you can't reference fields from different databases.
On Thursday, October 23, 2014 3:07:50 PM UTC+2, Carl Petersen wrote:
>
> Hello,
>
> I'm trying to reference the auth_user table in one database from a field
> definition for a table in a different database. Hopefully the code below
> will clarify:
>
> db1 =
> DAL('postgres://user:password@host1/database1',pool_size=1,check_reserved=None,migrate=False)
> db =
> DAL('postgres://user:password@host/database',pool_size=1,check_reserved=['all'],migrate=False)
>
> db1.executesql("set search_path to 'devxref','public';")
> db.executesql("set search_path to 'po','xref','dw','public';")
>
> *db*.define_table('x_vendor',
> Field('source_vendor_dwid',db.d_supplier_source),
> Field('source_vendor_id'),
> Field('source_system_dwid',db.d_source),
> Field('source_system_id'),
> Field('gp_vendor_dwid',db.d_supplier_source),
> Field('gp_vendor_id'),
> Field('changed_date_time','datetime',
> default=request.now, update=request.now, writable=False),
> Field('changed_user_id','reference *db1*.auth_user',
> default=auth.user_id, update=auth.user_id, writable=False),
> format='%(x_vendor)s')
>
> I get the following errors in the dump:
>
> Traceback (most recent call last):
> File "/opt/web-apps/web2py/gluon/restricted.py", line 224, in restricted
> exec ccode in environment
> File "/opt/web-apps/web2py/applications/wspg/controllers/x_vendor.py"
> <https://dc1ux544/admin/default/edit/wspg/controllers/x_vendor.py>, line 127,
> in <module>
> File "/opt/web-apps/web2py/gluon/globals.py", line 392, in <lambda>
> self._caller = lambda f: f()
> File "/opt/web-apps/web2py/applications/wspg/controllers/x_vendor.py"
> <https://dc1ux544/admin/default/edit/wspg/controllers/x_vendor.py>, line 85,
> in add
> if form.process().accepted:
> File "/opt/web-apps/web2py/gluon/html.py", line 2303, in process
> self.validate(**kwargs)
> File "/opt/web-apps/web2py/gluon/html.py", line 2240, in validate
> if self.accepts(**kwargs):
> File "/opt/web-apps/web2py/gluon/sqlhtml.py", line 1671, in accepts
> self.vars.id = self.table.insert(**fields)
> File "/opt/web-apps/web2py/gluon/dal.py", line 9320, in insert
> ret = self._db._adapter.insert(self, self._listify(fields))
> File "/opt/web-apps/web2py/gluon/dal.py", line 1354, in insert
> query = self._insert(table, fields)
> File "/opt/web-apps/web2py/gluon/dal.py", line 2903, in _insert
> values = ','.join(self.expand(v, f.type) for f, v in fields)
> File "/opt/web-apps/web2py/gluon/dal.py", line 2903, in <genexpr>
> values = ','.join(self.expand(v, f.type) for f, v in fields)
> File "/opt/web-apps/web2py/gluon/dal.py", line 1555, in expand
> return str(self.represent(expression, field_type))
> File "/opt/web-apps/web2py/gluon/dal.py", line 3079, in represent
> return BaseAdapter.represent(self, obj, fieldtype)
> File "/opt/web-apps/web2py/gluon/dal.py", line 2016, in represent
> ftype = self.db[p[0]][p[2]].type
> File "/opt/web-apps/web2py/gluon/dal.py", line 8512, in __getitem__
> return self.__getattr__(str(key))
> File "/opt/web-apps/web2py/gluon/dal.py", line 8522, in __getattr__
> return ogetattr(self, key)
> AttributeError: 'DAL' object has no attribute 'db1'
>
>
>
> Any assistance would be greatly appreciated.
>
> Thanks!
>
> Carl
>
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