def rollback_to_savepoint(self, name):
"""Rollsback the store to a previous savepoint that was saved
using :meth:`.savepoint`
:param name: savepoint to move back to
"""
self._check_obsolete()
if not is_sql_identifier(name):
raise ValueError("Invalid savepoint name: %r" % name)
if not name in self._savepoints:
raise ValueError("Unknown savepoint: %r" % name)
self.execute('ROLLBACK TO SAVEPOINT %s' % name)
for savepoint in reversed(self._savepoints[:]):
# Objects may have changed in this transaction.
# Make sure to autorelad the original values after the rollback
for obj in self._modified_object_sets.pop():
self.autoreload(obj)
self._created_object_sets.pop()
self._deleted_object_sets.pop()
if self._savepoints.pop() == name:
break
def rollback_to_savepoint(self, name):
"""Rollsback the store to a previous savepoint that was saved
using :meth:`.savepoint`
:param name: savepoint to move back to
"""
self._check_obsolete()
if not is_sql_identifier(name):
raise ValueError("Invalid savepoint name: %r" % name)
if not name in self._savepoints:
raise ValueError("Unknown savepoint: %r" % name)
self.execute('ROLLBACK TO SAVEPOINT %s' % name)
for savepoint in reversed(self._savepoints[:]):
# Do the same thing that Store.rollback does
for obj_info, pending in self._dirties.pop():
if pending is PENDING_ADD:
del obj_info["store"]
elif pending is PENDING_REMOVE:
self._enable_lazy_resolving(obj_info)
self._savepoints.remove(savepoint)
if savepoint == name:
break
# Objects may have changed in this transaction.
# Make sure to autorelad the original values after the rollback
for obj_info in self._cache.get_cached():
self.autoreload(obj_info.get_obj())
def rollback_to_savepoint(self, name):
"""Rollsback the store to a previous savepoint that was saved
using :meth:`.savepoint`
:param name: savepoint to move back to
"""
self._check_obsolete()
if not is_sql_identifier(name):
raise ValueError("Invalid savepoint name: %r" % name)
if not name in self._savepoints:
raise ValueError("Unknown savepoint: %r" % name)
self.execute("ROLLBACK TO SAVEPOINT %s" % name)
for savepoint in reversed(self._savepoints[:]):
# Objects may have changed in this transaction.
# Make sure to autorelad the original values after the rollback
for obj in self._modified_object_sets.pop():
self.autoreload(obj)
self._created_object_sets.pop()
self._deleted_object_sets.pop()
if self._savepoints.pop() == name:
break
def rollback_to_savepoint(self, name):
"""Rollsback the store to a previous savepoint that was saved
using :meth:`.savepoint`
:param name: savepoint to move back to
"""
self._check_obsolete()
if not is_sql_identifier(name):
raise ValueError("Invalid savepoint name: %r" % name)
if not name in self._savepoints:
raise ValueError("Unknown savepoint: %r" % name)
self.execute('ROLLBACK TO SAVEPOINT %s' % name)
for savepoint in reversed(self._savepoints[:]):
# Do the same thing that Store.rollback does
for obj_info, pending in self._dirties.pop():
if pending is PENDING_ADD:
del obj_info["store"]
elif pending is PENDING_REMOVE:
self._enable_lazy_resolving(obj_info)
self._savepoints.remove(savepoint)
if savepoint == name:
break
# Objects may have changed in this transaction.
# Make sure to autorelad the original values after the rollback
for obj_info in self._cache.get_cached():
self.autoreload(obj_info.get_obj())
def savepoint(self, name):
"""Creates a database savepoint.
This can be rolled back to using :meth:`.rollback_to_savepoint`.
:param name: name of the savepoint
"""
self._check_obsolete()
if not is_sql_identifier(name):
raise ValueError("Invalid savepoint name: %r" % name)
self.execute('SAVEPOINT %s' % name)
self._savepoints.append(name)
self._dirties.append([])
def savepoint(self, name):
"""Creates a database savepoint.
This can be rolled back to using :meth:`.rollback_to_savepoint`.
:param name: name of the savepoint
"""
self._check_obsolete()
if not is_sql_identifier(name):
raise ValueError("Invalid savepoint name: %r" % name)
self.execute('SAVEPOINT %s' % name)
self._savepoints.append(name)
self._pending_count.append(0)
def rollback_to_savepoint(self, name):
"""Rollsback the store to a previous savepoint that was saved
using :meth:`.savepoint`
:param name: savepoint to move back to
"""
self._check_obsolete()
if not is_sql_identifier(name):
raise ValueError("Invalid savepoint name: %r" % name)
if not name in self._savepoints:
raise ValueError("Unknown savepoint: %r" % name)
self.execute('ROLLBACK TO SAVEPOINT %s' % name)
for savepoint in reversed(self._savepoints[:]):
self._savepoints.remove(savepoint)
self._pending_count.pop()
if savepoint == name:
break
# Objects may have changed in this transaction.
# Make sure to autorelad the original values after the rollback
for obj_info in self._cache.get_cached():
self.autoreload(obj_info.get_obj())
