Also, you can set ondelete = "NO ACTION" at field definition that is referenced
On Monday, December 4, 2017 at 6:01:38 PM UTC+3, rafi farchi wrote: > > Hi > How i can define a requiers rule so that a row in parent table can be > deleted only if it does not have any reference . if an attempt to delete > and there are rows in child tables then the delete is blocked and a message > pop up (same as in m/s access)- you can not delete it is referenced by > child tables ... -- 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.
