Referential integrity table relation.

Bonfire code builder module.

Showing parent name/description in queries instead of parent ID
Including parent rows in create/edit dropdowns for selection
Including list of related children in jQuery UI Tabs in view_default
Set nullable fields to NULL instead of default value when nothing is
entered

extracted from:
https://github.com/wescleveland56/Bonfire/tree/feature/enhanced-build-parent-child.

more details on:
http://forums.cibonfire.com/discussion/1086