Thick: retored support for bequeath connections.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -11,7 +11,8 @@ For deprecations, see :ref:`Deprecations <deprecations>`.
 oracledb 1.0.1 (TBD)
 --------------------
 
-#)  Added support for multiple aliases in one entry in tnsnames.ora
+#)  Thick: restored support for bequeath connections.
+#)  Thin: added support for multiple aliases in one entry in tnsnames.ora
     (`issue 3 <https://github.com/oracle/python-oracledb/issues/3>`__).
 #)  Ensured the name of wrapped functions are the same as the function being
     wrapped in order to improve error messages that reference them.

src/oracledb/impl/base/connect_params.pyx

@@ -409,7 +409,8 @@ cdef class ConnectParamsImpl:
         will be a connect string built up from the components supplied when the
         object was built.
         """
-        return self.description_list.build_connect_string()
+        if self._default_address.host is not None:
+            return self.description_list.build_connect_string()
 
     def get_full_user(self):
         """