def __init__(self, primary_db, cursor_list):
BaseCursor.__init__(self)
self._cur_list = cursor_list
self._join = None
self._db = primary_db
#if context._trans is not None:
context._trans._cursors.append(self)
def __init__(self, primary_db, cursor_list):
BaseCursor.__init__(self)
self._cur_list = cursor_list
self._join = None
self._db = primary_db
#if context._trans is not None:
context._trans._cursors.append(self)
def __init__(self, primary_db, cursor_list, txn=None):
BaseCursor.__init__(self, None, txn)
self._cur_list = cursor_list
self._join = None
self._is_set = True
self._db = primary_db
self._is_natural = True
for cur in self._cur_list:
self._is_natural = (cur._value != None) and self._is_natural
self._is_set = cur._is_set and self._is_set
if self._is_set:
if self._is_natural:
self._join = self._db.join([c._cursor for c in self._cur_list])
def reverse(self):
BaseCursor.reverse(self)
if self._is_set:
if self._reversed:
self._get_flag = db.DB_PREV
if self._value:
# equality
self._cursor.get(db.DB_NEXT_NODUP)
self._cursor.get(db.DB_PREV)
else:
# range
if self._range[1] != None:
self._cursor.set_range(self._range[1])
self._cursor.get(db.DB_PREV)
else:
self._cursor.get(db.DB_LAST)
else:
self._get_flag = db.DB_NEXT
if self._value:
# equality
self._cursor.set(self._value)
else:
# range
self._cursor.set_range(self._range[0])
def __init__(self, db_, name):
BaseCursor.__init__(self)
self.db = db_
self.name = name
self._get_cursor()
self._get_flag = db.DB_NEXT
def reverse(self):
BaseCursor.reverse(self)
if self._reversed:
self._get_flag = db.DB_PREV
else:
self._get_flag = db.DB_NEXT
def __init__(self, db_, name):
BaseCursor.__init__(self)
self.db = db_
self.name = name
self._get_cursor()
self._get_flag = db.DB_NEXT
def reverse(self):
BaseCursor.reverse(self)
if self._reversed:
self._get_flag = db.DB_PREV
else:
self._get_flag = db.DB_NEXT
def set_range(self, v1, v2):
BaseCursor.set_range(self, v1, v2)
self._is_set = bool(self._cursor.set_range(self._range[0]))
def set(self, v):
BaseCursor.set(self, v)
self._is_set = bool(self._cursor.set(self._value))
def __init__(self, index, txn=None):
BaseCursor.__init__(self, index, txn)
self._cursor = self._index.db.cursor(txn, db.DB_READ_COMMITTED)
self._is_set = False
self._get_flag = db.DB_NEXT
