def loadTables(self, institution, personCacheDict=None):
listOfDurationTupples = []
with self._connection:
_c = self._connection.cursor()
for row in _c.execute('SELECT * FROM Durations'):
d = Duration(institution)
d.name = row[1]
listOfDurationTupples.append((row[0], d))
e = MultipleEventsSavingObject([], self._filename, 0)
for t in listOfDurationTupples:
e.loadEvents(t[1], t[0], personCacheDict)
institution.durations.append(t[1])
