Hello! Your are not referencing the parent table. I think, what you want to address, is as follows: if db((db.*parent*.id>0) & (db.children.parent==parent.id)).count() >=10: ...
Then the error should not occur and you are get all parents with more than 10 children. Regards Clemens On Sunday, December 12, 2021 at 9:29:11 AM UTC+1 mostwanted wrote: > I am trying to create a short validator that limits the number of children > that can be listed under one parent but I'm having a problem with the > highlighted line because I cant use *parent.id <http://parent.id> *to > specify the selected parent when the parent variable is referenced outside > the validator function. I rightfully get: > *<type 'exceptions.NameError'> global name 'parent' is not defined* > > Anyone on ideas on how to work around this? > > def my_validator(form): > * if db((db.children.id <http://db.children.id>>0) & > (db.children.parent==parent.id <http://parent.id>)).count() >=10:* > form.errors.children_names=SPAN("The number of children has > exceeded the required number") > > def registration(): > * parent=db.parent(request.args(0, cast=int)) #referenced outside the > validator function* > db.children.parent.default=parent.id > form=SQLFORM(db.children) > if form.process(onvalidation=my_validator).accepted: > response.flash=T('Client Registered') > return locals() > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/web2py/f6b6230b-28bd-4415-adbe-77f77e57b060n%40googlegroups.com.