def conferences():
return Select(
fields = Fields.conference(),
source = Tables.conference(),
filter = Filter(None),
order = Order("abbreviation"),
).execute(cursor())
def conference(id = None, abbreviation = None):
assert (id is not None) ^ (abbreviation is not None)
filter = None
if id is not None: filter = Filter("conference = %d" % id)
else: filter = Filter("abbreviation = '%s'" % abbreviation)
c = cursor()
conferences = Select(
fields = Fields.conference(),
source = Tables.conference(),
filter = filter,
order = Order(None),
).execute(c)
if len(conferences) == 0: return None
else: return conferences[0].__dict__
