On Jul 21, 2009, at 9:14 PM, Yarko Tymciurak wrote: > There is a section in the new book draft which covers Self-Reference > and Aliases (self-reference notation was added, I believe, after > the first version went to print).
Yes, I've read it. What I'm saying is that it ought to be extended to include a two-table cross-reference example. > > On Tue, Jul 21, 2009 at 10:53 PM, Jonathan Lundell > <jlund...@pobox.com> wrote: > > On Jul 21, 2009, at 8:49 PM, Yarko Tymciurak wrote: > > > There are two formats for declaring a reference: > > > > .... > > db.Field('owner', db.other_table) # this must have other_table > > already defined, or it is a Python error; > > ... > > db.Field('owner', 'reference other_table') # this is delayed > > evaluation, and what you would use to have two tables cross link > > each other; > > > > This could use a little more detail in the manual, which talks about > it in terms of self-reference, but doesn't really explain the > mechanism, or mention the cross-reference usage. IIRC. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py-users" group. To post to this group, send email to web2py@googlegroups.com To unsubscribe from this group, send email to web2py+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---