We need Many-to-Many support for GIS Feature Groups (to be able to select a mixture of Feature Classes &/or individual Features) & for the Person Registry

Web2Py doesn't really support Many-to-Many SQL tables.

It can kind-of do it using Tagging widgets:

• t2.tag_widget()
• ​multiple=True

These are great for selecting between a relatively small number of options (the second supports the ​jquery multiselect plugin. However they aren't scalable & also don't have proper referential integrity.

I think the ideal should be something like:

• ​http://code.google.com/p/django-ajax-filtered-fields/

My request to Web2Py list:

• ​http://groups.google.com/group/web2py/browse_thread/thread/414fd05976f97226/

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