Sorry, for the spamming, code typo (was trying to simplify it), should read:
invoices = query(ArkInvoice).\
join(ArkInvoice.project).\
join(ArkProject.client).\
options(sa.orm.contains_eager(ArkInvoice.project.client)).\
filter(ArkInvoice.project.client.id == id)
On Thu, Jun 9, 2011 at 8:50 AM, Jules Stevenson
<droolz...@googlemail.com> wrote:
> I don't think the info I sent last night was particularly clear,
> apologies it was late. The code for the classes is below:
>
> # ArkClient - clientprojectshot module
> orm.mapper(ArkClient, clients_table, properties={
> 'contacts':orm.relation(ArkContact,
> backref='client'),
> 'projects':orm.relation(ArkProject,
> backref='client',
> cascade="all, delete, delete-orphan")
> })
>
> # ArkProject - clientprojectshot module
> orm.mapper(ArkProject, projects_table, properties={
> 'contacts': orm.relation(ArkContact,
> secondary=project_contact_table,
> backref='projects'),
> 'invoices':orm.relation(ArkInvoice,
> backref='project',
> cascade="all, delete"),
> 'shots':orm.relation(ArkShot,
> backref='project',
> cascade="all, delete, delete-orphan"),
> 'users':orm.relation(ArkUser,
> backref='projects',
> secondary=user_projects_primary_table)
> })
>
> # ArkInvoice - invoices module
> orm.mapper(ArkInvoice, invoices_table, properties={
> 'entries': orm.relation(ArkInvoiceEntry,
> secondary=invoice_entries_primary_table,
> backref='invoice',
> cascade="all, delete"),
> 'user': orm.relation(ArkUser, backref='invoice'),
> 'child_invoices':orm.relation(ArkInvoice,
> backref=backref('parent_invoice',
> remote_side=[invoices_table.c.id]),
> cascade="all",
> lazy=False,
> join_depth=3)
> })
>
> What I am trying to do is query the client of an invoice, and to do
> this I need to build a query something along the lines of:
>
> invoice > project > client, and filter by client, or at least I thnk I
> need to do this.
>
> So the current query code I have looks something like this:
>
> invoices = query(ArkInvoice).\
> join(ArkInvoice.project).\
> join(ArkProject.client).\
>
> options(sa.orm.contains_eager(model.ArkInvoice.project.client)).\
> filter(model.ArkInvoice.project.client.id == id)
>
> But this doesn't work, and I've tried many variations around this
> theme with no joy. I'm clearly missing something fundamental, but I'm
> not sure what. Any pointers gratefully received.
>
> Many thanks,
>
> Jules
>
>
> On Wed, Jun 8, 2011 at 9:56 PM, Jules Stevenson
> <droolz...@googlemail.com> wrote:
>> sorry, hit the send button a little too soon.
>>
>> Any help on the above much appreciated,
>>
>> Jules
>>
>
--
You received this message because you are subscribed to the Google Groups
"sqlalchemy" group.
To post to this group, send email to sqlalchemy@googlegroups.com.
To unsubscribe from this group, send email to
sqlalchemy+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/sqlalchemy?hl=en.
