Subject | RE: [firebird-php] What approach are people using? ORM for FB |
---|---|
Author | Alan McDonald |
Post date | 2007-02-05T22:44:14Z |
> I have a rather large PHP5 application that I'm building, using a MVCpart of you workorder class in PHP is an object called JobWorkers. It's an
> approach with Firebird on the back-end for everything. Its
> incredibly fast,
> and this is a dynamite technology combination!
>
> I'm building classes that represent my data access to Firebird. All of my
> access to the Firebird data is done through Stored Procedures, so I have
> been able to abstract the tables in such a way that represents
> the 'business
> objects' as best I can to map to PHP classes.
>
> But as I get through this application, I'm starting to find the need to
> create forms that work with multiple classes, or at least forms that work
> with a main class by that the class has a one to many relationship with
> other classes. I'm probably not saying this correctly, as this
> is more of a
> relational model way of expressing it, but here's a typical
> example of what
> I'm finding.
>
> I have a 'Job' (Work Order) that is stored in a single table in Firebird,
> and is represented as a single class called 'Job' in PHP. A job can have
> one or many workers assigned to it. There is a class for
> 'Worker' that is a
> single table in Firebird and a single class in PHP. There is a separate
> table in Firebird representing the relationship between the Job and the
> Workers assigned to it. This resolves a many to many relationship between
> Jobs & Workers.
>
> On my form in HTML, I have the job and all of its properties
> showing. But I
> need a table within the form that shows all the Workers assigned to it.
>
> When I look at the class of Job, I have singular properties (ie. Scheduled
> date, Priority, etc.). That's all fine. But how do I represent the
> collection of workers who are assigned to it? For me, its easy in a
> relational world because I just create a join table and that's
> it. But how
> is this represented in PHP as classes?
>
> I'm sure this is pretty rudimentary stuff, but I'm curious as to how other
> PHP-Firebird developers deal with this sort of thing. Are there any good
> reference books on how to 'think' in regards to Object-Relational
> Mapping so
> that I can follow some 'best practices' for this sort of thing
> and minimize
> the amount of management code I have to write to pull all of this
> together?
>
> Thanks in advance for any advice.
>
> Regards,
> Myles
array of type Workers. So you can have nil or many objects of workers in
every Workorders class. You Workers class has a parameter which, when set,
pupolates the workers class with workers of a particular type, i.e. of a
particular workorder. Is that something like what you need?
Alan