All this is implemented in symfony 1.1 and symfony 1.2 form framework.
--
Fabien Potencier
Sensio CEO - symfony lead developer
sensiolabs.com | symfony-project.com | aide-de-camp.org
Tél: +33 1 40 99 80 80
Eus wrote:
> Hi Ho!
>
>>From a given schema of a DB, a set of basic restrictions for all fields can
>>be concluded. For example, if a field is designated as a PK, automatically
>>its value must be unique. Another example, if a field is of type VARCHAR(10),
>>it can only accommodate 10 characters at most.
>
> Currently, symfony does not validate user input for the fields against such
> basic restrictions automatically. For example, for a field named `a_field' of
> type VARCHAR(10), it is needed to write something like:
>
> product{a_field}:
> sfStringValidator:
> max: 15
> max_error: Can only contain 15 characters
>
> This needs to be repeated in every other modules that also provide CRUD for
> the field.
>
> Since a failure to validate such basic restrictions of the model will result
> in a PropelException like:
>
> [PropelException]
> Unable to execute INSERT statement. [wrapped: Could not execute update
> [Native Error: ERROR: value too long for type character varying(15)]
>
> symfony should automatically generate one class for each table that will act
> as the validator of basic restrictions of the fields of the table.
>
> These classes then can be _overridden_ by users that need further checking
> such as lapse year in case of a date field, and can be _complemented_ with
> `validate/*.yml'.
>
> If database schema itself cannot be deduced from the live DB, a simple .yml
> file may be provided to help symfony generates the classes. For example,
>
> table_a:
> field_a:
> varchar: 5
>
> What do you think?
>
> Also, currently I would like to implement such a facility so that I do not
> have to clutter myself with the validations of the basic restrictions of each
> table. Anyone would like to provide suggestion as how the things should be
> hacked?
>
> Thank you.
>
> Best regards,
> Eus
>
>
>
>
> >
>
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