:man_page: bson_append_dbpointer

bson_append_dbpointer()
=======================

Synopsis
--------

.. code-block:: c

  bool
  bson_append_dbpointer (bson_t *bson,
                         const char *key,
                         int key_length,
                         const char *collection,
                         const bson_oid_t *oid);

Parameters
----------

* ``bson``: A :symbol:`bson_t`.
* ``key``: An ASCII C string containing the name of the field.
* ``key_length``: The length of ``key`` in bytes, or -1 to determine the length with ``strlen()``.
* ``collection``: The target collection name.
* ``oid``: The target document identifier.

Description
-----------

.. warning:

  The dbpointer field type is *DEPRECATED* and should only be used when interacting with legacy systems.

Returns
-------

true if the operation was applied successfully, otherwise false and ``bson`` should be discarded.