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comp.lang.ruby

railroad problem

srinivasan.anand

11/16/2007 2:36:00 PM

=20

Hi all,

Got struck up with this. Please help.

=20

The actual requirement is that I am trying to generate a model diagram
thru the railroad which I have installed in my machine. I use both
oracle and postgre db's in the db connection (database.yml file).=20

=20

"puredisk_development:

adapter: postgresql

database: ca

port: 10085

username: ***

password: ***

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reporting_development:

adapter: oracle

username: ***

password: ***

database: ***

"

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The error which I am getting when I am running the command "railroad -M
-v -o models" is=20

=20

/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
/dependencies.rb:249:in `load_missing_constant': Expected
config/../app/models/pd.rb to define Pd (LoadError)

from
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
/dependencies.rb:452:in `const_missing'

from
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
/dependencies.rb:464:in `const_missing'

from
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
/inflector.rb:250:in `constantize'

from
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
/core_ext/string/inflections.rb:148:in `constantize'

from
/usr/local/lib/ruby/gems/1.8/gems/railroad-0.4.0/lib/railroad/models_dia
gram.rb:25:in `generate'

from
/usr/local/lib/ruby/gems/1.8/gems/railroad-0.4.0/lib/railroad/models_dia
gram.rb:24:in `each'

from
/usr/local/lib/ruby/gems/1.8/gems/railroad-0.4.0/lib/railroad/models_dia
gram.rb:24:in `generate'

from
/usr/local/lib/ruby/gems/1.8/gems/railroad-0.4.0/bin/railroad:40

from /usr/local/bin/railroad:16:in `load'

from /usr/local/bin/railroad:16

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This "pd.rb" in the error uses the postgre db conection.

The contents of the pd.rb file are=20

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"

class PD < ActiveRecord::Base

connection =3D "puredisk_#{ENV['RAILS_ENV']}"

establish_connection connection.to_sym

end

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class PD::Policy < PD; set_table_name 'policy'; end

class PD::Dsinpolicies < PD; set_table_name 'dsinpolicies'; end

class PD::Dataselection < PD; set_table_name 'dataselection'; end

class PD::Agent < PD; set_table_name 'agent'; end

class PD::Job < PD; set_table_name 'job'; end

class PD::Policyrun < PD; set_table_name 'policyrun'; end

class PD::Dstemplate < PD; set_table_name 'dataselectiontemplate'; end

class PD::Policytype < PD; set_table_name 'policytype'; end

"

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And the rails_env is "development"

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Thanks in advance ..

=20

Regards,

Anand.

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This message is for the designated recipient only and may contain =
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2 Answers

Mohit Sindhwani

11/16/2007 2:52:00 PM

0


srinivasan.anand@accenture.com wrote:
>
>
> Hi all,
>
> Got struck up with this. Please help.
>
>
>
> The actual requirement is that I am trying to generate a model diagram
> thru the railroad which I have installed in my machine. I use both
> oracle and postgre db's in the db connection (database.yml file).
>
>
>
> "puredisk_development:
>
> adapter: postgresql
>
> database: ca
>
> port: 10085
>
> username: ***
>
> password: ***
>
>
>
> reporting_development:
>
> adapter: oracle
>
> username: ***
>
> password: ***
>
> database: ***
>
> "
>
>
>
> This "pd.rb" in the error uses the postgre db conection.
>
> The contents of the pd.rb file are
>
>
>
> "
>
> class PD < ActiveRecord::Base
>
> connection = "puredisk_#{ENV['RAILS_ENV']}"
>
> establish_connection connection.to_sym
>
> end
>
>
>

Do you have an environment called 'development' in database.yml? It
seems you have reporting_development and puredisk_development but not
development.

That said, I think for one of my projects, I had some problems with
railroad trying to resolve class name because my file names didn't seem
to match the convention... I think my table was called TTFiles and my
model was TtFile and the file name was tt_file.rb - and it all didn't
add up to Railroad properly at that time. I don't know if the problem
you are seeing is because it expects your class to be Pd (not PD)?

Hope this helps.

Cheers,
Mohit.
11/16/2007 | 10:51 PM.

steffen_kory

11/16/2007 2:54:00 PM

0

It looks like it is looking for a class called Pd and not PD.

Try "class Pd < ActiveRecord::Base".


On Fri, 16 Nov 2007 23:36:00 +0900, srinivasan.anand wrote
> Hi all,
>
> Got struck up with this. Please help.
>
> The actual requirement is that I am trying to generate a model
> diagram thru the railroad which I have installed in my machine. I
> use both oracle and postgre db's in the db connection (database.yml
> file).
>
> "puredisk_development:
>
> adapter: postgresql
>
> database: ca
>
> port: 10085
>
> username: ***
>
> password: ***
>
> reporting_development:
>
> adapter: oracle
>
> username: ***
>
> password: ***
>
> database: ***
>
> "
>
> The error which I am getting when I am running the command "railroad
> -M -v -o models" is
>
> /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
> /dependencies.rb:249:in `load_missing_constant': Expected
> config/../app/models/pd.rb to define Pd (LoadError)
>
> from
> /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
> /dependencies.rb:452:in `const_missing'
>
> from
> /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
> /dependencies.rb:464:in `const_missing'
>
> from
> /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
> /inflector.rb:250:in `constantize'
>
> from
> /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support
> /core_ext/string/inflections.rb:148:in `constantize'
>
> from
> /usr/local/lib/ruby/gems/1.8/gems/railroad-0.4.0/lib/railroad/models_dia
> gram.rb:25:in `generate'
>
> from
> /usr/local/lib/ruby/gems/1.8/gems/railroad-0.4.0/lib/railroad/models_dia
> gram.rb:24:in `each'
>
> from
> /usr/local/lib/ruby/gems/1.8/gems/railroad-0.4.0/lib/railroad/models_dia
> gram.rb:24:in `generate'
>
> from
> /usr/local/lib/ruby/gems/1.8/gems/railroad-0.4.0/bin/railroad:40
>
> from /usr/local/bin/railroad:16:in `load'
>
> from /usr/local/bin/railroad:16
>
> This "pd.rb" in the error uses the postgre db conection.
>
> The contents of the pd.rb file are
>
> "
>
> class PD < ActiveRecord::Base
>
> connection = "puredisk_#{ENV['RAILS_ENV']}"
>
> establish_connection connection.to_sym
>
> end
>
> class PD::Policy < PD; set_table_name 'policy'; end
>
> class PD::Dsinpolicies < PD; set_table_name 'dsinpolicies'; end
>
> class PD::Dataselection < PD; set_table_name 'dataselection'; end
>
> class PD::Agent < PD; set_table_name 'agent'; end
>
> class PD::Job < PD; set_table_name 'job'; end
>
> class PD::Policyrun < PD; set_table_name 'policyrun'; end
>
> class PD::Dstemplate < PD; set_table_name 'dataselectiontemplate'; end
>
> class PD::Policytype < PD; set_table_name 'policytype'; end
>
> "
>
> And the rails_env is "development"
>
> Thanks in advance ..
>
> Regards,
>
> Anand.
>
> This message is for the designated recipient only and may contain
> privileged, proprietary, or otherwise private information. If you
> have received it in error, please notify the sender immediately and
> delete the original. Any other use of the email by you is prohibited.


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