[CWEP002] Add support for computed attribute synchronization
Related to #3546717.
Test and handle the behaviour with several formulas and identified use cases. To
do so add a birth year and a computed attribute age to Person in the test
schema.
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from yams.buildobjs import EntityType, String, Int, SubjectRelation
THISYEAR = 2014
class Person(EntityType):
name = String()
salaire = Int()
birth_year = Int(required=True)
travaille = SubjectRelation('Societe')
age = Int(formula='Any %d - D WHERE X birth_year D' % THISYEAR)
class Societe(EntityType):
nom = String()
salaire_total = Int(formula='Any SUM(SA) GROUPBY X WHERE P travaille X, P salaire SA')