todo funciona como de costumbre. ¿Dónde estaba el fallo? ¿Quizá
> "url" es una palabra reservada? ¿O está en que usé el nombre del
> modelo, url, en un atributo del mismo?
>
> #################
>  NoMethodError in Urls#new
>
> Showing app/views/urls/new.rhtml where line #3 raised:
>
> undefined method `rewrite' for #<Url:0xb7a68834>
>
> Extracted source (around line #3):
>
> 1: <h1>New url</h1>
> 2:
> 3: <%= start_form_tag :action => 'create' %>
> 4:   <%= render :partial => 'form' %>
> 5:   <%= submit_tag "Create" %>
> 6: <%= end_form_tag %>
>
> RAILS_ROOT: script/../config/..
> Application Trace | Framework Trace | Full Trace
>
> /usr/lib/ruby/gems/1.8/gems/activerecord-1.13.0/lib/active_record/ 
> base.rb:1497:in
> `method_missing'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:444:in
> `url_for'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> helpers/url_helper.rb:18:in
> `url_for'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> helpers/form_tag_helper.rb:26:in
> `start_form_tag'
> #{RAILS_ROOT}/app/views/urls/new.rhtml:3
>
> /usr/lib/ruby/gems/1.8/gems/activerecord-1.13.0/lib/active_record/ 
> base.rb:1497:in
> `method_missing'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:444:in
> `url_for'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> helpers/url_helper.rb:18:in
> `url_for'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> helpers/form_tag_helper.rb:26:in
> `start_form_tag'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> base.rb:269:in
> `compile_and_render_template'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> base.rb:245:in
> `render_template'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> base.rb:206:in
> `render_file'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:643:in
> `render_file'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:583:in
> `render_with_no_layout'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> layout.rb:218:in
> `render_without_benchmark'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:53:in
> `render'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:53:in
> `measure'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:53:in
> `render'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:842:in
> `perform_action_without_filters'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> filters.rb:332:in
> `perform_action_without_benchmark'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:69:in
> `perform_action_without_rescue'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:69:in
> `measure'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:69:in
> `perform_action_without_rescue'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> rescue.rb:82:in
> `perform_action'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:365:in
> `process_without_session_management_support'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> session_management.rb:116:in
> `process'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/dispatcher.rb:38:in  
> `dispatch'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/webrick_server.rb:117:in
> `handle_dispatch'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/webrick_server.rb: 
> 83:in `service'
> /usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
> /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
> /usr/lib/ruby/1.8/webrick/server.rb:172:in `start_thread'
> /usr/lib/ruby/1.8/webrick/server.rb:161:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:161:in `start_thread'
> /usr/lib/ruby/1.8/webrick/server.rb:95:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:92:in `each'
> /usr/lib/ruby/1.8/webrick/server.rb:92:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/webrick_server.rb: 
> 69:in `dispatch'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/commands/servers/ 
> webrick.rb:59
> /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:21:in  
> `require'
> /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.3/lib/active_support/ 
> dependencies.rb:214:in
> `require'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/commands/server.rb:28
> /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:21:in  
> `require'
> /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.3/lib/active_support/ 
> dependencies.rb:214:in
> `require'
> script/server:3
>
> /usr/lib/ruby/gems/1.8/gems/activerecord-1.13.0/lib/active_record/ 
> base.rb:1497:in
> `method_missing'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:444:in
> `url_for'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> helpers/url_helper.rb:18:in
> `url_for'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> helpers/form_tag_helper.rb:26:in
> `start_form_tag'
> #{RAILS_ROOT}/app/views/urls/new.rhtml:3
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> base.rb:269:in
> `compile_and_render_template'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> base.rb:245:in
> `render_template'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_view/ 
> base.rb:206:in
> `render_file'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:643:in
> `render_file'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:583:in
> `render_with_no_layout'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> layout.rb:218:in
> `render_without_benchmark'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:53:in
> `render'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:53:in
> `measure'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:53:in
> `render'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:842:in
> `perform_action_without_filters'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> filters.rb:332:in
> `perform_action_without_benchmark'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:69:in
> `perform_action_without_rescue'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:69:in
> `measure'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> benchmarking.rb:69:in
> `perform_action_without_rescue'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> rescue.rb:82:in
> `perform_action'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> base.rb:365:in
> `process_without_session_management_support'
> /usr/lib/ruby/gems/1.8/gems/actionpack-1.11.0/lib/action_controller/ 
> session_management.rb:116:in
> `process'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/dispatcher.rb:38:in  
> `dispatch'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/webrick_server.rb:117:in
> `handle_dispatch'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/webrick_server.rb: 
> 83:in `service'
> /usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
> /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
> /usr/lib/ruby/1.8/webrick/server.rb:172:in `start_thread'
> /usr/lib/ruby/1.8/webrick/server.rb:161:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:161:in `start_thread'
> /usr/lib/ruby/1.8/webrick/server.rb:95:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:92:in `each'
> /usr/lib/ruby/1.8/webrick/server.rb:92:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
> /usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/webrick_server.rb: 
> 69:in `dispatch'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/commands/servers/ 
> webrick.rb:59
> /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:21:in  
> `require'
> /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.3/lib/active_support/ 
> dependencies.rb:214:in
> `require'
> /usr/lib/ruby/gems/1.8/gems/rails-0.14.3/lib/commands/server.rb:28
> /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:21:in  
> `require'
> /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.3/lib/active_support/ 
> dependencies.rb:214:in
> `require'
> script/server:3
>
> Request
>
> Parameters: None
> --
> Jaime Iniesta alias Capitán planeta
> email: capitanplaneta ARROBA gmail PUNTO com
> jabber: capitanplaneta ARROBA jabberes PUNTO org
> http://capitanplaneta.blogspot.com/
> http://railes.net
> _______________________________________________
> Ror-es mailing list
> 
> 

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