Hi!
In words what i need is to get a set from this query: select the
'persons.email' and 'persons.id' from table 'persons' *that are not in*table
'invitations.to'
my tables:
db.define_table('persons',
Field('name'),
Field('email'))
db.define_table('invitations',
Field('from',db.persons),
Field('to',db.persons))
Any help is welcome.
Thank you very much.
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