Thanks!

On Oct 17, 10:33 am, mdipierro <[EMAIL PROTECTED]> wrote:
> db.define_table('tableE',SQLField('name'))
>
> db.define_table('tableA',SQLField('tableE',db.tableE),SQLField('name'))
>
> condition=db.tableE.name.like('%o') ## records where name ends in 'o'
> db.tableA.tableE.requires=IS_IN_DB(db(condition),'tableE.id','%
> (name)s')
>
> On Oct 17, 3:47 am, morningovermidnight <[EMAIL PROTECTED]>
> wrote:
>
> > Ok, here goes. I would like to add another table to my database and
> > link it to an already exsisting table in my database. Lets say the
> > existing table is table-E, and the table to add is table-A. Usually,
> > adding a table with a foreign key reference to another table is no
> > problem. But for this situation. I do not want every record from table-
> > E to provide a foreign key to table-A. I only want a subset of the
> > records from table-E to show up in table-A. How can I do this? I know
> > I can get a subset of records from table-E with a query, but then how
> > to add all the results of the query to table-A? And if a record is
> > removed or altered in table-E, will those changes be reflected on
> > related entries in table-A? Will the query be automatically updating?
> > Can a database column be an SQL query?
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"web2py Web Framework" group.
To post to this group, send email to web2py@googlegroups.com
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at 
http://groups.google.com/group/web2py?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to