For those who may have missed it too - don't define an id column for the
relation table (ArticleCategoryRelation in my example) and you'll get the
N:M stuff in your forms.
Regards,
Rytis
On Sun, Feb 15, 2009 at 10:56 PM, Rytis Daugirdas <rytis.daugir...@gmail.com
> wrote:
> Hello,
>
> Does symfony handle N - M relationships in any way? For example:
>
> Category:
> tableName: pp_category
> columns:
> id:
> name: { type: varchar(255), required: true }
>
> Article:
> tableName: pp_article
> columns:
> id:
> title: { type: varchar(255), required: true }
>
> ArticleCategoryRelation:
> tableName: pp_article_category_relation
> columns:
> id:
> article_id: { type: integer, required: true }
> category_id: { type: integer, required: true }
> foreignKeys:
> -
> foreignTable: pp_article
> onDelete: cascade
> references:
> - { local: article_id, foreign: id }
> -
> foreignTable: pp_category
> onDelete: cascade
> references:
> - { local: category_id, foreign: id }
>
> I inspected the generated forms for this example and they don't seem to
> include any many-to-many funcionality. For example, there's no widget to
> select categories an article belongs to. The same applies to filter forms.
>
> Am I missing something, or is this functionality simply not implemented in
> symfony?
>
> Regards,
> Rytis
>
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