Fixed bug in determining the list of attributes for PL/SQL collections.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -28,6 +28,7 @@ Thin Mode Changes
 #)  Fixed bug when using DRCP with :ref:`asyncio <asyncio>`.
 #)  Fixed bug in identifying bind variables in SQL statements containing a
     single line comment at the end of the statement.
+#)  Fixed bug in determining the list of attributes for PL/SQL collections.
 
 Thick Mode Changes
 ++++++++++++++++++

src/oracledb/impl/thin/dbobject_cache.pyx

@@ -356,6 +356,8 @@ cdef class BaseThinDbObjectTypeCache:
                 attr_type_owner, attr_type_package, attr_type_oid, \
                 attr_instantiable, attr_super_type_owner, \
                 attr_super_type_name in attrs:
+            if attr_name is None:
+                continue
             attr_impl = ThinDbObjectAttrImpl.__new__(ThinDbObjectAttrImpl)
             attr_impl.name = attr_name
             if attr_type_owner is not None:

tests/test_2300_object_var.py

@@ -553,6 +553,8 @@ def test_2316(self):
         self.assertEqual(typ.element_type.schema, user.upper())
         self.assertEqual(typ.element_type.name, "UDT_SUBOBJECT")
         self.assertIsNone(typ.element_type.package_name)
+        self.assertEqual(typ.attributes, [])
+        self.assertTrue(typ.iscollection)
 
     def test_2317(self):
         "2317 - test the metadata of a PL/SQL type"
@@ -562,6 +564,8 @@ def test_2317(self):
         self.assertEqual(typ.name, "UDT_STRINGLIST")
         self.assertEqual(typ.package_name, "PKG_TESTSTRINGARRAYS")
         self.assertEqual(typ.element_type, oracledb.DB_TYPE_VARCHAR)
+        self.assertEqual(typ.attributes, [])
+        self.assertTrue(typ.iscollection)
 
     def test_2318(self):
         "2318 - test creating an object variable without a type name"