def set_key(self, classifier, key, value):
"""
Set the value held by the classifier, key composite key.
"""
session = self.sessionFactory()
store = Store()
value = json.dumps(value)
store.value = value
store.key = key
store.classifier = classifier
session.merge(store)
session.commit()
def set_key_list(self, classifier, key_value_tuples):
"""
Given a list of tuples of classifier, key, value set them all.
It is more efficient to use one session and merge all of the objects
at once than to merge them individually.
"""
session = self.sessionFactory()
for key, value in key_value_tuples:
store = Store()
value = json.dumps(value)
store.value = value
store.key = key
store.classifier = classifier
session.merge(store)
session.commit()