def __init__(self):
# Do not allow initialization of the abstract base class
assert self.__class__ is not Table, (
'Only subclasses of Table can be instantiated!')
# Record the definition order
self.__definition_serial__ = util.get_next_definition_serial()
# Clone columns, constraints and indexes
self._column_list = [column.clone(self) for column in self._column_list]
self._constraint_list = [constraint.clone(self) for constraint in self._constraint_list]
self._index_list = [index.clone(self) for index in self._index_list]
self._trigger_list = [trigger.clone(self) for trigger in self._trigger_list]
# Override the model definitions with the bound instances
for column in self._column_list:
setattr(self, column.name, column)
for constraint in self._constraint_list:
setattr(self, constraint.name, constraint)
for index in self._index_list:
setattr(self, index.name, index)
for trigger in self._trigger_list:
setattr(self, trigger.name, trigger)
# Reassign the primary key
if self._primary_key:
self._primary_key = getattr(self, self._primary_key.name)
def __init__(self):
assert self.__class__ is not BaseConstraint, (
'Only subclasses of BaseConstraint can be instantiated!')
# Record the definition order
self.__definition_serial__ = util.get_next_definition_serial()
def __init__(self, procedure_name, *procedure_parameters):
assert self.__class__ is not BaseTrigger, (
'Only subclasses of BaseTrigger can be instantiated!')
# Record the definition order
self.__definition_serial__ = util.get_next_definition_serial()
self.procedure_name = procedure_name
self.procedure_parameters = procedure_parameters
def __init__(self, *columns):
assert self.__class__ is not BaseIndex, (
'Only subclasses of BaseIndex can be instantiated!')
# Record the definition order
self.__definition_serial__ = util.get_next_definition_serial()
# Verify
assert columns, 'This index must be applied to at least one column!'
self.columns = columns
def __init__(self, doc=None):
assert self.__class__ is not BaseColumn, (
'Only subclasses of BaseColumn can be instantiated!')
# Record the definition order
self.__definition_serial__ = util.get_next_definition_serial()
# Store column documentation if any
if doc is not None:
self.doc = doc
def __init__(self, language, argument_list, result, body):
assert self.__class__ is not BaseProcedure, (
'Only subclasses of BaseProcedure can be instantiated!')
# Record the definition order
self.__definition_serial__ = util.get_next_definition_serial()
self.language = language
self.argument_list = argument_list
self.result = result
self.body = body
