def __init__(self, env, primary_db, name, unique=False):
BaseIndex.__init__(self, name, unique)
self.db = db.DB(env)
self.db.set_flags(db.DB_DUPSORT)
self.db.open(
'porcupine.idx',
name,
dbtype = db.DB_BTREE,
mode = self.db_mode,
flags = self.db_flags
)
primary_db.associate(self.db,
self.callback,
flags=db.DB_CREATE)
def __init__(self, env, primary_db, name, unique, immutable, db_flags):
BaseIndex.__init__(self, name, unique)
while True:
try:
self.db = db.DB(env)
self.db.set_pagesize(1024)
if not unique:
self.db.set_flags(db.DB_DUPSORT)
self.db.open('porcupine.idx',
name,
dbtype=db.DB_BTREE,
mode=0o660,
flags=db_flags)
flags = db.DB_CREATE
if immutable:
if hasattr(db, 'DB_IMMUTABLE_KEY'):
flags |= db.DB_IMMUTABLE_KEY
#else:
# flags |= 0x00000002
primary_db.associate(self.db,
self.callback,
flags=flags)
except db.DBLockDeadlockError:
self.db.close()
continue
except db.DBError as e:
if e.args[0] == _err_unsupported_index_type:
# remove index
self.close()
_db = db.DB(env)
_db.remove('porcupine.idx', dbname=name)
raise exceptions.ConfigurationError(
'Unsupported data type for index "%s".' % name)
else:
raise
break
