def init_foreign_keys(self):
for _, t in self.meta().tables.iteritems():
for _fk in t.foreign_keys:
a = create_column(self._tables[_fk.parent.table.name], str(_fk.parent.key), _fk.parent)
b = create_column(self._tables[_fk.column.table.name], str(_fk.column.key), _fk.column)
fk = ForeignKey(a, b)
self._tables[a.table.name].set_foreign_key(a.name, fk)
self._tables[b.table.name].set_foreign_key(str(a), fk)
def __init__(self, entity=None, uri=None, owner=None, size=None, name=None, primary_key=None, columns=None):
if entity is not None:
self.name = entity.name
elif name is not None:
self.name = name
self._entity = entity
self.uri = uri
self.owner = owner
self.size = size
if entity is not None:
self._columns = map(lambda c: create_column(self, str(c.name), c), entity.columns)
elif columns is not None:
self._columns = map(lambda c: create_column(self, c), columns)
else:
self._columns = None
self._fks = {}
self.primary_key = primary_key
