perhaps you can use unique=True on your table 'server'
e.g. 1
db.define_table('server',
Field('servername', length=200),
Field('port', length=200),
Field('ipaddress_id', unique=True, 'reference ipaddress'))
db.server.ipaddress_id.requires = IS_IN_DB(db,db.ipaddress.id, '%(ip)s')
another thing, is you can use query for that.
e.g.2
db.define_table('ipaddress',
Field('ip', unique=True, length=200),
Field('subnet', length=200),
Field('status', length=200),
format = '%(ip)s')
def __after_insert_server(f, id):
db(db.ipaddress.id == f.ipaddress_id).update(status = T('Recorded') )
db.ipaddress.status.default = T('Unrecorded')
db.server._after_insert.append(__after_insert_server)
db.server.ipaddress_id.requires = IS_IN_DB(db(db.ipaddress.status ==
T('Unrecorded') ), db.ipaddress.id, '%(ip)s')
best regards,
stifan
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