On Tuesday, July 5, 2016 at 11:23:36 AM UTC-4, Carlos Cesar Caballero wrote: > > Hi Marlysson, thanks for your answer, yes maybe I must be more concise. > > In a clasic identifyng relationship, lets say a relation author-book-page > (author has books and books has pages) In this case, the book primary key > includes the author id, and the page primary key includes the book primary > key (author and book ids). > > One of the advantages of the identifyng relationship model is that I can > known what book belongs page without need a join, that can be useful when > we have a deep relation tree. >
Can you show an example of the table definitions that would allow you to get the related data without a join? Anthony -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
