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)
Example #2
0
    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