[Nitro] Inheritance/Constraints Bug

Rob Pitt rob at motionpath.com
Thu Dec 22 05:07:49 EST 2005


Please e-mail me a full working test case that causes this error as I
was unable to reproduce it from your code snippet.

On Thu, 2005-12-22 at 08:49 +0200, Emmanuel Piperakis wrote:
> Dear friends,
> I am not sure but I am afraid this is a bug.
> class Project
>    has_many :loans, Loan
>    schema_inheritance
> end
> 
> class ForeignProject < Project
>    property :koko, String
> end
> 
> class DomesticProject < Project
>    property :haha, String
> end
> 
> class Loan
>    belongs_to :project, Project
> end
> 
>   Og.setup(
>     :store => :psql,
>     :destroy => true,
>     :create_schema => true,
>     :evolve_schema => true,
>     :evolve_schema_cautious => false,
>     :name => 'glycerin',
>     :user => 'www-weez',
>     :password => '****'
>   )
> 
> And I get the following error:
> (which from what I understand Og is trying to make a constraint with a 
> foreign key of ForeignProject, the moment that due to the 
> schema_inheritance there is no such oid). Also without schema_inheritance 
> same error....
> 
> G!!!??? Help!
> 
> 
> D, [2005-12-22T14:24:56.437131 #21978] DEBUG -- : PostgreSQL processing 
> foreign key constraints
> E, [2005-12-22T14:24:56.449050 #21978] ERROR -- : PostgreSQL connection 
> returned an error for query ALTER TABLE ogloan ADD CONSTRAINT 
> ogc_ogloan_foreign_project_oid FOREIGN KEY (foreign_project_oid) 
> REFERENCES ogproject(oid) ON UPDATE SET NULL ON DELETE SET NULL
> E, [2005-12-22T14:24:56.449262 #21978] ERROR -- : Og.setup had problems: 
> RuntimeError => ERROR  C42703  Mcolumn "foreign_project_oid" referenced in 
> foreign key constraint does not exist      Ftablecmds.c    L4054 
> RtransformColumnNameList
> 
> ==> Setup for debug mode
> ==> Listening at 0.0.0.0:4001.
> ==> Press Ctrl-C to shutdown; Run with --help for options.
> 
> 
> Emmanouil Piperakis (epiperak at cs.ntua.gr)
> {To explore is Human, to Create is Devine,
>   To teach is Primal, to Rule is Sin}
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