def delete_item(self, item):
try:
self._itemdb.delete(
pack_value(item._pid) + b'_' + pack_value(item._id),
context._trans.txn)
except (db.DBLockDeadlockError, db.DBLockNotGrantedError):
context._trans.abort()
raise exceptions.DBRetryTransaction
def delete_item(self, item):
try:
self._itemdb.delete(
pack_value(item._pid) + b'_' + pack_value(item._id),
context._trans.txn)
except (db.DBLockDeadlockError, db.DBLockNotGrantedError):
context._trans.abort()
raise exceptions.DBRetryTransaction
def get_child_by_name(self, container_id, name):
try:
return self._indices['displayName'].db.get(
pack_value(container_id) + b'_' + pack_value(name),
txn=context._trans and context._trans.txn)
except (db.DBLockDeadlockError, db.DBLockNotGrantedError):
if context._trans is not None:
context._trans.abort()
raise exceptions.DBRetryTransaction
def get_child_by_name(self, container_id, name):
try:
return self._indices['displayName'].db.get(
pack_value(container_id) + b'_' + pack_value(name),
txn=context._trans and context._trans.txn)
except (db.DBLockDeadlockError, db.DBLockNotGrantedError):
if context._trans is not None:
context._trans.abort()
raise exceptions.DBRetryTransaction
def put_item(self, item):
try:
self._itemdb.put(
pack_value(item._pid) + b'_' + pack_value(item._id),
persist.dumps(item), context._trans.txn)
except (db.DBLockDeadlockError, db.DBLockNotGrantedError):
context._trans.abort()
raise exceptions.DBRetryTransaction
except db.DBError as e:
if e.args[0] == _err_unsupported_index_type:
raise db.DBError('Unsupported indexed data type')
else:
raise
def put_item(self, item):
try:
self._itemdb.put(
pack_value(item._pid) + b'_' + pack_value(item._id),
persist.dumps(item),
context._trans.txn)
except (db.DBLockDeadlockError, db.DBLockNotGrantedError):
context._trans.abort()
raise exceptions.DBRetryTransaction
except db.DBError as e:
if e.args[0] == _err_unsupported_index_type:
raise db.DBError('Unsupported indexed data type')
else:
raise
def set_lower_bound(self, lower_bound):
if lower_bound is not None:
value, inclusive = lower_bound
self._lower_value = pack_value(value)
self._lower_inclusive = inclusive
else:
self._lower_value = None
self._lower_inclusive = False
def set_upper_bound(self, upper_bound):
if upper_bound is not None:
value, inclusive = upper_bound
self._upper_value = pack_value(value)
self._upper_inclusive = inclusive
else:
self._upper_value = None
self._upper_inclusive = False
def set_lower_bound(self, lower_bound):
if lower_bound is not None:
value, inclusive = lower_bound
self._lower_value = pack_value(value)
self._lower_inclusive = inclusive
else:
self._lower_value = None
self._lower_inclusive = False
def set_upper_bound(self, upper_bound):
if upper_bound is not None:
value, inclusive = upper_bound
self._upper_value = pack_value(value)
self._upper_inclusive = inclusive
else:
self._upper_value = None
self._upper_inclusive = False
def callback(key, value):
item = _cache.get(value, persist.loads(value))
index_value = None
if item._isDeleted and not self.name == "_id":
# do not index attributes of deleted objects
return None
if self.name == "_id" or (hasattr(item, self.name) and hasattr(item, "_owner")):
# if item is composite index only the _id attribute
# otherwise allow indexing of all
attr = getattr(item, self.name)
if attr.__class__.__module__ != None.__class__.__module__:
attr = attr.value
if self.name == "_id":
index_value = pack_value(attr)
else:
index_value = pack_value(item._pid) + b"_" + pack_value(attr)
_cache[value] = item
return index_value
def callback(key, value):
item = _cache.get(value, persist.loads(value))
index_value = None
if item._isDeleted and not self.name == '_id':
# do not index attributes of deleted objects
return None
if self.name == '_id' or \
(hasattr(item, self.name) and hasattr(item, '_owner')):
# if item is composite index only the _id attribute
# otherwise allow indexing of all
attr = getattr(item, self.name)
if attr.__class__.__module__ != None.__class__.__module__:
attr = attr.value
if self.name == '_id':
index_value = pack_value(attr)
else:
index_value = (pack_value(item._pid) + b'_' +
pack_value(attr))
_cache[value] = item
return index_value
def _eval(self, item):
if hasattr(item, self.name):
attr = getattr(item, self.name)
if attr.__class__.__module__ != None.__class__.__module__:
attr = attr.value
packed = pack_value(attr)
if self._value is not None:
return self._value == packed
else:
return packed in self._range
return False
def _eval(self, item):
if hasattr(item, self.name):
attr = getattr(item, self.name)
if attr.__class__.__module__ != None.__class__.__module__:
attr = attr.value
packed = pack_value(attr)
if self._value is not None:
return self._value == packed
else:
return packed in self._range
return False
def set(self, v):
val = pack_value(v)
self._value = val
self._range = None
def set(self, v):
val = pack_value(v)
self._value = val
self._range = None
