I'm currently using this method to insert new elements. How can I update
the 'update_date' field only if there's an update and only insert the
'creation_date' one time?
import datetime
now = datetime.datetime.now()
db.define_table('dogs', Field('name'),
Field('owner'),
Field('address'),
Field('creation_date', 'datetime'),
Field('update_date', 'datetime'))
q1 = db.dogs.name == 'Paco'
q2 = db.dogs.owner == 'Rob'
db.dogs.update_or_insert((q1) & (q2), name='Paco', owner='Rob',
creation_date=now)
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