if self.uselist is None:
self.uselist = True
- (self.lazywhere, self.lazybinds) = create_lazy_clause(self.parent.table, self.primaryjoin, self.secondaryjoin, self.thiscol)
if not hasattr(parent.class_, key):
#print "regiser list col on class %s key %s" % (parent.class_.__name__, key)
elif self.direction == PropertyLoader.LEFT:
uowcommit.register_dependency(self.parent, self.mapper)
uowcommit.register_processor(self.parent, False, self, self.parent, False)
- uowcommit.register_processor(self.parent, True, self, self.parent, True)
- #uowcommit.register_processor(self.mapper, False, self, self.parent, True)
+ uowcommit.register_processor(self.mapper, False, self, self.parent, True)
elif self.direction == PropertyLoader.RIGHT:
uowcommit.register_dependency(self.mapper, self.parent)
uowcommit.register_processor(self.mapper, False, self, self.parent, False)
return (obj2, obj1)
def process_dependencies(self, task, deplist, uowcommit, delete = False):
- #print self.mapper.table.name + " " + repr([str(v) for v in deplist.map.values()]) + " process_dep isdelete " + repr(delete)
+ #print self.mapper.table.name + " " + repr(len(deplist)) + " process_dep isdelete " + repr(delete)
# fucntion to set properties across a parent/child object plus an "association row",
# based on a join condition
# if we are privately managed, then all our objects should
# have been marked as "todelete" already and no attribute adjustment is needed
return
- updates = []
clearkeys = True
for obj in deplist:
- if not self.private:
- params = {}
- for bind in self.lazybinds.values():
- params[bind.key] = self.parent._getattrbycolumn(obj, self.parent.table.c[bind.shortname])
- updates.append(params)
childlist = getlist(obj, False)
for child in childlist.deleted_items() + childlist.unchanged_items():
self.primaryjoin.accept_visitor(setter)
uowcommit.register_object(child)
uowcommit.register_deleted_list(childlist)
- if len(updates):
- values = {}
- for bind in self.lazybinds.values():
- values[bind.shortname] = None
- statement = self.target.update(self.lazywhere, values = values)
- statement.execute(*updates)
else:
for obj in deplist:
if self.direction == PropertyLoader.RIGHT:
pass
class LazyLoader(PropertyLoader):
+ def init(self, key, parent):
+ PropertyLoader.init(self, key, parent)
+ (self.lazywhere, self.lazybinds) = create_lazy_clause(self.parent.table, self.primaryjoin, self.secondaryjoin, self.thiscol)
+
def execute(self, instance, row, identitykey, imap, isnew):
if isnew:
def lazyload():